Lexic.us

Definition of Night blindness

1. Noun. Inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder.

Definition of Night blindness

1. Noun. The optic condition nyctalopia, the inability to see clearly in faint light, as at night ¹

¹ Source: wiktionary.com

Medical Definition of Night blindness

1. Failure or imperfection of vision at night or in dim light, with good vision only on bright days. (12 Dec 1998)

Lexicographical Neighbors of Night Blindness

Literary usage of Night blindness

Below you will find example usage of this term as found in modern and/or classical literature:

1. Monographic Medicine by William Robie Patten Emerson, Guido Guerrini, William Brown, Wendell Christopher Phillips, John Whitridge Williams, John Appleton Swett, Hans Günther, Mario Mariotti, Hugh Grant Rowell (1916)
"In migraine, an attack may be ushered in by the so-called fortification scotoma—a jagged glimmering, followed by a darkening. iv. Test for Night-blindness ..."

2. Diseases of the eye by George Edmund De Schweinitz (1916)
"It has already been pointed out that night-blindness is one of the early ... Nettleship has published a history of stationary night-blindness in nine ..."

3. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1916)
"... (Night-blindness) in Soldiers.—WEEKERS (Arch. d. Ophth., March-April, 1916, p. 73) calls attention to this condition as a novel phenomenon of war. ..."

4. The Principles and Practice of Ophthalmic Medicine and Surgery by Thomas Wharton Jones (1863)
"Night-blindness* Indistinct vision, recurring regularly at night, is sometimes met with as a congenital and habitual infirmity ; there are instances of its ..."

5. Heredity in Relation to Eugenics by Charles Benedict Davenport (1911)
"85) the characteristic, r— 1^1 throughout the family, was an increasing dimness of vision accompanied by night blindness; but later the degeneration was ..."

6. The New York Times Current History (1917)
"night blindness AMONG THE SOLDIERS the resultant, not of a single cause but of the ... The principal cause of night blindness ig nervous exhaustion, ..."

7. Edinburgh Medical Journal (1886)
"I have never, however, seen the night-blindness so pronounced in this inflammation as ... A certain degree of night-blindness, often sufficient to be rather ..."

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