Prevalence and causes of visual impairment in population more than 50 years old
نویسندگان
چکیده
منابع مشابه
Prevalence of blindness and visual impairment and its causes among people aged 50 years and above in Karnali Zone, Nepal.
OBJECTIVE To estimate the prevalence of blindness and visual impairment and its causes among those aged 50 years and above in Karnali Zone. MATERIALS AND METHODS Stratified cluster sampling method was used. Twenty four clusters of 50 people aged 50 years and above were selected for the study. Visual acuity was recorded with simplified vision testing card with one optotype "E" of size 60 on on...
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ژورنال
عنوان ژورنال: Medicine
سال: 2020
ISSN: 0025-7974,1536-5964
DOI: 10.1097/md.0000000000020109