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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
Books
Online
Astigmatismus und cylindrische Glaeser / von F.C. Donders.
Donders F. C. (Franciscus Cornelis), 1818-1889.Date: 1862
Books
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On some forms of headache / by R. H. Elliot.
Elliot, Robert Henry, 1864-1936.Date: [1907]
Books
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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
Books
Healthy eyes / by Willis S. Knighton.
Knighton, Willis S.Date: 1940
Books
Online
Amblyopie intense occasionnée par un cas d'astigmatisme mixte double très fort et guérie par l'emploi de verres bi-cylindriques / par Henri Fischer.
Fischer, Henri.Date: 1901
Books
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Die Diagnose des Astigmatismus durch die quantitative Farbensinnprüfung / von Dr. Boehm.
Date: [1887]
Books
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Astigmatisme en cilindrische glazen / door F.C. Donders.
Donders, F. C. (Franciscus Cornelis), 1818-1889.Date: 1862
Books
Online
On an improved optometer for estimating the degree of abnormal regular astigmatism / by John Tweedy.
Tweedy, John, 1849-1924.Date: [1876]
Books
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De l'astigmatisme / par A. Imbert.
Imbert, A.Date: 1883
Books
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On an improved optometer for estimating the degree of astigmatism and other errors of refraction / by John Tweedy.
Tweedy, John, 1849-1924.Date: [1886]
Books
Online
Des inflammations de l'oeil et de ses annexes occasionnées par l'astigmatisme / par Georges Martin.
Martin, Georges.Date: 1884
Books
Online
Myopie, hyperopie, astigmatisme / par Georges Martin.
Date: 1895
Books
Online
De richting der hoofdmeridianen van het astigmatische oog / door H. Snellen.
Snellen, H. (Herman), 1834-1908.Date: [1869]
Books
Online
The function of the oblique muscles in certain cases of astigmatism / by G.C. Savage.
Savage, G. C. (Giles Christopher), 1854-1930.Date: 1887
Books
Online
Ophthalmic contributions / by George Strawbridge.
Strawbridge, George, 1844-1914.Date: 1873

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The principles and methods of geometrical optics : especially as applied to the theory of optical instruments / by James P. C. Southall.

Astigmatismus und cylindrische Glaeser / von F.C. Donders.

On some forms of headache / by R. H. Elliot.

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.

Thomas Young discovering astigmatism by measuring his own eyes, 1801. Colour oleograph after W.F. Soare.

Healthy eyes / by Willis S. Knighton.

Amblyopie intense occasionnée par un cas d'astigmatisme mixte double très fort et guérie par l'emploi de verres bi-cylindriques / par Henri Fischer.

Die Diagnose des Astigmatismus durch die quantitative Farbensinnprüfung / von Dr. Boehm.

Astigmatisme en cilindrische glazen / door F.C. Donders.

On an improved optometer for estimating the degree of abnormal regular astigmatism / by John Tweedy.

De l'astigmatisme / par A. Imbert.

On an improved optometer for estimating the degree of astigmatism and other errors of refraction / by John Tweedy.

Des inflammations de l'oeil et de ses annexes occasionnées par l'astigmatisme / par Georges Martin.

Myopie, hyperopie, astigmatisme / par Georges Martin.

De richting der hoofdmeridianen van het astigmatische oog / door H. Snellen.

The function of the oblique muscles in certain cases of astigmatism / by G.C. Savage.

Ophthalmic contributions / by George Strawbridge.