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人至老年期,随着年龄增长而愈感视力下降,工作和生活受到很大影响。据大江氏对524名60岁以上的老年人视力调查结果,发现岁60年龄平均视力0.6;70岁平均为0.3;80岁以上为0.2。因此,探讨老年人视力的下降原因并寻找有效的防治措施具有很大意义。1986年10～11月间,我们进行防盲流调在济南市区司里街、所里街调查1756人,其
People to old age, with age, the more sense of decreased vision, work and life are greatly affected. According to the results of a survey conducted by Otsuka on 524 elderly people over the age of 60, the mean visual acuity of 60 years of age was found to be 0.6; the average age of 70 was 0.3; and those over the age of 80 were 0.2. Therefore, it is of great significance to explore the reasons for the decline of vision in the elderly and to find effective prevention and control measures. From October to November 1986, we conducted a series of anti-blind refurbishment in the divisions of Siri Street in Jinan City, where 1,756 people were surveyed