Impact of presbyopia on quality of life in a rural African setting.

Purpose: To determine the impact of uncorrected presbyopia on quality of life in rural Tanzania.

Design: Cross-sectional study.

Participants: Population-based sample of 1709 village and town-dwelling adults aged 40 and older in the Kongwa district in rural Tanzania.

Population-based study of presbyopia in rural Tanzania.

Objective: To determine the prevalence of presbyopia in a rural African population.

Design: Cross-sectional prevalence study.

Participants: One thousand seven hundred nine persons age 40 years and older who resided in 3 villages and randomly selected neighborhoods of Kongwa town, Tanzania.