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KMID : 1159320160180040587
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Korean Journal of Vision Science
2016 Volume.18 No. 4 p.587 ~ p.595
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Study on Eye Movement and Reading Ability for Normal Subjects Wearing the Preferred Color Filter Lenses
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Shin Cheol-Geun
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Abstract
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Purpose: The purpose of this study was to investigate the effect of the preferred color filter lens on the tracking ability and reading ability in normal subjects.
Methods: Twenty-three young adults with no color abnormality and weak myopia participated in this study. After choosing the preferred color and the non - preferred color from the 8 colors(Aqua, Blue, Violet, Magenta, Purple, Orange, Green, and Yellow) of the ChromaGenTM lens, they were tested for fixation per 100 words, regression per 100 words and sentence comprehension using eye movement checker(ReadalyzerTM, Sweden).
Results: The preferred color was blue, accounting for 26.1% and the average frequency fixation with the preferred color increased by 23.7±23.65 times(p<0.01, t=-4.69), regression of eye movement per 100 words increased by 23.7±23.65(p<0.01, t=-4.69) times, sentence comprehension increased by 7.9±6.1(p<0.01, t=-6.17)times, which were statistically significant. The Pearson correlation coefficient for the uncorrected state and the preferred color filter lens was highly correlated with the fixation frequency(r=0.87, p<0.01) and the number of regressions(r=0.96, p=0.00) but sentence comprehension(r=0.20, p=0.01) was not high.
Conclusions: When the normal person read book with their preferred color filter lenses, they were able to improve the concentration and sentence comprehension by repetition of fixation and the backward movement of eye movements.
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KEYWORD
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Color filter lens, Eye movement tracker, Reading ability, Sentence comprehension
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