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Internal Astigmatism and Its Role in the Growth of Axial Length in School-Age Children
Joint Authors
Zhou, Xingtao
Wu, Liangcheng
Weng, Chenghai
Xia, Fei
Wang, Xiaoying
Source
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-5, 5 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-04-18
Country of Publication
Egypt
No. of Pages
5
Main Subjects
Abstract EN
Objectives.
To explore the role of internal astigmatism (IA) in the growth of axial length (AL) in school-age children.
Methods.
Total astigmatism (TA), corneal astigmatism (CA), and AL of all children in Jing’an District 2nd Centre Primary School in Shanghai were measured.
In IA, the difference between TA and CA was also calculated using vector analysis.
The association of axial length with IA, genders, and age was analyzed using linear regression.
The difference of IA between both eyes was also calculated.
The AL between both eyes was compared using paired samples t-test when DIA = 0 D, <0.5 D, and ≥0.5 D.
Results.
Six hundred and twelve cases (98.23%) in 623 children aged 7–12 yrs older entered into the study.
Genders, age, and IA all affected AL.
This could be represented by a linear regression line in the form AL = 21.46 − 0.43∗gender + 0.22∗age + 0.46∗IA (male = 1, female = 2; t=7.01, P<0.01 for sex; t=11.6, P<0.01 for age; and t=6.6, P<0.01 for IA; R2=0.16).
The AL in the eye with larger IA was also longer when DIA was larger than 0.5 D (t=2.65, P<0.01).
Conclusions.
IA was observed to be associated with AL and might be a risk factor of the onset and progress of myopia in school-age children.
American Psychological Association (APA)
Wu, Liangcheng& Weng, Chenghai& Xia, Fei& Wang, Xiaoying& Zhou, Xingtao. 2018. Internal Astigmatism and Its Role in the Growth of Axial Length in School-Age Children. Journal of Ophthalmology،Vol. 2018, no. 2018, pp.1-5.
https://search.emarefa.net/detail/BIM-1196202
Modern Language Association (MLA)
Wu, Liangcheng…[et al.]. Internal Astigmatism and Its Role in the Growth of Axial Length in School-Age Children. Journal of Ophthalmology No. 2018 (2018), pp.1-5.
https://search.emarefa.net/detail/BIM-1196202
American Medical Association (AMA)
Wu, Liangcheng& Weng, Chenghai& Xia, Fei& Wang, Xiaoying& Zhou, Xingtao. Internal Astigmatism and Its Role in the Growth of Axial Length in School-Age Children. Journal of Ophthalmology. 2018. Vol. 2018, no. 2018, pp.1-5.
https://search.emarefa.net/detail/BIM-1196202
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1196202