Home / Scholars index / Ali ibn Isa al-Kahhal
Medicine & Pharmacy
Ali ibn Isa al-Kahhal
Pioneer of Ophthalmology — 10th century CE
Author of the Memorandum for Oculists, the most famous book in eye medicine for six centuries, translated into Latin, Hebrew and Greek. He described cataract operations with silver suction tubes and classified eye diseases with a rigorous method whose terminology is still the basis of medical classification.