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KMID : 1011420140190040539
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Journal of Korean Ophthalmic Optics Society
2014 Volume.19 No. 4 p.539 ~ p.550
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The Change After Visual Training of Forced Vergence Fixation Disparity Curve
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Choi Sun-Mi
Lee Ki-Young
Park Hyun-Ju
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Abstract
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Purpose: This research was designed to figure out if there are changes based on types of vergence fixation disparity curve after optical correction and vision training to for people with steep slope of forced vergence fixation disparity curve and symptoms.
Methods: For 30 subjects out of 91 subjects, who have steep slopes of fixation disparity curve examined with Wesson Fixation Disparity Card and symptoms about steep slope of fixation disparity curve, proper vision training was offered for 5 weeks.
Results: After Vision training for 30 people with the symptoms of type I, II, III, IV for 5 weeks, slope of fixation disparity curve was significantly changed (p=0.013), and the results of binocular vision test and subjective symptoms were also significantly improved.
Conclusions: Vision training can not only affect the change of fixation disparity curve, but also relieve the symptoms. Fixation disparity curve has lots of visual function information of the subject and can be suggested as a guideline for prescribing.
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KEYWORD
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Fixation disparity, Associated phoria, Slope of fixation disparity curve, Type of fixation disparity curve, Vision training
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