Journal article

Moderate visual impairment in India: the Andhra Pradesh Eye Disease Study

R Dandona, L Dandona, M Srinivas, P Giridhar, MN Prasad, K Vilas, CA McCarty, GN Rao

BRITISH JOURNAL OF OPHTHALMOLOGY | BRITISH MED JOURNAL PUBL GROUP | Published : 2002

Abstract

AIM: To assess the prevalence and demographic associations of moderate visual impairment in the population of the southern Indian state of Andhra Pradesh. METHODS: From 94 clusters in one urban and three rural areas of Andhra Pradesh, 11 786 people of all ages were sampled using a stratified, random, cluster, systematic sampling strategy. The eligible people were invited for interview and detailed dilated eye examination by trained professionals. Moderate visual impairment was defined as presenting distance visual acuity less than 6/18 to 6/60 or equivalent visual field loss in the better eye. RESULTS: Of those sampled, 10,293 (87.3%) people participated in the study. In addition to the prev..

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