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![WHO | Visual impairment and blindness - WHO | World Health Organization](https://www.iarticlesnet.com/pub/img/site/s_32.jpeg)
WHO | Visual impairment and blindness - WHO | World Health Organization
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日期:2024-08-28
There are 4 levels of visual function, according to the International Classification of Diseases -10 (Update and Revision 2006): normal vision moderate visual impairment severe visual impairment blindness. Moderate visual impairment combined with severe v...看更多