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Year : 2020  |  Volume : 68  |  Issue : 9  |  Page : 1894-1900

Visual outcome and prognostic factors in cataract surgery in ocular tuberculosis

1 Cornea and Anterior Segment Services; Uvea Services, MGM Eye Institute, Raipur, Chhattisgarh, India
2 Cornea and Anterior Segment Services, MGM Eye Institute, Raipur, Chhattisgarh, India
3 Uvea Services; Vitreo-retina Services, MGM Eye Institute, Raipur, Chhattisgarh, India
4 Pediatric Ophthalmology and Strabismus Services, MGM Eye Institute, Raipur, Chhattisgarh, India

Correspondence Address:
Dr. Samrat Chatterjee
MGM Eye Institute, 5th Mile Vidhan Sabha Road, Raipur, Chhattisgarh - 493 111
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijo.IJO_428_20

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Purpose: To analyze the outcome of cataract surgery in patients with ocular tuberculosis (OTB). Methods: Medical records of patients with OTB who underwent cataract surgery between 2005 and 2018 were retrospectively reviewed. The primary outcome measure was corrected distant visual acuity (CDVA), and a good outcome was defined as CDVA 20/40 or better. Results: There were 35 patients (41 eyes), of whom 13 (37.1%) were males and 22 (62.9%) were females. The mean age was 41.6 ± 13.8 (range 18–65) years. Anterior uveitis was present in 24 (58.5%) eyes, intermediate uveitis in 5 (12.2%) eyes, posterior uveitis in 6 (14.6%) eyes, and panuveitis in 6 (14.6%) eyes. Posterior sub-capsular cataract (51.2%) was the most common type of cataract. Total cataract was present in 9 (22%) eyes. The two most common ocular comorbidities were small pupil (85.4%) and glaucoma (17.1%). Phacoemulsification was performed in 36 (87.8%) eyes and ECCE was performed in 5 (12.2%) eyes. Intraoperatively the pupil was mechanically dilated in 36 (87.8%) eyes. Overall 26 (63.4%) and 23 (56.1%) eyes achieved CDVA 20/40 or better at 1- and 6-month follow-up visit, respectively. The mean preoperative LogMAR CDVA significantly improved from 1.28 ± 0.57 to 0.38 ± 0.36 at 1-month (P < 0.0001). One eye had fibrinous anterior chamber reaction and 24 (58.5%) eyes had 1 or more episodes of reactivation of uveitis in the follow-up period. The three commonest complications were glaucoma (26.8%), posterior capsule opacification (19.5%), and epiretinal membrane (17.1%). Postoperative posterior segment complications like epiretinal membrane formation, vitreous inflammation and cystoid macular edema affected final visual acuity (P < 0.002). Conclusion: The visual outcome after cataract surgery in OTB was satisfactory as significant number of patients achieved a good final visual acuity.

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