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盲与低视力狭义的盲是指视力丧失至无光感,即黑矇。广义的盲是指双眼失去识别周围事物的能力。诊断标准为:好眼最佳矫正视力低于0.05或视野半径小于10度者。低视力是指中心视力低于正常或周边视野缩小。诊断标准为:好眼最佳矫正视力小于0.3而大于或等于0.05者。我国盲及低视力的患病率约为1.01%,盲的患病率约0.43%,双眼低视力约0.58%。致盲及低
Blind and low vision Narrow sense narrow refers to the loss of sight to no light, that is, dark. Blindness in broad sense refers to the loss of the ability of both eyes to recognize the surroundings. Diagnostic criteria are: good eye best corrected visual acuity less than 0.05 or visual field radius less than 10 degrees. Low vision refers to the center of vision is lower than normal or narrowing of the surrounding vision. Diagnostic criteria: good eye best corrected visual acuity less than 0.3 and greater than or equal to 0.05. The prevalence of blindness and low vision in China is about 1.01%, the prevalence of blindness is about 0.43% and the low vision of eyes is about 0.58%. Blind and low