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night sight

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
sight (sīt) vision (1, 2).
far sight  hyperopia.
near sight  myopia.
night sight  hemeralopia.
second sight  senopia.

night sight.
sight [sīt]
a thing seen.
far sight hyperopia.
near sight myopia.
night sight hemeralopia.

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.


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Pistols feature Tactical Wedge three-dot (green) fixed night sights, zebra wood grips and ambidextrous thumb safety.
The NSN for the MK 19 and M2 reticle is NSN 5855-01-192-9075 and it's used with the AN/TVS-5 night sight.
[ILLUSTRATIONS OMITTED] Optical Systems Technology is furnishing the US Marine Corps with the Magnum Universal Night Sight under the terms of a 2006 contract worth $ 6.
 
 
 
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