Near-vision impairment and effective near-vision spectacle coverage in two districts in Telangana, India: a population-based cross-sectional study.

ABSTRACT:

Objectives

To investigate the prevalence of near-vision impairment (NVI) and effective spectacle coverage for near vision in those aged ≥40 years in Khammam and Warangal district in Telangana, India.

Design

A population-based cross-sectional study.

Setting

Khammam and Warangal district in Telangana, India.

Participants

Of 6000 people enumerated, 5357 were examined (89%). 4526 participants without distance vision impairment were included in the analysis.

Main outcome measures

The study teams visited selected households and conducted eye examinations. NVI was defined as binocular presenting near vision worse than N6. 'Unmet need' was deemed to be present if the unaided near vision was worse than N6 and improved to N6 with near correction among the particip

SUBMITTER: Marmamula S 

PROVIDER: S-EPMC8030469 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature