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EDITORIAL |
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Retinal vasoproliferative tumor - A proposal for classification |
p. 185 |
Santosh G Honavar DOI:10.4103/ijo.IJO_128_18 PMID:29380753 |
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GUEST EDITORIAL |
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Diabetic retinopathy screening: Telemedicine, the way to go! |
p. 187 |
Salil Sharad Gadkari DOI:10.4103/ijo.IJO_1155_17 PMID:29380754 |
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ONE MINUTE OPHTHALMOLOGY |
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Traumatic retrobulbar hemorrhage? |
p. 189 |
Fairooz P Manjandavida, Smitha K Shambhu, Carol L Shields DOI:10.4103/ijo.IJO_1311_17 PMID:29380755 |
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REVIEW ARTICLE FOR RESIDENTS |
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Anatomy of cornea and ocular surface  |
p. 190 |
Mittanamalli S Sridhar DOI:10.4103/ijo.IJO_646_17 PMID:29380756
Important functions of cornea in the eye include protecting the structures inside the eye, contributing to the refractive power of the eye, and focusing light rays on the retina with minimum scatter and optical degradation. Considerable advances have taken place in understanding the organization of collagen in the corneal stroma and its clinical significance. In this review, the structure and function of various components of cornea and ocular surface are presented.
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Cornea and anterior eye assessment with slit lamp biomicroscopy, specular microscopy, confocal microscopy, and ultrasound biomicroscopy  |
p. 195 |
Raul Martin DOI:10.4103/ijo.IJO_649_17 PMID:29380757
Current corneal assessment technologies make the process of corneal evaluation extremely fast and simple, and several devices and technologies show signs that help in identification of different diseases thereby, helping in diagnosis, management, and follow-up of patients. The purpose of this review is to present and update readers on the evaluation of cornea and ocular surface. This first part reviews a description of slit lamp biomicroscopy (SLB), endothelial specular microscopy, confocal microscopy, and ultrasound biomicroscopy examination techniques and the second part describes the corneal topography and tomography, providing up-to-date information on the clinical recommendations of these techniques in eye care practice. Although the SLB is a traditional technique, it is of paramount importance in clinical diagnosis and compulsory when an eye test is conducted in primary or specialist eye care practice. Different techniques allow the early diagnosis of many diseases, especially when clinical signs have not yet become apparent and visible with SLB. These techniques also allow for patient follow-up in several clinical conditions or diseases, facilitating clinical decisions and improving knowledge regarding the corneal anatomy.
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Clinical signs in cornea and ocular surface  |
p. 202 |
C Banu Cosar, Mittanamalli S Sridhar DOI:10.4103/ijo.IJO_716_17 PMID:29380758
A careful examination of cornea and ocular surface eliciting the basic signs will help a clinician toward an accurate diagnosis. Flipping the upper lid or pulling the lower lid to look at the inferior fornix may help to pick up any subtle clinical sign. Meticulous documentation by diffuse and slit view will help in following up the disease. Eyelids and ocular surface are evaluated externally and by slit lamp. Slit-lamp examination with the use of the stains such as fluorescein, rose bengal, or lissamine green provides extensive knowledge about the ocular surface. Tests of tear production are also detailed herein. This review is intended to help the eye practitioners in eliciting common clinical signs seen in cornea and ocular surface diseases.
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ORIGINAL ARTICLES |
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Prevalence and risk factors of dry eye disease in North India: Ocular surface disease index-based cross-sectional hospital study  |
p. 207 |
Jeewan Singh Titiyal, Ruchita Clara Falera, Manpreet Kaur, Vijay Sharma, Namrata Sharma DOI:10.4103/ijo.IJO_698_17 PMID:29380759
Purpose: This study aims to study the prevalence of DED and analyze risk factors in North Indian population. Methods: This was a cross-section hospital-based, observational study. Cases enrolled over 2 years (systematic random sampling) were administered ocular surface disease index questionnaire to evaluate the prevalence and risk factors of DED. Schirmer's test and tear break-up time were performed only in the subset of patients giving consent. Categorical data were assessed with Chi-square/Fisher's Exact test, and odds ratio was analyzed using bivariate and multivariate logistic regression. P < 0.05 was statistically significant. Results: A total of 15,625 patients were screened. The prevalence of DED was 32% (5000/15625); 9.9% (496/5000) had mild DED; 61.2% (3060/5000) had moderate DED; and 28.9% (1444/5000) had severe DED. Age group of 21–40 years, male sex, urban region, and desk job were associated with increased risk of DED. Hours of visual display terminal (VDT) usage significantly correlated with DED (P < 0.001), and 89.98% of patients with 4 h or more of VDT use had severe dry eye. Cigarette smoking and contact lens usage had increased odds of developing severe DED (P < 0.001). Objective tests were undertaken in 552 patients; of these, 81.3% (449/552) had severe DED. Conclusions: The prevalence of DED in North India is 32%, with the age group of 21–40 years affected most commonly. VDT use, smoking, and contact lens use were associated with increased odds of developing DED.
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Interface healing and its correlation with visual recovery and quality of vision following small incision lenticule extraction |
p. 212 |
Sri Ganesh, Sheetal Brar, Rahul Pandey, Archana Pawar DOI:10.4103/ijo.IJO_775_17 PMID:29380760
Purpose: To study the time course of interface healing and its correlation with visual acuity, modulation transfer function (MTF), and aberrations after myopic small-incision lenticule extraction (SMILE) correction. Methods: Seventy-eight eyes of 78 patients (1 eye per patient) with a mean age of 25.7 years and mean spherical equivalent (SE) of −3.74D, undergoing bilateral SMILE procedure, were included in this study. On postoperative day 1, 2 weeks, and 3 months, dilated retroillumination photographs were taken and morphology of corneal interface was graded by comparing them with 5 standard templates representing 5 grades of interface roughness (IRG): IRG – 0 (clear), IRG – 1 (mild), IRG – 2 (moderate), IRG – 3 (severe), and IRG – 4 (severe IRG with Bowman's folds in visual axis). Pearson's correlations were computed to study correlation associations, and Wilcoxon signed-rank test was used for intragroup comparison of means. P ≤ 0.05 was considered statistically significant. Results: At 3 months, 90.70% eyes were Grade 0 while 9.30% eyes still had Grade 2 interface granularity. Mean IRG significantly improved from 2.47 ± 0.57 at day 1 to 0.62 ± 0.53 at 3 months (P = 0.00). At day 1, pre-SE showed a significant positive correlation with IRG; however, mean postoperative corrected distant visual acuity (CDVA, in decimal), corneal Strehl ratio (SR), and MTF showed weak but significant negative correlation with IRG (r2 = 0.28 for SE, −0.052 for CDVA, −0.017 for SR, and −0.39 for MTF, respectively, P < 0.05 for all correlations). At 2 weeks and 3 months, corneal MTF continued to show a significant negative correlation, whereas other parameters did not show any correlation with IRG. Conclusion: Visual quality and corneal MTF may be significantly affected by the IRG in the immediate postoperative period after SMILE and may take 3 months or more for complete recovery.
