Regarding a new type of eyeglasses for patients with strabismus: The use of prismatic lenses for the cure of squint, tested physiologically. 1847-1848.
Krecke
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Donders
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D005139:Eyeglasses / Q000266:history*; D049672:History, 19th Century; D006801:Humans; D009426:Netherlands; D013285:Strabismus / Q000266:history* / Q000628:therapy