Amaurosis : clinical lectures on some of the principal diseases of the eye, delivered at the New York Medical College, 1854 / by Isidor Glück.

  • Glück, Isidor.
Date:
1855
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Licence: Public Domain Mark

Credit: Amaurosis : clinical lectures on some of the principal diseases of the eye, delivered at the New York Medical College, 1854 / by Isidor Glück. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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    CLINICAL LECTURES ON SOME OF THE PRINCIPAL DISEASES OF THE EYE. DELIVERED AT THE NEW YORK MEDICAL COLLEGE 18 5 4. ISIDOR GLUCK, M.D., CORRESPONDING FELLOW OF THE MEDICAL SOCIETY OF [From tbe American Medical Monthly, January, 1865.] ^Amaurosis, Amblyopia, Subjective and Objective Light, Myopia, Presbyopia, etc. Gentlemen ! The natural range of the eye almost exceeds belief. The distance of the smallest stars distinctly visible to the naked eye is known to be such, that light, which trav- els at the rate of nearly 200,000 miles per second, occupies one hundred and twenty years in coming from them to the earth.* The unaided eye, therefore, gives us the survey of a sphere around us of that scarcely conceivable radius. But this power of vision may be materially injured by seemingly small morbid changes, scarcely appreciable ; or even destroyed by an appa- rently unaltered structure of the parts constituting the organ of sight, or may be impeded or annihilated in consequence of mor- bid alterations of the functions of the various organs, reacting by means of the vascular or nervous systems on the eye itself. If we reflect that the majority of the different diseases of the eye (with the exception of traumatic diseases produced by me- chanical or chemical causes) are attributable to general consti- * Arago.