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Effect of transfer of donor corneal tissue from McCarey–Kaufmann medium to Optisol-GS on corneal endothelium |
p. 219 |
Neha Kapur, Sridevi Gunda, Surender Dixit, Lokesh Chauhan, Manisha Acharya, Umang Mathur DOI:10.4103/ijo.IJO_677_17 PMID:29380761
Purpose: The purpose of this study is to evaluate the effect of transfer of donor corneal tissue from McCarey–Kaufmann (MK) medium to Optisol-GS on corneal endothelium. Methods: This was a prospective, randomized comparative study. Twenty paired human donor corneal tissues of optical quality were retrieved. One tissue of the pair was preserved in Optisol-GS preservative medium (Group A) and other tissue of the pair in MK medium (Group B) at the time of corneoscleral disc excision. Within 12 h of retrieval, each cornea was evaluated using slit-lamp biomicroscopic examination and specular microscopic analysis. Group B corneas were transferred to Optisol-GS medium within 48–53 h of retrieval. Specular analysis of the paired corneas was repeated 3 h after transferring to Optisol-GS. On day 7 of storage, specular analysis of both the tissues was repeated. Results: The average age of the donor at the time of death was 29 years (16–68 years). The reduction in endothelial cell count, from baseline, in Groups A and B was 5.5% and 5.8% (P = 0.938) on the 3rd day and 8.2% and 12.6% (P = 0.025) on the 7th day, respectively, postretrieval. The coefficient of variation (CV) increased by 36% (P = 0.021) and hexagonality reduced by 19% (P = 0.007) on day 7. All tissues retained an endothelial cell density higher than the accepted critical level for penetrating keratoplasty. Conclusion: Significant endothelial cell loss was noted while transferring tissues from one medium to another, necessitating the need for reevaluation of transferred tissues before utilization.
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COMMENTARY |
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Effect of transfer of donor corneal tissue from McCarey–Kaufman medium to Optisol on corneal endothelium |
p. 223 |
Prashant Garg DOI:10.4103/ijo.IJO_1135_17 PMID:29380762 |
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ORIGINAL ARTICLES |
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Application of polycaprolactone nanofibers as patch graft in ophthalmology |
p. 225 |
Hassan Hashemi, Soheila Asgari, Saied Shahhoseini, Mirgholamreza Mahbod, Fatemeh Atyabi, Haleh Bakhshandeh, Amir Houshang Beheshtnejad DOI:10.4103/ijo.IJO_647_17 PMID:29380763
Purpose: The purpose of the study was to evaluate tissue reaction to polycaprolactone (PCL) nanofiber patches in the cornea, conjunctiva, and anterior chamber (AC) in rabbit eyes and to assess their biocompatibility for use as patch grafts. Methods: Two 100 μ PCL patches were implanted under the conjunctiva and in the corneal stroma of one albino New Zealand rabbit, and pathologic evaluation was done after 3 weeks. In the next step, two PCL patches were implanted; one in the corneal stroma and the other in the AC of two rabbits followed by pathologic evaluation after 3 months. Results: On slit-lamp examination, there was minimum inflammation in all cases. Pathologic examination showed that the contact and probably merging between the host tissue and PCL fibers were achieved with minimal tissue reaction. Conclusion: As a biocompatible material, PCL nanofibers seem to be a promising modality for the repair of different tissue defects including melting, thinning, and perforation. They may also be a suitable material for manufacturing keratoprostheses.
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Identification of a novel frameshift mutation in PAX6 gene and the clinical management in an Asian Indian aniridia family |
p. 229 |
Isham Palayil, SG Priya, N V Sarath Sivan, Nivean Madhivanan, Panneer Selvam Venkatachalam, Madhavan Jagadeesan DOI:10.4103/ijo.IJO_311_17 PMID:29380764
Purpose: This study aimed to characterize an Asian Indian aniridia family for both the phenotype and genotype of the disease for a better clinical management. Methods: The phenotype and genotype of the affected and unaffected individuals in the aniridia family were evaluated. The subjects underwent a standard ophthalmic evaluation followed by molecular screening of PAX6 gene in the peripheral blood for mutation detection. Results: The three affected individuals had aniridia with several common features and an uncommon presentation of bilateral congenital ptosis. Two affected siblings, a brother and a sister, had aniridia, nystagmus, ptosis, increase in central corneal thickness, cataract, and foveal hypoplasia. The sister had features of glaucoma. The offspring of the sister had all the features except cataract and rise in intraocular pressure. Mutation screening of PAX6 gene helped in identifying a novel heterozygous pathogenic variation g. 31801757dupG (c. 216-19dupG) that resulted in a frameshift mutation that extended into exon 7. Based on the evaluation and diagnostic testing, the family was clinically managed along with genetic counselling. Conclusion: Molecular diagnostic testing helps in genetic counseling of the family with aniridia to understand the nature of the disease and detection of complications early for better management.
