Abstract
School of Optometry, University of California Berkeley, California *Submitted on February 28, 1963, for publication in the August, 1963, issue of the American Journal of Optometry and Archives of American Academy of Optometry. †Optometrist. Ph.D. Member of faculty. Fellow, American Academy of Optometry. ‡Research Engineer. M.S., United States Bureau of Mines, San Francisco.
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