Refractive error characterized by the optics of the eye to focus a point object into a sharp focused image on the retina, has_symptom blurred vision.
Wikidata
Source:
Astigmatism
Works from the collections
19 works
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- Online
The principles and methods of geometrical optics : especially as applied to the theory of optical instruments / by James P. C. Southall.
Southall, James P. C. (James Powell Cocke), 1871-1962.Date: 1913
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Astigmatismus und cylindrische Glaeser / von F.C. Donders.
Donders F. C. (Franciscus Cornelis), 1818-1889.Date: 1862
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On some forms of headache / by R. H. Elliot.
Elliot, Robert Henry, 1864-1936.Date: [1907]
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The harmonius symmetrical action of the oblique muscles in all cases of oblique astigmatism : read before the Nashville Academy of Medicine, January 15, 1891 / by G. C. Savage.
Savage, G. C. (Giles Christopher), 1854-1930.Date: [1891]- Pictures
Thomas Young discovering astigmatism by measuring his own eyes, 1801. Colour oleograph after W.F. Soare.
Soare, William Fuller.Date: [between 1900 and 1999]Reference: 2897051i