يعرض 1 - 4 نتائج من 4 نتيجة بحث عن '(( 50 we decrease ) OR ((((( i _ decrease ) OR ( _ test decrease ))) OR ( 5 a decrease ))))~', وقت الاستعلام: 0.08s تنقيح النتائج
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    Trends in prevalence of blindness and distance and near vision impairment over 30 years: an analysis for the Global Burden of Disease Study حسب Rupert Bourne (603842)

    منشور في 2020
    "…Globally, between 1990 and 2020, among adults aged 50 years or older, age-standardised prevalence of blindness decreased by 28·5% (–29·4 to −27·7) and prevalence of mild vision impairment decreased slightly (–0·3%, −0·8 to −0·2), whereas prevalence of moderate and severe vision impairment increased slightly (2·5%, 1·9 to 3·2; insufficient data were available to calculate this statistic for vision impairment from uncorrected presbyopia). …"