Rohit Khanna

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AIM To report the prevalence, risk factors and associated population attributable risk percentage (PAR) for refractive errors in the South Indian adult population. METHODS A population-based cross-sectional epidemiologic study was conducted in the Indian state of Andhra Pradesh. A multistage cluster, systematic, stratified random sampling method was used(More)
PURPOSE OF REVIEW To review the previous year's literature related to prevalence of blindness in general, blindness due to cataract, cataract surgical coverage (CSC) and cataract surgical rates (CSRs). RECENT FINDINGS Cataracts are the major cause of blindness and visual impairment in developing countries and contributes to more than 90% of the total(More)
PURPOSE To compare the prevalence of and risk factors for primary open-angle glaucoma (POAG) and primary angle-closure glaucoma (PACG) in urban and rural populations in the Andhra Pradesh Eye Disease Study. DESIGN A population-based, cross-sectional study using a stratified, random, cluster, and systematic sampling strategy. PARTICIPANTS Between 1996(More)
PURPOSE To describe the prevalence and risk factors for pterygium in a population-based sample of individuals aged 30 years and older in South Indian state of Andhra Pradesh. METHODS A cross-sectional study was conducted in one urban and three rural locations in which 10,293 subjects were examined. All the subjects underwent comprehensive eye examination(More)
PURPOSE OF REVIEW To review the previous year's literature related to cataract surgery in developing countries and to provide fast, up-to-date information to the scientific world. RECENT FINDINGS Cataract is the leading cause of blindness, especially in developing countries. The prevalence of cataract increases with the aging population. Although cataract(More)
PURPOSE To report the incidence of postoperative endophthalmitis at a high-volume eye hospital in southern India using a modified cost-effective sterilization protocol. SETTING Aravind Eye Hospital and Post Graduate Institute of Ophthalmology, Pondicherry, India. METHODS In this retrospective observational series at a single eye hospital, records of(More)
The effects of cell entrapment on nucleic acid content, cell morphology, cell surface property, and stress of major groups of bacteria (betaproteobacteria and gammaproteobacteria) in biological municipal wastewater treatment were investigated. Three different entrapment media (alginate, carrageenan, and polyvinyl alcohol) were examined. Results indicated(More)
PURPOSE To assess the prevalence and causes of visual impairment in urban and rural population aged ≥ 40 years in the South India state of Andhra Pradesh. METHODS A population based cross-sectional study was conducted in which 7800 subjects were sampled from two rural and an urban locations. Visual Acuity (VA) was assessed using a tumbling E chart and eye(More)
To determine whether transpupillary thermotherapy (TTT) causes resolution of neurosensory detachment associated with chronic central serous chorioretinopathy (CSCR). The study was a prospective interventional pilot study. All patients underwent Snellen visual acuity measurement (converted to LogMAR for analysis), slitlamp biomicroscopy, fundus examination,(More)