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University of California Berkeley, California *Read before the annual meeting of the American Academy of Optometry, Section of Contact Lenses and Subnormal Vision Aids, Chicago, Illinois, December 11, 1961. For publication in the October, 1962, issue of the American Journal of Optometry and Archives of American Academy of Optometry. †Optometrist. Member of faculty. Fellow, American Academy of Optometry.
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Robert B. Mandell (1962) studied this question.
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