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KMID : 1011420180230030249
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Journal of Korean Ophthalmic Optics Society
2018 Volume.23 No. 3 p.249 ~ p.259
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Comparison of Visual Function between Dominant and Non-dominant Eye in Monocular Eye
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Jung Su-A
Kim Hyun-Jung
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Abstract
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Purpose: This study aimed to understand basic characteristics of visual function by comparing monocular visual function of dominant and non-dominant eye.
Methods: 40 subjects in twenties (average age 22.78±1.90 years) were selected as subjects for this study. Various tests for monocular visual function (subjective refraction, visual acuity, accommodation, contrast sensitivity, visual field and readable visual field, intraocular pressure) were implemented to compare visual function of dominant and non-dominant eye. The subjects are divided into three group (Low, Middle,High) based on the result by degree of eye dominance level of subject. Monocular visual function of dominant and nondominant eye for each group were compared, visual function were also compared between dominant eyes and between non-dominant eyes respectively according to degree of eye dominance level.
Results: As a result of comparison of various monocular visual function in dominant and non-dominant eye, most visual function of dominant and nondominant eye were almost similar and there was no statistically significant difference (p>0.05). Difference in visual function of dominant and non-dominant eye according to each group divided by degree of eye dominance level was not statistically significant (p>0.05). There was also no statistically significant difference in each visual function between dominant eyes and between non-dominant eyes by degree of eye dominance level (p>0.05).
Conclusions: In order to understand characteristics of dominant eye, further study such as studies on binocular visual function, rather than comparing monocular visual function, would be needed because monocular visual function of dominant and nondominant eye was similar.
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KEYWORD
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Dominant eye, Non-dominant eye, Monocular visual function, Degree of eye dominance
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