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Analysis of yield of retinal imaging in a rural diabetes eye care model |
p. 233 |
Padmaja Kumari Rani, Yashaswee Bhattarai, Sethu Sheeladevi, K ShivaVaishnavi, Md Hasnat Ali, J Ganesh Babu DOI:10.4103/ijo.IJO_500_17 PMID:29380765
Purpose: The aim of this study is to analyze the yield of retinal images obtained in a rural diabetes eye care model. Methods: An analysis of a sample of nonmydriatic fundus photography (NMFP) of posterior segment ophthalmic images, obtained by an indigenous equipment (3 nethra-Forus Royal), was done in a district-wide rural diabetic retinopathy (DR) screening program; a trained optometrist did the initial image grading. DR and diabetic macular edema (DME) were classified based on international DR and DME severity scale. The agreement between the optometrist and retina specialist was very good (κ = 0.932; standard error = 0.030; 95% confidence interval = 0.874–0.991). Results: Posterior segment images of 2000 eyes of 1000 people with diabetes mellitus (DM) were graded. The mean age of the participants was 55.7 ± 11.5 standard deviation years. Nearly 42% of the screened participants (n = 420/1000) needed referral. The most common referable posterior segment abnormality was DR (8.2%). The proportion of people with any form of DR was seen in 110/1225 eyes, and sight-threatening DR was seen in 35/1225 eyes. About 62% of posterior segment images were gradable. The reasons for ungradable posterior segment images (34%) were small pupil, unfocused/partially available field of images, and cataract. Conclusion: A NMFP model was able to detect referable posterior segment abnormalities in a rural diabetes eye care program. Reasons found for ungradability of images in the present study can be addressed while designing future DR screening programs in the rural areas.
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Transcleral approach for closing retinal tears using DuraSeal™ hydrogel sealant |
p. 238 |
Tilda Barliya, Shai Sandalon, Ron Ofri, Tami Livnat, Dov Weinberger DOI:10.4103/ijo.IJO_758_17 PMID:29380766
Purpose: The aim of this study was to evaluate an innovative approach for closing retinal tears using DuraSeal™ (DS) hydrogel sealant in a rabbit model. Methods: Retinal detachment with a small tear was performed on 20 New Zealand rabbits. Thereafter, rabbits were divided into two groups; the experimental group received a transscleral injection of 0.1 ml DS into the subretinal space whereas the control group received sham injection of saline. Eyes were clinically evaluated using indirect ophthalmoscopy, retinal function was recorded in ten rabbits by electroretinography and the sealant's toxicity was evaluated histopathologically. Results: We found that the DS hydrogel was easily injected transsclerally into the subretinal space of the detached retinas with no major complications. Retinal reattachment was seen in both groups within 2 weeks with no toxicity to the sensory retina. There were no significant differences in retinal function between groups. Conclusion: Subretinal injection of hydrogel through a transscleral route is easy to perform and may open a new avenue in the treatment of retinal detachment. However, the efficacy of the DS as a tamponade for sealing retinal tear is yet to be definite. Long-term clinical, functional, and toxicological studies are needed to evaluate its full potential for clinical applications.
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COMMENTARY |
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Diathermy to tissue adhesives for retinal tears: The future of retinal reattachment surgery |
p. 244 |
Ekta Rishi, Niharika Singh DOI:10.4103/ijo.IJO_1198_17 PMID:29380767 |
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ORIGINAL ARTICLES |
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Clinical features and treatment outcomes of vasoproliferative tumors in Indian participants |
p. 246 |
Jaydeep Avinash Walinjkar, Unnati Shivshankar Sharma, Pukhraj Rishi, Ekta Rishi, Lingam Gopal, Tarun Sharma DOI:10.4103/ijo.IJO_210_17 PMID:29380768
Purpose: The aim of the study was to describe the clinical features and treatment outcomes of vasoproliferative tumors (VPT) in Indian participants. Methods: This study design was a retrospective case series in a tertiary eye care center. Case records of patients diagnosed with VPT from 2011 to 2015 were reviewed, and their demographic details, clinical presentation, and treatment outcomes were documented. Baseline and follow-up visual acuity and tumor dimensions were statistically compared by applying paired t-test. Statistical analysis used SPSS version 14. Results: Twenty-two tumors from 19 eyes of 17 patients were included. Mean age at presentation was 43.5 years (range: 15–68 years). Mean presenting best-corrected visual acuity (BCVA) was + 1.10 logMAR. Sixty-eight percent eyes had secondary tumors. Most common association of secondary VPT was Coats disease followed by retinal vasculitis, polypoidal choroidal vasculopathy, familial exudative vitreoretinopathy, and traumatic chorioretinopathy. Ten tumors (45%) involved the inferior quadrant. Tumor-associated features were intra/subretinal exudates, vitritis, subretinal fluid, vitreous hemorrhage, preretinal fibrosis, epiretinal membrane, and subretinal blood. Treatment included cryotherapy, intravitreal or oral steroids, laser photocoagulation, cryotherapy with encirclage, cryotherapy with anti-vascular endothelial growth factor, and observation. Complications included tumor recurrence, retinal detachment, raised intraocular pressure, neovascularization of iris, and cataract. Ninety-five percent VPT regressed at mean 21 months (Median: 17 months; Range: 3–64 months). Mean final BCVA was + 1.21 logMAR. Conclusion: VPTs are commonly unilateral, unifocal, and located anterior to equator in inferior fundus. Secondary tumors are more common than primary tumors. Treatment achieves tumor regression in majority of cases.
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A study on the contamination of injection bevacizumab on storage of multidose vials |
p. 252 |
Ketan Saoji, Hemant Trehan, Raja Narayanan, Lalit Verma DOI:10.4103/ijo.IJO_969_16 PMID:29380769
Purpose: The aim of this study is to establish the safety of storage and reuse of bevacizumab vials for 1 week with multiple vial punctures. Methods: This was an experimental microbiological study conducted at tertiary care hospital. The study samples included bevacizumab vials that had been used for injecting patients by the pooling method. Vials were stored and sampled in a manner that replicated their proposed clinical use. Contamination of vials was evaluated on the basis of microbial culture and validated by positive and negative controls. The probability of obtaining such results purely by chance was calculated. Results: A total of 210 samples from 30 vials were evaluated along with 210 positive and 210 negative controls. No growth was seen in any of the bevacizumab samples. The probability of obtaining 210 consecutive sterile samples just by chance is <5.547 × 10−6 (0.000005547). Conclusion: The vials showed no contamination on storage for 7 days in an ordinary refrigerator. Thus, we conclude that the rate of contamination of bevacizumab vials on storage for 7 days in a refrigerator is likely to be insignificant. The results need to be validated by other studies replicating this protocol.
