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  2. Night-vision device - Wikipedia

    en.wikipedia.org/wiki/Night-vision_device

    First-person view through night-vision goggles of the FBI Hostage Rescue Team using an airboat. A night-vision device (NVD), also known as a night optical/observation device (NOD) or night-vision goggle (NVG), is an optoelectronic device that allows visualization of images in low levels of light, improving the user's night vision.

  3. Glare (vision) - Wikipedia

    en.wikipedia.org/wiki/Glare_(vision)

    Glare (vision) Glare from a camera flash during a Sumo fight. Glare is difficulty of seeing in the presence of bright light such as direct or reflected sunlight or artificial light such as car headlamps at night. Because of this, some cars include mirrors with automatic anti-glare functions and in buildings, blinds or louvers are often used to ...

  4. Night vision - Wikipedia

    en.wikipedia.org/wiki/Night_vision

    Night vision is the ability to see in low-light conditions, either naturally with scotopic vision or through a night-vision device. Night vision requires both sufficient spectral range and sufficient intensity range. Humans have poor night vision compared to many animals such as cats, dogs, foxes and rabbits, in part because the human eye lacks ...

  5. Electrochromic device - Wikipedia

    en.wikipedia.org/wiki/Electrochromic_device

    Electrochromic mirrors use a combination of optoelectronic sensors and complex electronics that monitor both ambient light and the intensity of the light shining on the surface. As soon as glare makes contact with the surface, these mirrors automatically dim reflections of flashing light from following vehicles at night so that a driver can see ...

  6. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/Computer_vision_syndrome

    A number of computer and smartphone applications adjust the computer video color temperature, reducing the amount of blue light emitted by the screen, particularly at night. Dry eye is a symptom that is targeted in the therapy of CVS. The use of over-the-counter artificial-tear solutions can reduce the effects of dry eye in CVS.

  7. AN/PSQ-20 - Wikipedia

    en.wikipedia.org/wiki/AN/PSQ-20

    1x. The AN/PSQ-20 Enhanced Night Vision Goggle ( ENVG) is a third-generation passive monocular night vision device developed for the United States Armed Forces by ITT Exelis. It fuses image-intensifying and thermal-imaging technologies, enabling vision in conditions with very little light. The two methods can be used simultaneously or individually.

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