Prevalence and causes of visual impairment amongst older adults in a rural area of North India: a cross-sectional study.
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ABSTRACT: OBJECTIVES:To determine the prevalence, causes and associated factors for visual impairment (VI) in rural population of Jhajjar district, Haryana, north India. METHODS:A community-based, cross-sectional study was conducted in two blocks of Jhajjar district. A total of 34 villages were selected using probability proportionate to size sampling method. Adults aged 50 years and above were selected using compact segment cluster sampling approach. Presenting visual acuity using LogMAR E chart was measured along with collection of other demographic details as part of the house-to-house survey. Subjective refraction and torch light examination were performed at a clinic site within the village to ascertain VI and its cause. VI was considered when presenting visual acuity was less than 6/18 in the
SUBMITTER: Malhotra S
PROVIDER: S-EPMC5875657 | biostudies-literature | 2018 Mar
REPOSITORIES: biostudies-literature
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