Investigations on the Poor Vision and Ametropia among Primary School Students in Xundian County of Yunnan Province in 2019

Guang-yong TANG; Lin-guo WANG; Ya-fei MA; Chao-sheng HUANG; Ni PAN; Jing-yao CHEN

doi:10.12259/j.issn.2095-610X.S20210512

Volume 42 Issue 5

May 2021

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Guang-yong TANG, Lin-guo WANG, Ya-fei MA, Chao-sheng HUANG, Ni PAN, Jing-yao CHEN. Investigations on the Poor Vision and Ametropia among Primary School Students in Xundian County of Yunnan Province in 2019[J]. Journal of Kunming Medical University, 2021, 42(5): 64-69. doi: 10.12259/j.issn.2095-610X.S20210512

Citation:

Guang-yong TANG, Lin-guo WANG, Ya-fei MA, Chao-sheng HUANG, Ni PAN, Jing-yao CHEN. Investigations on the Poor Vision and Ametropia among Primary School Students in Xundian County of Yunnan Province in 2019[J]. Journal of Kunming Medical University, 2021, 42(5): 64-69. doi: 10.12259/j.issn.2095-610X.S20210512

Citation:

Guang-yong TANG, Lin-guo WANG, Ya-fei MA, Chao-sheng HUANG, Ni PAN, Jing-yao CHEN. Investigations on the Poor Vision and Ametropia among Primary School Students in Xundian County of Yunnan Province in 2019[J]. Journal of Kunming Medical University, 2021, 42(5): 64-69. doi: 10.12259/j.issn.2095-610X.S20210512

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Investigations on the Poor Vision and Ametropia among Primary School Students in Xundian County of Yunnan Province in 2019

doi: 10.12259/j.issn.2095-610X.S20210512

1.
Dept. of Ophthalmology and Otorhinolaryngology，The First People’s Hospital of Xundian，Xundian Yunnan 655200
2.
Dept. of Ophthalmology，Yan An Hospital Affiliated to Kunming Medical University，Kunming Yunnan 650051，China

Received Date: 2021-01-25
Available Online: 2021-06-08
Publish Date: 2021-05-20

Abstract

Abstract

Objective To investigate the poor vision and ametropia of primary school students in Xundian County, Yunnan Province in 2019. Methods From November 2018 to November 2019, a total of 3, 764 students in 30 classes from grade one to grade five in six primary schools were selected in Xingdian county by using a stratified random sampling method.The rate of poor vision and the composition of ametropia were analyzed, and the differences of the total and each ametropia in gender and grade were compared by rank sum test. Results 1392 children with poor vision were detected, with an average rate of 36.98%. The proportion of myopia in girls （15.25%） was higher than that in boys （12.65%）, the difference was statistically significant （P < 0.01）. The proportion of myopia in the total number of students gradually increased from 14.23% （grade 1） to 44.61% （Grade 5）, the difference was statistically significant （P < 0.01）. The proportion of myopia in girls in grade 3 and 5 （17.19%, 24.66%） was higher than that in boys in the same grade （10.73%, 19.95%）, the difference was statistically significant （P < 0.01）. The proportion of hyperopia decreased rapidly in grade 3 （10.41%）, and the difference was statistically significant compared with grade 1 and grade 2 （P < 0.01）. The proportion of astigmatism was the highest in grade 5 （17.43%）, and the difference was statistically significant compared with grade 1, 2 and 4 （P < 0.01）. Conclusion In the six primary schools in Xundian County, myopia is the main factor of poor eyesight and the main reason for its change.Among various types of refractive errors and female students have more problems than male students.
- Poor vision,
- Ametropia,
- Primary school students,
- Investigation

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References(13)

References

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