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A 3-year prospective study on ocular injuries with tennis or cricket ball while playing cricket: A case series |
p. 256 |
Santosh Kumar Mahapatra, Kundan Malhotra, Rohit Ganapatrao Mendke DOI:10.4103/ijo.IJO_458_17 PMID:29380770
Purpose: The purpose of this study is to study the clinical features, visual outcome, management, and ocular complications of ocular injury, following trauma with tennis or cricket ball. Methods: A prospective, noncomparative case study of patients having injury with tennis/cricket ball while playing cricket was conducted between January 2013 and April 2016. Seventy-six eyes of 76 patients were studied. Presenting vision, age, gender, time since injury, general and ocular examination, intraocular pressure, indirect ophthalmoscopy, B scan, and X-ray/computed tomography scan findings were noted. Patients were managed medically or surgically as per the need and followed up at least for 6 months. Results: Seventy-six eyes of 76 patients were studied. All cases were male, except two. Majority (80.2%) were <25 years. Median presenting visual acuity (VA) was 6/36 and median final VA was 6/18. Significant findings in the decreasing order of frequency were sphincter tear (26.3%), retinal detachment (23.6%), angle recession (18.4%), choroidal rupture (17.1%), and Berlin's edema (15.7%). Most of the cases (69.7%) were managed medically. Only 30.2% cases needed surgical intervention. Final visual outcome in our study was depended on initial VA (P = 0.000). It was also correlating with presenting clinical feature (P = 0.010) and type of intervention (medical/surgical) (P = 0.001). Conclusion: Cricket-related ocular injury generally has a poor prognosis with most cases being closed globe injury; retinal detachment is the most common vision-threatening presentation. In spite of being a common event, cricket-related injury is sparingly documented and hence needs further studies for proper documentation, prognostication, and formulation of definitive management plan.
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Ocular manifestations of isolated corneal bee sting injury, management strategies, and clinical outcomes |
p. 262 |
Hemalatha Gudiseva, Madhu Uddaraju, Sayali Pradhan, Manoranjan Das, Jeena Mascarenhas, M Srinivasan, N Venkatesh Prajna DOI:10.4103/ijo.IJO_600_17 PMID:29380771
Purpose: The purpose of this study is to describe the presenting features, management strategies, and clinical outcome following bee sting injury to the cornea. Methods: Retrospective case series involving 11 eyes of 11 patients with corneal bee sting injuries who presented over a period of 2 years. Nine of these 11 eyes had the presence of intact bee stinger in the cornea, which was removed immediately under an operating microscope and sent for microbiological and histopathological evaluation. The patients were managed as per the individual treatment protocol of the respective treating physicians. Results: Six eyes (54.5%) had a good clinical outcome (best-corrected visual acuity [BCVA] >20/40) with medical therapy alone with no need for surgical intervention. Five eyes (45.5%) had a poor clinical outcome (BCVA <20/40) with medical therapy and required surgery; of which three required a combined penetrating keratoplasty with cataract surgery, while one required isolated cataract surgery and one underwent penetrating keratoplasty. Glaucoma was present in 3/5 eyes undergoing surgery, one of which required a trabeculectomy. Five of the six eyes who had a good clinical outcome with medical therapy alone had been treated with concomitant oral steroids, along with topical antibiotic-steroid combination therapy. Conclusion: Oral corticosteroid supplementation to the topical steroid antibiotic treatment in patients with corneal bee sting injury where corneal involvement and anterior reaction is severe at presentation or inflammation not ameliorating with topical steroids alone prevents serious vision-threatening complications such as corneal decompensation, cataract, and glaucoma.
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Assessing the outcomes of mini-Monoka stent dilatation for primary punctal stenosis using the lacrimal symptom questionnaire |
p. 269 |
Shweta Gupta, Mohammad Javed Ali, Mohammad Hasnat Ali, Milind N Naik DOI:10.4103/ijo.IJO_799_17 PMID:29380772
Purpose: The objective of this study was to assess the quality of outcomes of mini-Monoka stent dilatation for punctal stenosis using the lacrimal symptom (Lac-Q) questionnaire. Methods: Prospective interventional case series of 45 eyes of 25 consecutive patients who underwent mini-Monoka stent dilatation for primary punctal stenosis were included in the study. The stents were extubated at 4 weeks. The Lac-Q questionnaire was administered preoperatively and at 12 weeks and 24 weeks following the intervention. Outcomes assessed were anatomical success, functional success, and changes in the questionnaire scores including total, social impact, and lacrimal symptom scores. Statistical analysis was performed using the Wilcoxon signed-rank test, and the probability of obtaining a certain score was calculated using the multinomial log-linear model. P < 0.05 was considered as significant. Results: Monoka stents were performed for 45 eyes. A total of 75 questionnaire responses were analyzed. At the last follow-up of 24 weeks, the anatomical and functional success rates were 93.3% (42/45). The changes in the mean total score (7.68 preoperatively to 0.82 at 24-week follow-up) were statistically significant (P ≤ 0.001). The mean social impact scores showed significant improvement postoperatively from 4.06 to 0.53 (P ≤ 0.001). The mean lacrimal symptom score changed from a preoperative value of 3.62 to 0.28 (P ≤ 0.001) at the last follow-up. Postoperative scoring correlated well with the anatomical and functional success rates. The symptom scores corroborated with changes in the clinical outcomes. Conclusion: Mini-Monoka stent dilatation is a very effective intervention for the management of primary punctal stenosis, and Lac-Q questionnaire is a simple and useful tool to evaluate the quality of outcomes in such cases.
