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KMID : 0213520170310030202
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Korean Journal of Ophthalmology
2017 Volume.31 No. 3 p.202 ~ p.208
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Korean Version Self-testing Application for Reading Speed
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Rhiu Soo-Lie-Nah
Kim Mo-Ses
Kim Jae-Hyung
Lee Hye-Jin
Lim Tae-Hyung
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Abstract
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Purpose: This study introduces a reading chart application for the iPad tablet in the Korean language and investigates the reading speed in a normal-sighted population according to age group.
Methods: Sixty-three Korean sentences were selected from textbooks for second grade elementary school students. A commonly used typeface in everyday printed material, “BatangChe,” was used. Letter size was presented in logarithm of the minimum angle of resolution (logMAR) 0.0 to 1.0 at 0.1 logMAR steps at a reading distance of 40 cm. A third generation retina display iPad was used to present the chart, and the sentences were presented randomly for each size of letter. The subjects repeated the test silently (reading only) and out loud (reading and speaking) to prevent them from skipping reading words. Pilot testing followed in 65 normal vision adults under 60 years of age.
Results: The mean reading only speed for logMAR 0.5 optotype (point 10) was 121.1 ± 47.2 words per minute (wpm) for people in their 20s (n=21), 116.5 ± 38.3 in their 30s (n=27), 93.8 ± 12.6 in their 40s (n=9), and 56.5 ± 42.7 (n=8) in their 50s. There was a significant correlation between age and reading and speaking speed (r=-0.48, p<0.001). The mean reading only speed for logMAR 0.5 optotype (point 10) was 202.3 ± 88.4 wpm and the mean reading and speaking speed was 129.7 ± 25.9 wpm, with significantly different (p<0.001).
Conclusions: This Korean reading chart application could present a new standard when checking reading speed according to age groups.
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KEYWORD
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App, Application, iPad, Korean, Reading speed
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