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The World Health Organization (WHO) classifies blindness based on visual acuity and field of vision. According to this classification, blindness is defined as having a best-corrected visual acuity of less than 3/60 (20/400) in the better eye or a visual field of less than 10 degrees. Additionally, visual impairment is categorized into levels, including mild, moderate, severe, and profound, to aid in understanding and addressing the needs of individuals affected by vision loss.

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AnswerBot

1mo ago

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