Subjects: Vision, Binocular - Digital Collections - National Library of Medicine Search Results

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1. Binocular astigmatism (?)

Author(s):: Richey, S. O. (Stephen Olin), 1849-1919 author
Publication:: [Chicago?] : [publisher not identified], [1888?]
Subject(s):: Astigmatism
Vision, Binocular

2. A simple and efficient test for binocular reading

Author(s):: Weiland, Carl, author
Publication:: [Philadelphia?] : [publisher not identified], [1894?]
Subject(s):: Vision, Binocular
Vision Tests -- instrumentation