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Purpose: To analyze and compare the clinical profile of herpes zoster ophthalmicus (HZO) patients in a South Indian patient population aged <60 years and ≥60 years and determine the risk factors for recurrence of ocular inflammation.Methods: Retrospective study of 249 cases between 2006 and 2016 from two tertiary referral eye centres in south india.Results: Out of 249 cases, 189 cases were <60 years (Group 1) and 60 cases were aged ≥60 years (Group2). Presence of diabetes mellitus, increased intraocular pressure(IOP) at the time of active inflammation, use of topical steroids and recurrences were significantly more common in group 1. Significant risk factors for recurrences included corneal, uveal, scleral involvements and increase in IOP. Good vision at presentation was noted in 67.9% of the patients.Conclusions: Anterior uveitis with or without keratitis was the most common presentation observed in more than 50% cases. The overall visual outcome was good. [ABSTRACT FROM AUTHOR]

Purpose: To review the role of high resolution chest computed tomography (HRCT) in ocular sarcoidosis in a high TB endemic population.Methods: This was a retrospective study.Results: Out of 140 cases, 54 had ocular sarcoidosis, while 86 cases had ocular tuberculosis. Abnormal HRCT findings was noted in 52 cases (96.3%) of ocular sarcoidosis compared with 55 cases (64.7%) of ocular tuberculosis (p = 0.001). Mediastinal lymphadenopathy was the most common finding in both groups (p = 0.544). Hilar lymphadenopathy and fissural nodules were significantly seen in ocular sarcoidosis (p = 0.001). Necrosis was seen in three cases of ocular sarcoidosis. In nearly half of the cases, it was not possible to differentiate between sarcoidosis and tuberculosis on HRCT.Conclusions: HRCT is a useful diagnostic tool in ocular sarcoidosis. Bilateral hilar lymphadenopathy and fissural nodules are significant findings in ocular sarcoidosis. A confident diagnosis of ocular sarcoidosis is made by the amalgamation of results of clinical, radiologic, and other laboratory investigations. [ABSTRACT FROM AUTHOR]

Aim: To review the results of QuantiFERON TB gold (QFT-G) in our patient population of presumed ocular tuberculosis and the effect of antitubercular therapy (ATT) on the QFT-G result.Materials and Methods: Retrospective review of 82 cases of presumed ocular tuberculosis with a successful response to ATT and 6 months follow-up post-ATT. Appropriate statistical analysis was done for associations between QFT-G and independent variables. Pre-ATT QFT-G values were also compared to the post-ATT value.Results: There were no statistically significant differences in the results of QFT-G with age (0.635), gender (0.096), history of oral steroids (0.171), or type of uveitis (0.664). There was a statistically significant association between a positive QFT-G and serpiginous-like choroiditis (0.048). The majority of our patients had positive QFT even after completion of ATT but with a significant drop in the mean values post ATT (0.010).Conclusions: Our study shows significant association of positive QFT with serpiginous-like choroiditis and persistent positivity even after completion of ATT in majority of cases in our population. There was, however, a drop in the mean values of QFT-G post-ATT. [ABSTRACT FROM AUTHOR]