Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham, known in the West asAlhazen, c. 965 – c. 1040 ce, is considered as “the father of optics and describer of vision theory”.
“He is the first medical scholar who teaches that light “does not originates from the eye but on opposite enters the eye” [sic], and in that manner corrects the wrong opinion of the Greeks about the nature of vision. According to this scholar retina is the center of vision and the impressions that it receives are transferred to the brain by the optical nerve, in order that brain afterwards create visual image in the symmetrical relationship for both retinas.”
Source: US National Library of Medicine, National Institutes of Health Resources
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