Gullstrand, Allvar

Gullstrand, Allvar (äl`vär gŭl`stränd), 1862–1930, Swedish ophthalmologist. He was professor (1894–1927) successively of eye therapy and of optics at the Univ. of Uppsala. He applied the methods of physical mathematics to the study of optical images and of the refraction of light in the eye. For this work he received the 1911 Nobel Prize in Physiology or Medicine. He is noted also for his research on astigmatism and for improving the ophthalmoscope and corrective lenses for use after removal of a cataract from the eye.

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Gullstrand, Allvar

(born June 5, 1862, Landskrona, Swed.—died July 28, 1930, Stockholm) Swedish ophthalmologist. He contributed to knowledge of the cornea and of astigmatism, improved post-cataract-surgery corrective lenses, and devised the Gullstrand slit lamp, a valuable diagnostic tool for detailed study of the eye. He won a 1911 Nobel Prize for Physiology or Medicine for research on the eye as a light-refracting apparatus.