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人一上五十岁,就要开始面对视力衰退的问题。眼睛看不清基本上是由三种疾病造成:白内障、青光眼、老年黄斑病变。白内障:最易导致眼盲全球首号眼睛“杀手”就是白内障,这一疾病最易导致眼盲。根据世界卫生组织的调查显示,每年约2000万人因此病而失明。一般来说,人在五六十岁时,都会出现白内障症状。患者会感觉视力越来越弱,看事物带有淡黄色调,线条模糊,甚至轮廓变形。白内障严重时,原本黑色的眼
When people are 50, they have to start facing the problem of vision loss. Invisible eyes are basically caused by three diseases: cataract, glaucoma, age-related macular degeneration. Cataracts: the most easily lead to blindness The world’s number one eye “killer” is cataracts, the most easily lead to blindness of the disease. According to the World Health Organization survey, about 20 million people are blind every year due to the disease. In general, people in the fifties and sixties, there will be cataract symptoms. Patients feel less and less vision, see things with a yellowish hue, blurred lines, and even the outline of deformation. Serious cataracts, the original black eyes