著者根据五年动态观察认为:一、该校102名小学生的视力不良率随着学年的增加而不断上升,入学时视力不良率为2.94%,至五年毕业时已上升为26.47%,增长了8倍。二、视力不良分度构成比亦不断变动,入学时轻度为100%,以后轻度比例不断下降,中、重比例逐年上升,至毕业时轻度为2.0%,中度为64.0%,重度为34.0%。三、著者观察的102名小学生 According to the five-year dynamic observation, the author thinks: (1) The rate of poor eyesight among 102 primary school students in the school increased with the increase of the school year. The rate of bad eyesight was 2.94% at the time of admission and rose to 26.47% 8 times. Second, the composition of visually impaired graduation ratio has also changed, with a mild degree of 100% at admission. Since then, the mild proportion has been declining. The proportion of middle-and-heavy students has risen year by year, with a slight increase of 2.0% at graduation and a moderate degree of 64.0% 34.0%. Third, the author observed 102 primary school students