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On an improved optometer for estimating the degree of abnormal regular astigmatism

Name: On an improved optometer for estimating the degree of abnormal regular astigmatism
Author: Tweedy, John, Sir, 1849-1924

by Tweedy, John, Sir, 1849-1924 1876G General

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Story by: Tweedy, John, Sir, 1849-1924, University College, London. Library Services

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A digitised book or periodical from a research library. Written or issued by Tweedy, John, Sir, 1849-1924. Published 1876. [London : s.n.]. Catalogued under: Optometry; Ophthalmology; Astigmatism.

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On an improved optometer for estimating the degree of abnormal regular astigmatism

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