• WordNet 3.6
    • n amaurosis partial or total loss of sight without pathology of the eye; caused by disease of optic nerve or retina or brain
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Webster's Revised Unabridged Dictionary
    • n Amaurosis (Med) A loss or decay of sight, from loss of power in the optic nerve, without any perceptible external change in the eye; -- called also gutta serena, the “drop serene” of Milton.
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Century Dictionary and Cyclopedia
    • n amaurosis A partial or total loss of sight independent of any discoverable lesion in the eye itself: formerly and still sometimes called gutta, serena; by Milton “a drop serene,” P. L., iii. 25.
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Chambers's Twentieth Century Dictionary
    • n Amaurosis am-aw-rō′sis total blindness when no change can be seen in the eye sufficient to account for it; Amblyopia being partial loss of sight under similar circumstances. The old name was Gutta serena—the 'drop serene' of Paradise Lost, iii. 25
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Webster's Revised Unabridged Dictionary
Gr. , fr. dark, dim
Chambers's Twentieth Century Dictionary
Gr. amaurōsis, amauros, dark.


In literature:

Our aquarelle Sister is threatened with amaurosis, and the oculist prohibits all work at present.
"At the Mercy of Tiberius" by August Evans Wilson
AMAUROSIS, a weakness or loss of vision, the cause of which was at one time unknown.
"The Nuttall Encyclopaedia" by Edited by Rev. James Wood
Milton himself, in "Paradise Lost," hesitates between amaurosis ("drop serene") and cataract ("suffusion").
"Life of John Milton" by Richard Garnett
"Special Report on Diseases of the Horse" by United States Department of Agriculture
Cataract may be simple, or complicated with amaurosis, adhesions, etc.
"Special Report on Diseases of Cattle" by U.S. Department of Agriculture
AM'BLYOPY, dullness or obscurity of eyesight without any apparent defect in the organs; the first stage of amaurosis.
"The New Gresham Encyclopedia. Vol. 1 Part 1" by Various
Your mental sight was afflicted with amaurosis.
"The International Monthly, Volume 4, No. 4, November 1, 1851" by Various
Amaurosis is not uncommon in the dog.
"A Manual of Toy Dogs" by Mrs. Leslie Williams