What question did this study set out to answer?

The aim is to examine the trends in cataract prevalence and burden in China from 1990 to 2021.

April 10, 2026BMC Public Health0 citationsOpen Access

Epidemiology of cataract in China from 1990 to 2021: findings from the Global Burden of disease study 2021

ZLZheng LongNorth China University of Science and Technology FJFenghuan JiaWenzhou Medical University ZLZhenghao Long

Puntos clave

The aim is to examine the trends in cataract prevalence and burden in China from 1990 to 2021.
Analysis of epidemiological data from the Global Burden of Disease Study 2021
Comparison of prevalence and years lived with disability (YLD) rates across different years
Evaluation of gender and age-related differences in cataract burden
Cataract prevalence and YLD increased each year from 1990 to 2021
Age-standardized prevalence rates exhibited an upward trend
Age-standardized YLD rates showed a downward trend
Cataract burden was higher in females compared to males
The burden increased progressively with age

Resumen

From 1990 to 2021, the number of prevalence and YLD for cataract increased by year, the age-standardized prevalence rate showed an upward trend, and the age-standardized YLD rate showed a downward trend in China. The burden of cataract was higher in females than that in males. With the increase of age, the burden of cataract was gradually increasing.

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