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KMID : 1159320140160030319
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Korean Journal of Vision Science
2014 Volume.16 No. 3 p.319 ~ p.327
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The Effect of Spectacle Correction on Stereoacuity in Anisometropia
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Kim Su-Jin
Kang Joong-Gu
Leem Hyun-Sung
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Abstract
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Purpose: In this study, the effects of the correction of anisometropia by spectacle on binocular function were investigated as measuring degree of aniseikonia and stereoacuity in anisometropes.
Methods: A study was performed on 57 subjects(20 males and 37 females), without ocular diseases, who had corrected visual acuity higher than 0.8 and had the difference of more than 1D between refraction errors of both eyes. This study excluded the patients who had amblyopia, phoria, and strabismus. All participants were required to perform BCVA, manifest refraction, alternate cover-uncover test for ocular alignment, axial length of the eye. Also, the degree of aniseikonia was measured using Aniseikonia Inspector and the level of stereoacuity was measured by Titmus fly test.
Results: The research showed that the degree of aniseikonia significantly increased as its anisometropia increased and there was a significant correlation between the degree of aniseikonia and stereoacuity. The level of stereoacuity was better for anisometropes who wearing spectacle than not wearing them.
Conclusions: In conclusion, anisometropia has an important effect on aniseikonia and there is a significant correlation between the degree of aniseikonia and stereoacuity in anisometropes.
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KEYWORD
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Anisometropia, Aniseikonia, Stereoacuity
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