A RETROSPECTIVE ANALYTICAL STUDY OF PERMANENT VISUAL DISABILITY IN NORTHWEST TAMILNADU
Journal Title: Journal of Evidence Based Medicine and Healthcare - Year 2017, Vol 4, Issue 31
Abstract
BACKGROUND Impairment in vision is a worldwide problem of socio-economic significance. This study was carried out with objective of analysing various causes of permanent visual disability in North West rural Tamilnadu, India. MATERIALS AND METHODS The study was done by evaluating 150 cases of permanent visual disability patients who came to ophthalmology OPD Department at Government Dharmapuri Medical College. Patients with permanent visual disability underwent ocular examination including visual acuity, anterior segment evaluation with oblique illumination and slit-lamp evaluation, retinoscopy and fundus examination with post mydriatic test to identify the cause of permanent disability. RESULTS In this study, permanent visual disability is equally distributed with mild increase in males (53%). The majority of the permanently disabled are found in age group between 15 and 45 years (57%), followed by age group 46 - 60 years (21%), 17% are more than 60 years (17%) of age and 5% are less than fifteen years of age. In the study, one-half of the disabled persons are 100% blind and one-quarter (23%) are one eyed. 11% are 75% visually disabled and 17% had 40% visual disability. In the study corneal blindness (27%) and retinitis pigmentosa (15%) are the top two causes of bilateral permanent and 80% of all unilateral blindness result from some type of injury to one eye. CONCLUSION In this study we conclude that the present visual disability due to diabetic retinopathy, glaucoma and pathological myopia could have been avoided or delayed if promptly diagnosed and treated at an earlier stage. Also the time between injury and treatment by ophthalmologist plays a main role in unilateral blindness due to injury.
Authors and Affiliations
Sivaraman M, Kumaravel T, Srinivasan V
Keywords
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- EP ID EP217984
- DOI 10.18410/jebmh/2017/358
- Views 102
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