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The Collaborative International Dictionary
Amaurosis

Amaurosis \Am`au*ro"sis\, n. [Gr. ?, fr. ? dark, dim.] (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.

Wiktionary
amaurosis

n. Any form of blindness that is accompanied by no obvious change to the eye; often the result of disease of the optic nerve

WordNet
amaurosis

n. partial or total loss of sight without pathology of the eye; caused by disease of optic nerve or retina or brain

Wikipedia
Amaurosis

Amaurosis (Greek meaning darkening, dark, or obscure) is vision loss or weakness that occurs without an apparent lesion affecting the eye. It may result from either a medical condition or from excess acceleration, as in flight. The term is the same as the Latin gutta serena.

Usage examples of "amaurosis".

He went to the bathroom to wash his hands, but this time he did not ask the mirror, metaphysically, What can this be, he had recovered his scientific outlook, the fact that agnosia and amaurosis are identified and defined with great precision in books and in practice, did not preclude the appearance of variations, mutations, if the word is appropriate, and that day seemed to have arrived.

He checked the indexes and methodically began reading everything he could find about agnosia and amaurosis, with the uncomfortable impression of being an intruder in a field beyond his competence, the mysterious terrain of neurosurgery, about which he only had the vaguest notion.

In the examination of cases of the untoward effects of quinin upon the eye, Knapp of New York found the power of sight diminished in various degrees, and rarely amaurosis and immobility of the pupils.

The patient recovered in four months, but suffered from amaurosis which had commenced at the time of the stab.

Lafontaine, Schlegel, and Hartman all assure us that the section of the affected masses before this time has been known to be followed by amaurosis, convulsions, apoplexy, epilepsy, and even death.

It is excellent in neuralgia, epilepsy, mania, amaurosis, whooping-cough, stricture, rigidity of the os uteri, and is supposed by some to be a prophylactic or preventive of Scarlet Fever.

A strange case turned up at the surgery today, it might be a variant of psychic blindness or amaurosis, but there appears to be no evidence of any such symptoms ever having been established, What are these illnesses, amaurosis and that other thing, his wife asked him.

A white amaurosis, apart from being etymologically a contradiction, would also be a neurological impossibility, since the brain, which would be unable to perceive the images, forms and colours of reality, would likewise be incapable, in a manner of speaking, of being covered in white, a continuous white, like a white painting without tonalities, the colours, forms and images that reality itself might present to someone with normal vision, however difficult it may be to speak, with any accuracy, of normal vision.

It is excellent in neuralgia, epilepsy, mania, amaurosis, whooping-cough, stricture, rigidity of the os uteri, and is supposed by some to be a prophylactic or preventive of Scarlet Fever.