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Unsolved Problems of Vision
It might be thought that the attention given to vision by the greatest physicists and physiologists for over a century would have left no fundamental problems to be solved. This is not so. At the Imperial College of Science and Technology a meeting of the Physical and Optical Societies has been held. A discussion took place on problems of vision in which representatives of the United States, Canada, Germany, Italy and Finland took part. Professor Peddie of Dundee pointed out that, with the single exception of the theory of light itself, there was no such prolonged and intense divergence of view as on the subject of vision. He attributed this fact to the complexity of the phenomena and to purely subjective impressions being in question. Sir John Parsons (ophthalmologist) said that the visual apparatus was exasperating to the physicist. It was an analyzing instrument similar to
LONDON. JAMA. 1932;99(6):485-486. doi:10.1001/jama.1932.02740580053017