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KMID : 1159320230250020089
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Korean Journal of Vision Science
2023 Volume.25 No. 2 p.89 ~ p.98
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Analysis of Exophoria and Fixation Disparity before and after Vision Training according to Gender
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Jang Hee-Jeong
Kang Joong-Gu
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Abstract
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Purpose : In this study, we tried to find out the effect of gender differences on fixation disparity before and after vision training for men and women with far and near exophoria in vision training in various methods of visual performance.
Methods : A total of 30 subjects, male and female in their 20s, had a corrected visual acuity of 1.0 or higher in both eyes, and strabismus, amblyopia were excluded. Binocular visual function tests and gaze disparity tests were conducted before and after vision training, and among them, the reduction in exophoria volume and the improvement in gaze disparity before and after vision training of subjects with exophoria were compared and analyzed according to gender.
Results : The reduction in exophoria by males and females (male: 11 persons, female: 16 persons) before and after distance vision training was significantly reduced by 1.50±0.79 ? after vision training in men (p=0.046). The degree of exophoria was significantly reduced (p=0.005) to 1.56±0.50 ? after visual function training in females. On the other hand, men showed a significant decrease (p=0.042) in gaze lag to 6.70±2.29, but there was no significant decrease (p=0.655) in women, 3.49±0.89. As for the reduction in exophoria by men and women (male: 14 persons, female: 14 persons) before and after near vision training, the degree of exophoria decreased significantly (p=0.036) by 5.50±1.56 ? after vision training in males and females, the degree of exophoria significantly decreased (p=0.004) to 4.28±0.88 ? after vision training. On the other hand, in the fixation disparity test, males showed a significant decrease (p=0.031) to 4.96±1.03, but there was no significant decrease (p=0.655) in females to 3.37± 0.92.
Conclusion : As for the fixation of exophoria according to gender, it was confirmed that fixation was reduced in males than in feamales after vision training.
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KEYWORD
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Exophoria, Fixation disparity, Gender, Vision training
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