Globally, 13 million children worldwide — about half of them in China — are visually impaired because of poor sight not corrected by glasses or other means, according to the World Health Organization. (sciencedaily.com)
Certain segments of Group 2 do benefit immensely from ebooks (those with poor sight who prefer bigger font sizes and those who do read on the commute). (studiotendra.com)
During the same period, the number of middle - school students, aged between 12 and 15, with extremely poor sight increased from 13.4 per cent to 20.4 per cent. (newscientist.com)