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KMID : 1011420090140020041
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Journal of Korean Ophthalmic Optics Society
2009 Volume.14 No. 2 p.41 ~ p.46
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Relationship Between the Degree of Exophoria and Stereoacuity
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Shin Hoy-Sun
Lee Sun-Haeng
Yun Mi-Ok
Kim Mi-Yeon
Bae Hong-Sup
Park Sang-Chul
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Abstract
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Purpose: Stereopsis is one of primary characteristics for assessment of binocular function. The purpose of this study was to determine the possible relationship between the degree of exophoria and stereoacuity at near.
Methods: 110 exophores (male n=71, female n=39, mean age?SD=11.30?1.47 years) without amblyopia, strabismus, and ocular and systemic pathology were studied. Subjects were also excluded if they had visual acuity poorer than 0.8 in either eye or vertical phoria greater than 1 prism diopter. Clinical tests were performed for near phorias by von Graefe technique using a Digital Refractor (CDR-3100, Huvitz, Korea) with chart (Predio CDC-4000, Huvitz, Korea), and for stereoacuity using the Titmus fly.
Results: A one-way analysis of variance revealed that mean values of the stereoacuity classified according to the degrees of the exophoria were not significantly different (p>0.05).
Conclusions: Based on the result of this study, it was found that there was no relationship between the degree of exophoria and stereoacuity.
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KEYWORD
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Stereoacuity, Exophoria, Binocular function
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