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Gullstrand, Allvar (1862–1930)

Allvar Gullstrand
Allvar Gullstrand was a Swedish opthalmologist. He received the 1911 Nobel Prize in Physiology or Medicine for his contributions to dioptrics, the study of the refraction of light by the eye. He invented many important opthalmological tools, including the slit lamp, which aided the study of the structure and function of the cornea, and improved corrective lenses for use after surgery.

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