Population-based rapid assessment of avoidable blindness survey in Sohag governorate in Egypt.

ABSTRACT:

Objectives

To determine the prevalence and causes of blindness and vision impairment, and the coverage and quality of cataract surgical services, among population aged 50 years and older in Sohag governorate in Egypt.

Design

A population-based cross-sectional survey using two-stage cluster random sampling following the rapid assessment of avoidable blindness methodology.

Setting

A community-based survey conducted by six teams of ophthalmologists, assistants and local guides. Enrolment and examination were door-to-door in selected clusters.

Participants

Using 2016 census data, 68 population units were randomly selected as clusters (of 60 people) with probability proportionate to population size. Anyone aged 50 years and older, residing in a non-institutional set

SUBMITTER: AlSawahli H 

PROVIDER: S-EPMC7552864 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature