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Author: WikiMatrix

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English[en]
The first theory, the emission theory, was supported by such thinkers as Euclid and Ptolemy, who believed that sight worked by the eye emitting rays of light.
Korean[ko]
첫 번째 이론인 방출 이론은 에우클레이데스와 프톨레마이오스가 주장하였는데, 눈에서 빛이 나감으로써 시각이 작용한다는 이론이었다.

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