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近年来,青少年近视已成为学生中最突出的常见病。1981年6月我们在阜阳一中对1032名学生进行了视力调查。调查方法一、视力检查:用日光灯40瓦照明,采用对数视力表,统计换算为国际标准视力表(换算方法按上海眼病防治所规定)。表中1.0高
In recent years, juvenile myopia has become the most prominent student of the common disease. June 1981 We conducted a vision survey of 1032 students in Fuyang One. Survey methods First, visual inspection: 40 W fluorescent lighting, the use of logarithmic visual acuity chart, the statistical conversion of the international standard visual acuity chart (conversion method according to Shanghai Eye Disease Prevention and Control regulations). 1.0 high in the table