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The Mini-Monoka punctocanaliculoplasty |
p. 272 |
Md. Shahid Alam DOI:10.4103/ijo.IJO_1191_17 PMID:29380773 |
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ORIGINAL ARTICLE |
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Upper eyelid levator-recession and anterior lamella repositioning through the grey-line: Avoiding a skin-crease incision |
p. 273 |
Nidhi Pandey, Anuradha Jayaprakasam, Ilan Feldman, Raman Malhotra DOI:10.4103/ijo.IJO_774_17 PMID:29380774
Purpose: This study aims to report a case series of upper eyelid cicatricial margin entropion with retraction, corrected through a grey-line approach only. We remind readers of the grey-line approach to levator recession (LR) and lamellar repositioning surgery. Methods: A retrospective review of clinic notes and photographs of patients who underwent grey-line split (GLS), LR, release of orbital septum, recession of levator, advancement of posterior lamella and anterior lamellar repositioning without a skin crease incision, from December 2015 to December 2016. Indications for surgery included mild-to-moderate cicatricial margin upper eyelid entropion, tarsal curling, and meibomian gland inversion. Patients requiring spacer interposition to lengthen the posterior lamella were excluded from the study. Parameters of the study included lid margin position, lid height, ocular surface health and symptom improvement. Results: Eleven eyelids of eight patients were included in the study, and underwent the procedure described. Lid margin position measured as the marginal reflex distance lowered (improved) in 72.7% of patients. Lid margin eversion was achieved in all eyes (100%). Corneal punctate epithelial erosions markedly improved, being present in 72.7% of patients preoperatively, and only 9.1% of patients postoperatively. Eight of eleven eyes showed symptomatic improvement, with six (54.5%) being completely asymptomatic and two achieving partial relief. An added observation was a pretarsal show asymmetry in some patients which improved in 36.4% of surgeries postoperatively. Conclusion: Upper eyelid LR with GLS and anterior lamella repositioning can all be performed through the plane of the split, avoiding a skin incision. Normal lid margin apposition was achieved in all eyes with 91% demonstrating a clear cornea and 72% having symptomatic improvement.
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COMMENTARY |
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Correction of upper eyelid entropion: Modified techniques are most welcome |
p. 278 |
Lakshmi Mahesh DOI:10.4103/ijo.IJO_58_18 PMID:29380775 |
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ORIGINAL ARTICLES |
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A pilot study regarding basic knowledge of “cortical visual impairment in children” among ophthalmologists |
p. 279 |
Amit Maitreya, Darshika Rawat, Shubham Pandey DOI:10.4103/ijo.IJO_425_17 PMID:29380776
Purpose: A pilot study was done to evaluate knowledge regarding “cortical visual impairment (CVI) in children” among ophthalmologists. Methods: This study was conducted during the annual conference of a zonal ophthalmological society. All ophthalmologists who attended the conference were requested to participate in this study. Those who agreed were given a validated questionnaire to assess knowledge regarding CVI. Cronbach's alpha of the questionnaire was 0.6. Participants were asked to respond to multiple choice questions by choosing the single best option. The responses obtained were then evaluated. Results: The total number of registered delegates in the conference was 448. A total of 103 ophthalmologists showed interest to participate in the study with a response rate of 22.9%. Only 89/103 interested delegates were included in the study as remaining were unaware of CVI. No participant gave correct answers to all questions. Although more than 80% of them knew the most common association (87%) and site of pathology (84%), only 52% were sure about clinical features and even lesser respondents (39%) knew that magnetic resonance imaging is the correct investigation of choice. The majority responded correctly that these children need eye examination (89%) and can be managed by rehabilitation through multidisciplinary approach (82%), but only 58% could recognize differential diagnoses and had a correct idea regarding the prognosis of CVI. There was no correlation between the number of patients diagnosed per month by the respondent with knowledge of the disease. Conclusion: In this pilot study, ophthalmologists were found to have limited knowledge regarding clinical features, investigation, differential diagnosis, and visual prognosis of CVI in children. There is a need to improve awareness regarding CVI among ophthalmologists.
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Are children with low vision adapted to the visual environment in classrooms of mainstream schools? |
p. 285 |
Kalpa Negiloni, Krishna Kumar Ramani, R Jeevitha, Jayashree Kalva, Rachapalle Reddi Sudhir DOI:10.4103/ijo.IJO_772_17 PMID:29380777
Purpose: The study aimed to evaluate the classroom environment of children with low vision and provide recommendations to reduce visual stress, with focus on mainstream schooling. Methods: The medical records of 110 children (5–17 years) seen in low vision clinic during 1 year period (2015) at a tertiary care center in south India were extracted. The visual function levels of children were compared to the details of their classroom environment. The study evaluated and recommended the chalkboard visual task size and viewing distance required for children with mild, moderate, and severe visual impairment (VI). Results: The major causes of low vision based on the site of abnormality and etiology were retinal (80%) and hereditary (67%) conditions, respectively, in children with mild (n = 18), moderate (n = 72), and severe (n = 20) VI. Many of the children (72%) had difficulty in viewing chalkboard and common strategies used for better visibility included copying from friends (47%) and going closer to chalkboard (42%). To view the chalkboard with reduced visual stress, a child with mild VI can be seated at a maximum distance of 4.3 m from the chalkboard, with the minimum size of visual task (height of lowercase letter writing on chalkboard) recommended to be 3 cm. For 3/60–6/60 range, the maximum viewing distance with the visual task size of 4 cm is recommended to be 85 cm to 1.7 m. Conclusion: Simple modifications of the visual task size and seating arrangements can aid children with low vision with better visibility of chalkboard and reduced visual stress to manage in mainstream schools.
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COMMENTARY |
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Expert comments on: Are children with low vision adapted to the visual environment in classrooms of mainstream schools?
