[An epidemiological study on senile cataract in urban and rural areas of Chengdu].
OBJECTIVE
To find out the status and distribution characteristics of senile cataract, which is one of the common disease affecting the quality of life of the elderly people.


METHODS
One thousand and sixteen people aged 60 or more in the urban and rural areas of Chengdu were included by cluster random sampling and investigated by questionnaire method and medical examination.


RESULTS
It was found that the prevalence of senile cataract was 52.3% in urban area and 51.3% in rural area. The prevalence was higher in women than in men, and it increased with age. The prevalence of senile cataract by past diagnosis was lower than that by present medical examination; this difference was found obvious in the rural area.


CONCLUSIONS
The prevention and treatment of senile cataract should be strengthened.
Liu
Chunling
C
Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, China.
Hou
Chuan
C
Liu
Yi
Y
Luan
Rongsheng
R
Yan
Mi
M
Wang
Jingsi
J
Li
Youping
Y
Liu
Donglei
D
Huang
Jianhua
J
Zhang
Tiande
T
D000368:Aged; D002386:Cataract / Q000453:epidemiology*; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D011897:Random Allocation; D012494:Sampling Studies; D012737:Sex Factors