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KMID : 1011420130180010045
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Journal of Korean Ophthalmic Optics Society
2013 Volume.18 No. 1 p.45 ~ p.51
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Comparison of Induced Aniseikonia with Influential Factors
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Jung Su-A
Kim Hyun-Jung
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Abstract
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Purpose: This study was performed to provide indicator of expected aniseikonia by correcting refractive error and to investigate influential factors on aniseikonia. Methods: 20 college students (14 males, 6 females, a mean age of 22.50±2.72 years) were selected as subjects whose refractive error with spherical equivalent were within ±0.50 D, corrected visual acuity were more than 1.0, and aniseikonia values by AWAYA were less than 1%. After correcting refractive error with spectacles in anisometropia induced by wearing contact lens on their dominant eye or non-dominant eye, practical measured values of aniseikonia were compared with theoretical expected values of it by the formula of spectacle magnification. Results: Practical measured values were higher than theoretical expected values in induced aniseikonia over the whole range of diopter of wearing contact lens. And there was higher measured value of aniseikonia in case of higher diopter of wearing contact lens to induce anisometropia and correcting refractive error with spectacles of (+) diopter after wearing contact lens of (-) diopter to induced anisometropia in dominant eye of women. Conclusions: It is considered that dominant eye plays more important role for visual function in induced aniseikonia and factors such as the induced eye of aniseikonia, the diopter of wearing contact lens, and gender have influenced on aniseikonia.
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KEYWORD
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Aniseikonia, Anisometropia, Dominant eye, Non-dominant eye
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