释义 |
night visionnoun [mass noun]1The faculty of seeing in the dark, especially when the eyes have become adapted to the low level of light.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...- 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.
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