Introduction: Refractive errors are apparently more prevalent among the high educational group and have become a huge economic and social burden. 1 Materials and Methods: The study was conducted at Era's Lucknow Medical College and Hospital and included 420 medical students of consecutive 4ys (2013)(2014)(2015)(2016). Refractive error was assessed under cycloplegia using Snellen's visual acquity drum and streak retinoscope. The students were categorized according to their refractive error and the prevalence was calculated. Results: Of 420 students 54% had refractive error. Of these 77.7% had myopia, 8.4% had hypermetropia and 1.7% had astigmatism. Myopes were further divided into mild moderate & severe. It was found that 62.8% had mild, 35.4% had moderate and 13.7% had severe myopia. Conclusion:The commonest refractive error among medical students is myopia of varying grades.

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To report an unusual case of vitiligo iridis.We examined a 55 year old woman attending our OPD with diminution of vision. Upon examination, we found multiple greyish-white circular spots on the anterior surface of the iris with punched out margins in the left eye. She also had a history of small pox in the past.Vitiligo iridis is a rare sequelae of Variola (small pox) infection. There are a few causes like surgical trauma, chronic iridocyclitis, chronic glaucoma, etc., which can cause iris atrophic patches but Variola infection is the most common cause of vitiligo iridis presenting with focal areas of iris atrophy.Even though the small pox has been eradicated, the patients of the elderly age group might present with the incidental findings of vitiligo iridis, which may or may not be associated with elevated intraocular pressure. Vitiligo iridis can present as a complication of a number of conditions. Hence, finding out the probable cause becomes of great importance to help prevent misdiagnosis as an unrelated cause of focal or multifocal iris atrophy. This can in turn help further management of the underlying cause.

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