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  Access statistics : Table of Contents
   1997| January-March  | Volume 45 | Issue 1  
 
 
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CURRENT OPHTHALMOLOGY
Mooren's ulcer : Current concepts in management
VS Sangwan, P Zafirakis, CS Foster
January-March 1997, 45(1):7-17
PMID:9475006
Mooren's ulcer is strictly a peripheral ulcerative keratitis (PUK) with no associated scleritis. It occurs completely in absence of any diagnosable systemic disorder that could be responsible for the progressive destruction of the cornea. The aetiology of Mooren's ulcer remains uncertain. However, recent studies indicate that it is an autoimmune disease directed against a specific target molecule in the corneal stroma, probably triggered in genetically susceptible individuals by one of several possible provocateurs. Advances have been made in the management of this disease. Immunosuppressive therapy has been shown increasingly successful in patients unresponsive to conventional treatment and in bilateral progressive destructive ocular disease.
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COMMUNITY EYE CARE
A study of ocular morbidity among elderly population in a rural area of central India
MM Singh, GV Murthy, R Venkatraman, SP Rao, S Nayar
January-March 1997, 45(1):61-65
PMID:9475015
A cross-sectional study was conducted in five randomly selected villages in Wardha district of Maharashtra state to study the magnitude and factors related to the prevalence of ocular diseases among the elderly population. A total of 903 persons above 50 years were screened. The prevalence of low vision was 32% while that of blindness was 12.2% Ocular morbidity rate was 1.21 lesions per elderly person and it increased significantly with increasing age (p<0.001). Ocular diseases were found to be more prevalent among males, low socio-economic status group and landless labourers (p<0.001). There was a high prevalence of refractive errors (40.8%), cataract (40.4%), aphakia (11.1%) followed by pterygium (5.2%), glaucoma (3.1%) and corneal opacities (3%). Prevalence of diseases of the lens and iris increased significantly with increasing age (p<0.001). There is a need to evolve strategies for reducing the burden of ocular diseases and improve geriatric eye health under the existing infrastructure of health care delivery in our country.
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ORIGINAL ARTICLE
Releasable suture technique for trabeculectomy
R Thomas, P Jacob, A Braganza, A Mermoud, J Muliyil
January-March 1997, 45(1):37-41
PMID:9475010
A retrospective review of 154 trabeculectomies with releasable sutures was performed to assess the effect of suture release on intraocular pressure (IOP) at various postoperative periods. Release of the suture was necessary in 38% of cases. The immediate reduction in IOP was significant (p <0.01) when the suture was released during the first three postoperative weeks. Seventy percent of eyes had a reduction in IOP more than 5 mmHg if released within the first week compared to 20% after the third week. With suture release after the third postoperative week, there was no clinically significant decrease in IOP. The decrease in IOP was similar in eyes undergoing trabeculectomy alone or when cataract extraction through a separate corneal incision was undertaken simultaneously. The period during which release of suture was effective was not prolonged by use of antimetabolites. Complications included a typical windshield-wiper keratopathy (18 eyes), failure to release the suture (13 eyes), epithelial abrasion (6 eyes) and a sub-conjunctival bleed (1 eye).
