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night vision

Line breaks: night vi¦sion

Definition of night vision in English:

noun

[mass noun]
1The faculty of seeing in the dark, especially when the eyes have become adapted to the low level of light.
Example sentences
  • Its compounds also help the eyes adapt to bright light and improve night vision.
  • First signs are blurry vision, especially in bright light, loss of night vision and needing more light to read by.
  • Since cones do not function well in darkness, night vision depends strongly on light picked up by rods.
1.1 [as modifier] Denoting devices that enable the user to see in the dark: night-vision goggles
More example sentences
  • Many discarded their water bottles, night-vision devices and other useful equipment because this was meant to be a quick, in-and-out daylight mission.
  • Close-fitting eye lenses are shaped to improve peripheral vision and are compatible with most optical sighting and night-vision devices.
  • In addition to the Sniperscope and other night-vision devices, the potential of this technology for guidance purposes began to be realized.

Definition of night vision in:

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