No abstract available
Publication types
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Historical Article
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Research Support, Non-U.S. Gov't
MeSH terms
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Adult
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Child
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Equipment Design
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History, 19th Century
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History, 20th Century
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Humans
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Infant
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Ophthalmology / history
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Ophthalmology / instrumentation*
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Optics and Photonics / instrumentation
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Strabismus / diagnosis
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Strabismus / history
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Vision Tests / instrumentation