Principles and practices of refraction :

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Document Record

Creator
Amsden, Lionel G. (Lionel George), 1861-1949., author
Title
Principles and practices of refraction : an elementary treatise on the science of refraction as applied to 'sight-testing', including essays on retinoscopy, astigmatism, ophthalmoscopy, asthenopia, frame fitting and muscular insufficiencies, etc.
Published
Toronto : Canadian Optician, [1903]
Identifier
oocihm.65597
65597
Subject
Eye -- Accomodation and refraction.
Eye -- Diseases and defects.
Eyeglasses.
Lunettes.
Oeil -- Accommodation et réfraction.
Oeil -- Maladies et défauts.
Document source
Electronic reproduction.
Notes
224 pages : illustrations ; 23 cm.
Collection
Monographs
Language
English
URL
https://www.canadiana.ca/view/oocihm.65597