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KMID : 1011420090140030051
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Journal of Korean Ophthalmic Optics Society
2009 Volume.14 No. 3 p.51 ~ p.57
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Assessment of Accommodative Facility in General Binocular Dysfunctions
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Park Sang-Chul
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Abstract
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Purpose: The purpose of this study was to determine if monocular and binocular accommodative facility tests would be useful in diagnosing general binocular dysfunctions.
Methods: 95 symptomatic children, who were elected from comprehensive vision tests, were classified into four groups (29 subjects with accommodative dysfunctions, 28 subjects with vergence dysfunctions, 25 subjects with combined accommodative and vergence dysfunctions, 13 subjects with normal binocular functions). Monocular and binocular accommodative facility was measured with ±2.00 D flipper lenses.
Results: Statistical analysis revealed that binocular accommodative facility measurement was significantly lower than monocular accommodative measurement in the vergence dysfunction group (p<0.01). However, there were no differences between monocular and binocular accommodative facility measurements in the group of accommodative or combined accommodative and vergence dysfunction (p>0.05). In addition, subjects with general binocular dysfunctions performed significantly poorer than subjects with normal binocular function on monocular and binocular accommodative facility (p<0.000).
Conclusions: As a result of this study, monocular and binocular accommodative facility test, which could differentiate dysfunction from normal as well as between dysfunctions, indicated useful means for diagnosis of general binocular dysfunctions.
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KEYWORD
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Accommodative dysfunction, binocular accommodative facility, general binocular dysfunction, monocular accommodative facility, vergence dysfunction
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