学術雑誌論文 Determining the Optimum Font Size for Braille on Capsule Paper for Late Blind People

Watanabe, Tetsuya  ,  Kaga, Hirotsugu

5 ( 1 )  , pp.2 - 7 , 2017-01 , 映像情報メディア学会
ISSN:21867364
内容記述
To determine the optimum size of a braille font, we conducted an experiment in which a popular Japanese braille font was printed at various sizes on capsule paper and read and rated by late blind people. The results show that braille printed at 16 to 19-point sizes was read faster and rated higher than that printed at smaller or larger sizes. These optimum sizes mostly coincide with those found for young congenitally blind people. A new finding was that many reading errors that stemmed from mistaking the range of braille cells were observed at larger sizes, 20 to 22-point sizes. This means that enlarging the font size is not necessarily beneficial for late blind people and optimum sizes should be strictly selected when doing so.
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http://dspace.lib.niigata-u.ac.jp/dspace/bitstream/10191/47396/1/5(1)_2-7.pdf

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