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Start Over Authors Thorington, James, 1858-1944, author ✖Remove constraint Authors: Thorington, James, 1858-1944, author Titles Retinoscopy (or shadow test) in the determination of refraction at one meter distance, with the plane mirror ✖Remove constraint Titles: Retinoscopy (or shadow test) in the determination of refraction at one meter distance, with the plane mirror Dates by Range 1850-1899 ✖Remove constraint Dates by Range: 1850-1899

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