By Stephen P. Rice ~ Originally published in Hidden Treasure: The National Library of Medicine, 2011. This multilingual eye-test chart, published in 1907, was the
By Hannah Landecker ~ Originally published in Hidden Treasure: The National Library of Medicine, 2011. Most people have two eyes directed forward. In ophthalmology textbooks
An interview with William D. Adams, PhD on his NLM History Talk and his research on visual perception and art.
By Ginny A. Roth ~ January is National Braille Literacy Month, which occurs every year in honor of the birth of Louis Braille born January