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p. 290 |
Sandra Ganesh, Kalpana Narendran DOI:10.4103/ijo.IJO_1315_17 PMID:29380778 |
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PHOTO ESSAY |
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Pebble beach artifact: An apparent multicolor imaging maculopathy due to corneal desiccation |
p. 291 |
Ananda Kalevar, Robert N Johnson, Brandon J Lujan DOI:10.4103/ijo.IJO_757_16 PMID:29380779
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Inverted macular hole edges following an inverted internal limiting membrane transplantation surgery for large macular hole |
p. 293 |
CK Nagesha, Prabu Baskaran, Pankaja Dhoble DOI:10.4103/ijo.IJO_564_17 PMID:29380780
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Tuberous sclerosis complex with Best's vitelliform macular dystrophy: A combined presentation |
p. 295 |
Abhinav Dhami, P Vijayalakshmi Devi, Muna Bhende DOI:10.4103/ijo.IJO_693_17 PMID:29380781
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Documentation of active bleed from retinal neovascularization during fluorescein angiography |
p. 297 |
Ruchir Tewari, Vinod Kumar, Parijat Chandra, Atul Kumar DOI:10.4103/ijo.IJO_700_17 PMID:29380782
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Serendipitous use of light source of operating microscope in endoscopic dacryocystorhinostomy |
p. 299 |
Swati Singh, Mohinder Singh, Vikas Mittal DOI:10.4103/ijo.IJO_769_17 PMID:29380783
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OPHTHALMIC IMAGES |
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“Comet-tail” lesions of pseudoxanthoma elasticum |
p. 300 |
Vinod Kumar DOI:10.4103/ijo.IJO_718_17 PMID:29380784 |
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Management challenge: Optic disc granuloma in pulmonary tuberculosis |
p. 301 |
Priya Sivakumar, Rajesh Vedachalam, Nirmala Devy DOI:10.4103/ijo.IJO_571_17 PMID:29380785 |
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CASE REPORTS |
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Melanorrhea: Noncontiguous spread of palpebral conjunctival melanoma to the nasolacrimal duct |
p. 302 |
Raksha Rao, Santosh G Honavar, Michelle De Padua, Kaustubh Mulay, Vijayanand P Reddy DOI:10.4103/ijo.IJO_886_17 PMID:29380786
A 42-year-old Asian Indian male with a history of conjunctival melanoma in the left eye presented with a recurrent tumor in the upper tarsal conjunctiva. The tumor was completely excised under margin control, followed by two-staged eyelid reconstruction. During the second stage of the eyelid reconstruction, a brown-colored discharge was noted at the punctum, which on cytology was confirmatory of melanoma. Left dacryocystectomy with en bloc nasolacrimal duct (NLD) excision was performed. Histopathology demonstrated infiltration of the NLD by the tumor with no presence of melanoma in the lacrimal sac. Lacrimal oncorrhea is a term used to describe tumor spread by free-floating cells in the tear film. All conjunctival tumors carry a risk of tumor spread by oncorrhea.
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Primary squamous cell carcinoma arising from palpebral conjunctiva: A rare presentation |
p. 304 |
H Vijaya Pai, Divya Handa, J Padma Priya DOI:10.4103/ijo.IJO_754_17 PMID:29380787
Squamous cell carcinoma (SCC) of the conjunctiva usually arises from the limbal conjunctiva. Rarely, it can arise from the palpebral conjunctiva. We report a case of primary conjunctival SCC of the palpebral conjunctiva which was treated successfully.
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Reactivation of herpes simplex viral keratitis following the botulinum toxin injection |
p. 306 |
Muralidhar Ramappa, Peter Y Jiya, Sunita Chaurasia, Milind Naik, Savitri Sharma DOI:10.4103/ijo.IJO_714_17 PMID:29380788
We describe a case of 55-year-old male farmer presented with recurrent corneal abrasions with a spastic entropion in the left eye. Superior cornea showed typical nummular opacities suggestive resolved herpetic eye diseases. On further enquiry, he had similar episodes in the past. Contralateral eye was essentially normal. Following the botulinum toxin injection for the management of spastic entropion, subject developed reactivation of herpetic necrotizing stromal keratitis. Diagnostic corneal scrapings were negative for herpes simplex virus-1 antigen by immunofluorescence assay and for DNA by molecular techniques. The case was successfully managed with topical steroids and antiviral medications.
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An unusual hydrops in keratoconus |
p. 309 |
Sujata Dwivedi, Kapil Vohra DOI:10.4103/ijo.IJO_725_17 PMID:29380789
A young 19-year-old male was referred for the management of acute hydrops in the left eye. During follow-up, other eye cornea developed edematous bands as if hydrops was developing at two parallel sites. Edema progressed very slowly and new edema bands continued to develop. This creeping type of hydrops took 4 months to develop into typical hydrops. To the best of our knowledge, hydrops has always been reported to develop in an acute manner and at a single site. Our case is unusual because hydrops progressed very slowly and developed at multiple sites in a creeping manner.
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Unusual ulcerative keratitis caused by Prototheca wickerhamii in a diabetic patient |
p. 311 |
Niveditha Narayanan, D Vaidehi, L Dhanurekha, K Lily Therese, Rama Rajagopal, Radhika Natarajan, Meena Lakshmipathy DOI:10.4103/ijo.IJO_644_17 PMID:29380790
The purpose of the study was to report a case of ulcerative keratitis caused by an unusual algae Prototheca wickerhamii in a diabetic patient. This study design was a case report. A 46-year-old male, who was a known diabetic for 3 years, had an injury to the left cornea with the sparks of fire from wielding at work that developed into an ulcerative keratitis over a period of next 3 months as the patient was not on any medication. Corneal scraping culture report and Vitek 2 system investigation result confirmed it to be a P. wickerhamii infection. The patient was started on intensive topical 1% voriconazole and 5% natamycin for 1 month and with no improvement subsequently underwent penetrating keratoplasty. No recurrence of infection postoperatively was noted. This opportunistic algae rarely known to cause human eye infections is so far reported in either patients with severe systemic immunosuppression causing posterior segment eye involvement or as postcorneal surgery infections. We report an ulcerative keratitis by P. wickerhamii in a diabetic patient post corneal trauma with no prior ocular surgery.
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High-resolution optical coherence tomography in a case of descemetocele managed with amniotic membrane transplantation |
p. 315 |
Nilufer Sultana, Sunita Chaurasia, Muralidhar Ramappa DOI:10.4103/ijo.IJO_697_17 PMID:29380791
Amniotic membrane transplantation is a useful in the management of corneal melts and descemetocele. We describe high-resolution anterior segment optical coherence tomography (OCT) (Optovue) in a patient with descemetocele who was managed surgically with amniotic membrane transplantation. A 60-year-old female presented with a corneal melt in the right eye. She was a case of rheumatoid arthritis and was on systemic treatment with immunomodulators. Slit lamp examination revealed a severe thinning paracentrally. High-resolution OCT was performed at the site of descemetocele. She underwent amniotic membrane transplantation using fibrin glue and bandage contact lens application. At 6 weeks postoperative, the bandage contact lens was removed. The area of thinning healed with scarring. OCT at the healed site revealed stable surface and an increase in stromal thickness to 281 μ this case describes the utility of amniotic membrane in the healing of sterile corneal melts by providing tectonic support and its integration in the stroma. The stromal healing and increased thickness at the site of descemetocele could be delineated on high-resolution OCT imaging.