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OPHTHALMOLOGY PRACTICE
An alternate way to manage patients with morgagnian cataracts and phacolytic glaucoma
AK Mandal
January-March 1997, 45(1):53-59
PMID:9475014
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CASE REPORT
Surgically induced necrotising scleritis (SINS) - Report of two cases
A Joseph, J Biswas, G Sitalakshmi, L Gopal, SS Badrinath
January-March 1997, 45(1):43-45
PMID:9475011
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ORIGINAL ARTICLE
Cornea stress test--evaluation of corneal endothelial function in vivo by contact lens induced stress
JS Saini, S Mittal, M Anand
January-March 1997, 45(1):19-24
PMID:9475007
Reliable and valid assessment of corneal endothelial function is a critical input for diagnosing, prognosticating and monitoring progression of disorders affecting corneal endothelium. In 123 eyes, corneal endothelial function was assessed employing data from the corneal hydration recovery dynamics. Serial pachometric readings were recorded on Haag-Striet pachometer with Mishima-Hedbys modification before and after two hours of thick soft contact lens wear. Percentage Recovery Per Hour (PRPH) was derived from raw data as an index of endothelial function. Assessed PRPH in pseudophakic corneal oedema and Fuchs' endothelial dystrophy eyes (35.9 +/- 9.8%) was significantly lower than normal controls (61.9 +/- 10.5%). On employing receiver operation characteristics curve analysis the tested results demonstrated high sensitivity (87%) and specificity (92%) for detection of low endothelial function at PRPH cut off of 47.5%. Using this PRPH cut off, 80% of Fuchs' endothelial dystrophy and 93.3% of pseudophakic corneal oedema eyes could be demonstrated to have low endothelial function. A total of 66.7% of diabetic eyes also demonstrated PRPH of lower than 47.5%. Clear corneal grafts demonstrated PRPH values of 24.6% to 73.0%. Of 6 corneal grafts that demonstrated initial PRPH of lower than 47.5%, 4 failed within 4 to 6 months. Our data demonstrated high sensitivity and specificity of this corneal stress test. PRPH index was useful in quantifying endothelial function in clinical disorders including diabetes mellitus. The index PRPH was demonstrated to be useful in monitoring and prognosticating outcome of corneal grafts.
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Conjunctival impression cytology in xerophthalmia among rural children
M Singh, G Singh, S Dwevedi, K Singh, D Kumar, A Tiwari, M Aggarwal
January-March 1997, 45(1):25-29
PMID:9475008
The advent of Conjunctival Impression Cytology (CIC) has opened a new chapter in the detection of Vitamin A deficiency as it is a simplified field technique. The need for such a technique was of paramount importance in India where as estimated 5 to 7 percent children suffer from eye signs of Vitamin A deficiency. In the present study the results of clinical evaluation of apparently healthy children and those having clinical sings and symptoms of Vitamin A deficiency have been compared with CIC results. Serum Vitamin A levels have also been estimated wherever possible. The findings indicate that CIC results are superior to the clinical assessment and it is suggested that CIC can be used as screening tool for children of school going age (and earlier) for early detection and correction of Vitamin A deficiency.
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CASE REPORT
Congenital orbital teratoma : A report of two cases
MC Sharma, C Sarkar, S Gaikwad, AK Mahapatra, S Bahadur
January-March 1997, 45(1):49-52
PMID:9475013
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ORIGINAL ARTICLE
Torsional changes in surgery for A-V phenomena
P Sharma, M Halder, P Prakash
January-March 1997, 45(1):31-35
PMID:9475009
The role of torsion in the aetiopathogenesis of A-V phenomena has not been sufficiently emphasized. The success of vertical displacement of horizontal recti in correction of A or V has not been attributed to torsional changes. To evaluate this aspect, 21 cases of A or V phenomena were subjected to monocular recession-resection procedure with vertical shifting. Preoperative and postoperative torsional changes were evaluated on synoptophore (subjective torsion), and confirmed by fundus photography (objective torsion). Intorsion with A phenomenon was seen preoperatively in 5 of 8 cases which increased after surgery and was seen postoperatively in the other 3 cases also. Extorsion was observed in 5 of 13 cases pre operatively in 'V' phenomenon, but the changes in extorsion after surgery were less dramatic than those in intorsion. The oblique overactions were reduced in cases where they were present. Correction of A-V phenomena by torsion induced by vertical shifting of horizontal recti muscles is proposed, highlighting the role of torsion in A-V phenomena.
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EDITORIAL
Cataract - Where do we stand ?
D Balasubramanian
January-March 1997, 45(1):5-6
PMID:9475005
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CASE REPORT
External beam irradiation in the management of choroidal haemangioma
MP Shanmugam, T Sharma
January-March 1997, 45(1):45-48
PMID:9475012
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