孙吉贵,舒雪华,徐淑明,朱萍.成都市6905名中小学生视力调查[J].Chinese journal of Epidemiology,1987,8(5):285-287 |
成都市6905名中小学生视力调查 |
A Study on Vision of 6905 Pupils in Primary and Middle School in Chengdu |
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KeyWord: 视力 视力调查 平均视力 正常视力 视力减退 视力最佳年龄 |
English Key Word: Visual acuity Investgation of visual acuity Mean visual acuity Normal vision Decreased visual acuity The best visual acuity age |
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Abstract: |
本文对成都市6905名中小学生视力调查表明,平均视力为1.23,优良视力占检查眼数的67.47%,正常视力占总检眼数的81.44%(其中优良视力为67.67%),视力减退占18.56%。8岁是此次调查的视力最佳年龄。视力减退率中学生高于小学生,重点小学学生高于一般小学生。 |
English Abstract: |
A study of epidemiological survey on the vision of 6905 Primary and Middle School Pupils in Chengdu, 1984 was reported. The average vision of them was 1.23, 81.44% normal (with 67.47% excellent and good) and 18.56% reduced. The best vision in this category was a the 8-year-old group and there was a gradual decrease of vision along with the increase of age. The prevalence rate of vision reduction of the pupils in Middle School was higher than that of the Pupils in the Primary School (χ2=537.5, P<0.01): and the same reduction of the Pupils in the Key Primary School was higher than that of the pupils in Common Primary School (χ2=9.66, P<0.01). There was no sex difference either in Primary or Middle school pupils. |
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