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Systemic diffuse large B-cell lymphoma masquerading as neovascular glaucoma |
p. 317 |
Pritam Bawankar, Dipankar Das, Harsha Bhattacharjee, Shahinur Tayab, Nilutparna Deori, Vivek Paulbuddhe, Shriya Dhar, Apurba Deka DOI:10.4103/ijo.IJO_746_17 PMID:29380792
We describe a case of spontaneous hyphema associated with anterior uveitis presents in a 69-year old female as the prominent sign of the intraocular spread of systemic diffuse large B-cell lymphoma (DLBCL). She had a history of diabetes and initially misdiagnosed as neovascular glaucoma. Clinical history of systemic lymphoma, characteristic findings on B-scan ultrasonography and magnetic resonance imaging scan, and identification of atypical lymphoid cells in aqueous sample established the diagnosis of intraocular metastasis of systemic DLBCL. Therefore, this report highlights that life-threatening malignant systemic lymphoma may masquerade as anterior segment ocular inflammation or neovascular glaucoma.
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Quantitative polymerase chain reaction analysis of serpiginous choroiditis with biopsy-proven testicular tuberculosis |
p. 320 |
Abhinav Dhami, Ranju Kharel (Sitaula), Jyotirmay Biswas DOI:10.4103/ijo.IJO_764_17 PMID:29380793
We report a case of a 47-year-old male patient presenting with diminution of vision in the left eye. The left eye fundus showed yellowish lesions with indistinct geographical margin extending over the posterior pole just abutting the macula, suggestive of diffuse choroiditis. The patient gave a history of testicular swelling for the past 2 years. Aqueous tap for polymerase chain reaction analysis was positive for IS6110 mycobacterial tuberculosis (TB) genome, and a biopsy of testicular sac was suggestive of tubercular epididymitis. A diagnosis of TB-multifocal serpiginoid choroiditis was established and was managed with anti-tubercular therapy and systemic steroids.
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Real-time polymerase chain reaction in acute retinal necrosis following encephalitis |
p. 322 |
Vinita Rao, Jyotirmay Biswas, Gopal Lingam DOI:10.4103/ijo.IJO_748_17 PMID:29380794
Acute retinal necrosis (ARN) following herpes simplex encephalitis (HSE) in an immunocompetent patient is a rare condition. Quantitative real-time polymerase chain reaction (qPCR) has made it possible to identify and quantify viral genome. We report a case of ARN following HSE managed with the help of qPCR. A 45-year-old man developed ARN following HSE and was treated with intravenous acyclovir and intravitreal foscarnet. The retinitis did not respond initially and the qPCR demonstrated a rise in the number of copies of the HSV-1 viral genome. With continued treatment with intravenous acyclovir and intravitreal ganciclovir, the retinitis healed and the qPCR confirmed a reduction in the viral load. qPCR has a high sensitivity and specificity for HSV and is a useful tool for diagnosis and treatment of viral retinitis.
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Multimodal imaging characteristics of hydroxychloroquine retinopathy |
p. 324 |
Kumar Saurabh, Rupak Roy, Nicey Roy Thomas, Maitreyi Chowdhury DOI:10.4103/ijo.IJO_787_17 PMID:29380795
Hydroxychloroquine (HCQ) is known to cause retinal toxicity. Early detection of the toxicity is necessary to stop the drug in time. Multicolor imaging (MC) is a new noninvasive retinal imaging modality that simultaneously acquires three reflectance images of the retina using three individual lasers producing a composite image, thereby allowing analysis of changes at various levels within the retina. It is a new and promising addition to the retinal imaging armory. MC characteristics of HCQ toxicity are hitherto unreported. A 61-year-old female presented with history of HCQ intake (400 mg/day) for the last 6 years. She had retinopathy in both eyes. Multicolor composite image showed circumscribed perifoveal arcuate area of darkening, and infrared reflectance showed speckled hyperreflecetance in both eyes. MC imaging shows definite changes in HCQ toxicity, and it might emerge as a possible screening tool in future.
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Torpedo maculopathy: A primary choroidal capillary abnormality?  |
p. 328 |
Rohan Chawla, Amar Pujari, Vaishali Rakheja, Atul Kumar DOI:10.4103/ijo.IJO_784_17 PMID:29380796
A 26-year-old healthy male patient's fundus revealed findings consistent with torpedo maculopathy. Swept-source optical coherence tomography (OCT) showed a dome-shaped elevation of the retina at the level of ellipsoid zone. On OCT angiography segmented at the level of the choriocapillaris, a cluster of convoluted fine vessels was seen, and further, deeper scans of the larger choroidal vessels showed a slower flow. From these observations along with the embryological correlation of choriocapillaris development, a possibility of an abnormality preventing proper fenestration of the choriocapillaris along the horizontal raphe being responsible for this anomaly is suggested.
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Torpedo maculopathy with multifocal central serous chorioretinopathy: A rare case report |
p. 330 |
Pradeep Kumar Panigrahi, Anita Minj, Jasmita Satapathy DOI:10.4103/ijo.IJO_812_17 PMID:29380797
We present a very rare case of torpedo maculopathy (TM) with multifocal central serous chorioretinopathy. A 26-year-old male presented with painless loss of vision in the right eye of 2 months duration. Clinical examination showed a torpedo-shaped lesion temporal to fovea and subretinal fluid in foveal center. Fluorescein angiography showed multifocal leaks. Optical coherence tomography showed an optically clear space/neurosensory detachment at the site of lesion. Patient underwent focal laser to the leaks. TM is a rare congenital disorder detected accidentally during routine fundus examination. It is usually unilateral and does not affect vision.
