Temporal trends in the prevalence and causes of visual impairment in the South Indian state of Telangana: a population-based cross-sectional study.

ABSTRACT:

Objectives

To investigate the temporal trends in the prevalence and causes of visual impairment (VI) in South India.

Design

Population-based cross-sectional studies conducted during the years 2011-2012 and 2017 using identical study methods and in geographical locations are compared. The L V Prasad Eye Institute established services in Khammam and not in Warangal district after the 2011-2012 study.

Setting

Khammam and Warangal districts in Telangana, India.

Participants

In total, 5357 participants aged ≥40 years were examined from two districts in the 2011-2012 study and 4923 participants were examined in the 2017 study.

Main outcome measures

Age-adjusted and gender-adjusted temporal trends in the prevalence and causes of VI.Blindness and moderate VI (MV

SUBMITTER: Marmamula S 

PROVIDER: S-EPMC6661589 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature