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Start Over You searched for: Collections Medicine in the Americas, 1610-1920 Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Refractive Errors Remove constraint Subjects: Refractive Errors Authors Fenner, C. S. (Christopher Smith), 1823-1879, author Remove constraint Authors: Fenner, C. S. (Christopher Smith), 1823-1879, author

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2. Vision: its optical defects, and the adaptation of spectacles : embracing first, physical optics, second, physiological optics, third, errors of refraction and defects of accommodation, or optical defects of the eye : with seventy-four illustrations on wood and selections from the test-types of Jaeger and Snellen