Population-based assessment of prevalence and causes of visual impairment in the state of Telangana, India: a cross-sectional study using the Rapid Assessment of Visual Impairment (RAVI) methodology

Abstract

OBJECTIVE To assess the prevalence and causes of visual impairment (VI) among a rural population aged 40 years and older in the state of Telangana in India. DESIGN Population-based cross-sectional study. SETTING Districts of Adilabad and Mahbubnagar in south Indian state of Telangana, India. PARTICIPANTS A sample of 6150 people was selected using… (More)
DOI: 10.1136/bmjopen-2016-012617

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