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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. 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.

5. Computer vision syndrome - Wikipedia

   en.wikipedia.org/wiki/Computer_vision_syndrome

   Some symptoms of CVS include headaches, blurred vision, neck pain, fatigue, eye strain, [1] dry eyes, irritated eyes, double vision, vertigo / dizziness, polyopia, and difficulty refocusing the eyes. These symptoms can be further aggravated by improper lighting conditions (i.e. glare, [2] [3] strong blue-spectrum backlights, [citation needed ...

6. Eye protection - Wikipedia

   en.wikipedia.org/wiki/Eye_protection

   Eye protection is protective gear for the eyes, and sometimes face, designed to reduce the risk of injury. Examples of risks requiring eye protection can include: impact from particles or debris, light or radiation, wind blast, heat, sea spray or impact from some type of ball or puck used in sports. Eye protection are typically separated into ...

7. Night vision, new helicopters are pushing the frontiers of ...

   www.aol.com/news/night-vision-helicopters...

   The new helicopters are compatible with night vision right out of the factory. ... With more than 60 helicopters and fixed-wing aircraft used in tandem to monitor and attack fires, Cal Fire has ...