Retinoscopy (or shadow test) in the determination of refraction at one meter distance, with the plane mirror /
by James Thorington.

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Main Author
Thorington, James, 1858-1944.
Language(s)
English
Published
Philadelphia : P. Blakiston's Son & Co., 1899.
Edition
3rd ed., rev. & enl.
Subjects
Refraction, Ocular.
Physical Description
xviii, 86 p. : ill. ; 21 cm.
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