To the Editor: Stereopsis is an important cue for depth perception,yet it can be a hindrance to an artist trying to depict a three-dimensionalscene on a flat surface. Art teachers often instruct studentsto close one eye in order to flatten what they see. Therefore,stereoblindness might not be a handicap — and might evenbe an asset — for some artists. Stereopsis requires precisealignment of the two eyes. We examined a number of self-portraitsof Rembrandt, an artist known for his astute powers of observation,and noticed that many of them show his eyes as exotropic, . . . [Full Text of this Article]
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