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KMID : 0360220120530050689
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Journal of the Korean Ophthalmological Society
2012 Volume.53 No. 5 p.689 ~ p.693
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Research on Ocular Fatigability Induced by Multimedia and Instrument Features
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Jang Yoon-Soo
Kim Ung-Soo
Baek Seung-Hee
Kim Yong-Ran
Kong Sang-Mook
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Abstract
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Purpose: The aim of the present study was to evaluate the different features of such instruments and how they cause ocular fatigability.
Methods: Under the same settings and circumstances, 75 participants were asked to read the novel, “You without me?” in different formats including paper book, E-book (biscuit®, Interpark Inc., LG INNOTECK LTD, Korea) and LCD reader(iPad®, Apple Inc., United States). For every 10 minutes of reading, 10 minutes of rest was provided. After finishing the novel, the participants were asked to complete a questionnaire, and the data obtained were statistically analyzed using
univariate analysis.
Results: Compared to paper book readers (1.93), LCD readers (2.40) complained of insufficient lubrication in the eye (p = 0.038), and experience more letter-floating illusions (1.92) than did paper book readers (1.49) (p = 0.043). Moreover, compared to the other formats including the E-book (20%) and paper book (8%), LCD readers (72%) experienced more significant glare symptoms (n = 23) and could read at a faster rate than the other groups of readers (n = 26).
Conclusions: In the present study, the I-Pad caused ocular fatigability more easily than the other formats examined. No statistical significance of ocular discomfort or fatigability was observed among the different format groups. Further investigation with a greater number of age-controlled participants should be conducted prior to designing a study to determine the best format for reading.
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KEYWORD
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Dry eye syndrome, E-book, I-Pad, Ocular fatigability
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