Prevalence, Causes and Social Factors of Visual Impairment among Chinese Adults: Based on a National Survey.

ABSTRACT: Visual impairment has become a global challenge, especially for developing countries. This study aims to estimate the prevalence, causes and social factors of visual impairment among Chinese adults. Data were from a nationally representative population-based cross-sectional study. The study population were 1,909,199 non-institutionalized adults aged 18 years and older in mainland China. In the survey, low vision and blindness were checked by ophthalmologists according to the WHO best-corrected visual acuity (BCVA) criteria. Population weighted numbers and prevalence of low vision and blindness with 95% confidence intervals (CIs) were estimated where appropriate. Multivariable logistic regression analysis was used to identify the social factors of visual impairment. The weighted prevalence

SUBMITTER: Guo C 

PROVIDER: S-EPMC5615571 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature