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KMID : 1011420100150010061
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Journal of Korean Ophthalmic Optics Society
2010 Volume.15 No. 1 p.61 ~ p.66
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The Study of Vertical Fixation Disparity by Fixation Disparity Card
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Park Hyun-Joo
Yoon Young
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Abstract
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Purpose: This study was performed to determine vertical fixation disparity by Fixation Disparity Card. The purpose of this study was to investigate distribution of the curve types obtained with Wesson card.
Methods: Fixation disparity curves were measured on 52 subjects with the Wesson fixation disparity card. A fixation disparity curve was an x, y coordinate plot of the angular amount of fixation disparity as a function of the power of prisms through which the patient views. The fixation disparity curve variables that were used to aid in the diagnosis and management of binocular vision disorders included the x-intercept, y-intercept, curve slope and curve type.
Results: Vertical fixation disparity curves by Wesson Fixation Disparity Card were very various.
Conclusions: Vertical fixation disparity curves could be used to aid in the diagnosis and prescription.
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KEYWORD
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Wesson card, vertical fixation disparity
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