Journal article

Number of People Blind or Visually Impaired by Cataract Worldwide and in World Regions, 1990 to 2010

Moncef Khairallah, Rim Kahloun, Rupert Bourne, Hans Limburg, Seth R Flaxman, Jost B Jonas, Jill Keeffe, Janet Leasher, Kovin Naidoo, Konrad Pesudovs, Holly Price, Richard A White, Tien Y Wong, Serge Resnikoff, Hugh R Taylor

INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE | ASSOC RESEARCH VISION OPHTHALMOLOGY INC | Published : 2015

Abstract

PURPOSE: To estimate prevalence and number of people visually impaired or blind due to cataract. METHODS: Based on the Global Burden of Diseases Study 2010 and ongoing literature research, we examined how many people were affected by moderate to severe vision impairment (MSVI; presenting visual acuity <6/18, ≥3/60) and blindness (presenting visual acuity <3/60) due to cataract. RESULTS: In 2010, of overall 32.4 million blind and 191 million vision impaired, 10.8 million people were blind and 35.1 million were visually impaired due to cataract. Cataract caused worldwide 33.4% of all blindness in 2010, and 18.4% of all MSVI. These figures were lower in the high-income regions (40%) in South an..

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