nyctalopia


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nyctalopia

 [nik″tah-lo´pe-ah]
2. sometimes incorrectly used as a synonym for hemeralopia.

nyc·ta·lo·pi·a

(nik-tă-lō'pē-ă),
Decreased ability to see in reduced illumination. Seen in patients with impaired rod function; often associated with a deficiency of vitamin A.
[nyct- + G. alaos, obscure, + ōps, eye]

nyctalopia

/nyc·ta·lo·pia/ (nik″tah-lo´pe-ah)
2. in French (and incorrectly in English), day blindness.

nyctalopia

(nĭk′tə-lō′pē-ə)
nyc′ta·lo′pic (-lō′pĭk, -lŏp′ĭk) adj.

nyctalopia

[nik′təlō′pē·ə]
Etymology: Gk, nyx, night, alaos, obscure, ops, eye
poor vision at night or in dim light resulting from decreased synthesis of rhodopsin, vitamin A deficiency, retinal degeneration, or a congenital defect. Also called day sight, night blindness. nyctalopic, adj.

nyc·ta·lo·pi·a

(nik'tă-lō'pē-ă)
Decreased ability to see in reduced illumination. Seen in patients with impaired rod function; often associated with a deficiency of vitamin A.
Synonym(s): night blindness.
[nyct- + G. alaos, obscure, + ōps, eye]

nyctalopia

Inability to see well in conditions of poor illumination. NIGHT BLINDNESS. From the Greek nyktos, night, alaos, blind and ops, the eye.

nyctalopia (nikˈ·t·lōˑ·pē·),

n reduction in the ability to see in faint light, as at night, due to con-genital defects, vitamin A deficiency, decreased rhodopsin synthesis, or degeneration of the retina. Also called
night blindness or
day sight.

hemeralopia

Term used to mean either night blindness in which there is a partial or total inability to see in the dark associated with a loss of rod function or vitamin A deficiency; or day blindness in which there is reduced vision in daylight while vision is normal in the dark. Syn. nyctalopia (this term is only synonymous with night blindness); night sight (this term is only synonymous with day blindness). See girate atrophy; congenital stationary night blindness; choroideremia; Oguchi's disease; retinitis pigmentosa.

nyctalopia

night blindness.
References in periodicals archive ?
Over next 3 months, his symptoms gradually improved, and there was a complete resolution of nyctalopia after 5 months.
It appears that the main symptoms revolve around floaters, abnormalities of visual function such as nyctalopia, loss of colour vision and poor contrast sensitivity.
c) Nyctalopia is thought to more common than oscillopsia in BCR