As the prevalence of blindness and low vision increasing with age, populations 60 years or older should be the more important protection crowd.
由于盲与低视力的患病率随年龄增长而增高,故盲与低视力防治的重点人群为60岁以上老年人群。
参考来源 - 河北省平乡县40岁及以上人群外眼病与视力损害的流行病学调查·2,447,543篇论文数据，部分数据来源于NoteExpress
目的：通过调查随访，了解盲与低视力患者康复情况。
Objective:To evaluate the efficacy of low vision aids for blind and low vision patients.
按照WHO的盲与低视力的诊断标准，年龄相关性白内障导致的双眼盲占2.58%，导致的双眼低视力占6.56%。
Based on the WHO diagnostic criterion on blind and low vision, the blindness rate caused by bilateral cataract was 2.58% and that of bilateral cataract low vision was 6.56%.
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