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Bilateral arterial occlusions masking retinitis in a HIV-positive male |
p. 332 |
Kalpana Babu, Bhagya Sudheer, Krishna R Murthy DOI:10.4103/ijo.IJO_563_17 PMID:29380798
We report an interesting case of 36-year-old HIV-positive male with uveitis, cilioretinal artery occlusion in OD, and superotemporal branch retinal artery occlusion in OS. Hypercoagulability, cardiovascular, and rheumatologic workups were unremarkable. Aqueous taps were negative for toxoplasma, viruses, and MTb by multiplex polymerase chain reaction. Patches of retinitis were seen on clearing of retinal edema. Serology was positive for toxoplasma and rickettsia. Management included doxycycline, azithromycin, bactrim DS, and oral steroids. Vision improvement to 6/60 and 6/24 in OD and OS refer to the right eye and left eye, respectively, were noted at 4-month follow-up. Infections should be considered in arterial occlusions associated with inflammation in HIV-positive individuals.
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Relative anterior microphthalmos in oculodentodigital dysplasia |
p. 334 |
Orsolya Orosz, Mariann Fodor, István Balogh, Gergely Losonczy DOI:10.4103/ijo.IJO_756_17 PMID:29380799
Here, we report a patient with oculodentodigital dysplasia (ODDD) caused by the c. 413G>A, p.Gly138Asp mutation in the gap junction protein alpha-1 gene. The patient suffered from characteristic dysmorphic features of ODDD. Ophthalmological investigation disclosed microcornea and a shallow anterior chamber, as expected. Surprisingly, the patient had a normal axial length and moderate myopia on both eyes. To the best of our knowledge, this is the first report on ODDD associated with relative anterior microphthalmos and myopia.
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An overlap case of Parry–Romberg syndrome and en coup de sabre with striking ocular involvement and anti-double-stranded DNA positivity |
p. 336 |
Hatice Atas, Müzeyyen Gönül, Aysun Gökçe, Mutlu Acar, Canan Gürdal DOI:10.4103/ijo.IJO_196_17 PMID:29380800
Parry–Romberg syndrome (PRS) may overlap localized scleroderma (morphea) lesions with linear depression (en coup de sabre [ECDS]). Overlap case with PRS and ECDS was presented. Enophthalmos, uveitis, ocular torticollis, keratic linear precipitates, and anti-double-stranded DNA positivity were identified. Subendothelial keratic precipitates detected by an in vivo laser scanning confocal microscopy were the first profiled in the literature. Patients must be evaluated and followed up carefully by their clinics to prevent misdiagnosis and unnecessary procedures such as surgery of ocular torticollis as muscular torticollis.
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LETTERS TO THE EDITOR |
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Time for introspection |
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Siddharth Agrawal, Rajat M Srivastava, Vinita Singh DOI:10.4103/ijo.IJO_779_17 PMID:29380801 |
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Increasing the reliability of health information on internet |
p. 339 |
Mihir T Kothari, Snehanka G Parab DOI:10.4103/ijo.IJO_916_17 PMID:29380802 |
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Keratoplasty in congenital primary aphakia |
p. 341 |
Muralidhar Ramappa, Sunita Chaurasia, Subhadra Jalali DOI:10.4103/ijo.IJO_694_17 PMID:29380803 |
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Our experience with strabismus surgery under topical anesthesia performed at a tertiary eye care center |
p. 342 |
K S Santhan Gopal, Jai Aditya Kelkar, Ekta Rakesh Arora DOI:10.4103/ijo.IJO_41_17 PMID:29380804 |
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Comment on: Femtosecond laser-assisted cataract surgery versus 2.2-mm clear corneal phacoemulsification |
p. 344 |
Sagnik Sen, Sudarshan Khokhar, Neelima Aron, Pragya Saini DOI:10.4103/ijo.IJO_1143_17 PMID:29380805 |
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Reply to comment on: Femtosecond laser-assisted cataract surgery versus 2.2 mm clear corneal phacoemulsification |
p. 344 |
H Ranjini, Praveen R Murthy, Gowri J Murthy, Vinay R Murthy DOI:10.4103/ijo.IJO_1212_17 PMID:29380806 |
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Comment on: Fungal keratitis: The Aravind Experience |
p. 345 |
Virgilio Galvis, Alejandro Tello, Augusto J Gomez, Carmen A Castillo, Néstor I Carreño DOI:10.4103/ijo.IJO_1114_17 PMID:29380807 |
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Reply to Comment on: Fungal keratitis: The Aravind Experience |
p. 346 |
Venkatesh N Prajna, Lalitha Prajna, Srinivasan Muthiah DOI:10.4103/ijo.IJO_1163_17 PMID:29380808 |
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Comment on: Systemic analysis of ocular trauma by a new proposed ocular trauma classification |
p. 347 |
Preet Kanwar Singh Sodhi, Aditya Verma DOI:10.4103/ijo.IJO_1002_17 PMID:29380809 |
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Reply to comment on: Systematic analysis of ocular trauma by a new proposed ocular trauma classification |
p. 348 |
Bhartendu Shukla DOI:10.4103/ijo.IJO_1079_17 PMID:29380811 |
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Comment on: Aflibercept for recurrent or recalcitrant polypoidal choroidal vasculopathy in Indian eyes: Early experience |
p. 348 |
Vidhi Kathiriya, Minal Kanhere, Yash Gala, Suresh Ramchandani DOI:10.4103/ijo.IJO_1034_17 PMID:29380810 |
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Reply to comment on: Aflibercept for recurrent or recalcitrant polypoidal choroidal vasculopathy in Indian eyes: Early experience |
p. 349 |
Aditya Bansal, Muna Bhende, Tarun Sharma, Pramod Bhende, Suchetana Mukherjee DOI:10.4103/ijo.IJO_1093_17 PMID:29380812 |
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Comment on: Orbital dermatofibrosarcoma protuberans with frontal and ethmoid sinus involvement: A case report and brief review of literature |
p. 350 |
Mahmood Dhahir Al-Mendalawi DOI:10.4103/ijo.IJO_945_17 PMID:29380813 |
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Reply to comment on: Orbital dermatofibrosarcoma protuberans with frontal and ethmoid sinus involvement: A case report and brief review of literature |
p. 351 |
Deepti Sharma, Garima Singh, Neha Kakkar, Vidya Jha DOI:10.4103/ijo.IJO_1016_17 PMID:29380814 |
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