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  2. AN/PVS-7 - Wikipedia

    en.wikipedia.org/wiki/AN/PVS-7

    The AN/PVS-7 is a single tube biocular night vision device. Third-generation image intensifiers are able to be installed and are standard for military night vision. Most newer PVS-7 intensifier tubes are auto-gated to prevent image intensifier damage if exposed to intense light. The goggles have a built-in infrared Illuminator for low-light ...

  3. Cetirizine - Wikipedia

    en.wikipedia.org/wiki/Cetirizine

    Cetirizine is a second-generation antihistamine used to treat allergic rhinitis (hay fever), dermatitis, and urticaria (hives). [5] It is taken by mouth. [6] Effects generally begin within thirty minutes and last for about a day. [6]

  4. Adaptation (eye) - Wikipedia

    en.wikipedia.org/wiki/Adaptation_(eye)

    Night vision is of lower quality than day vision because it is limited in resolution and colors cannot be discerned; only shades of gray are seen. [1] In order for humans to transition from day to night vision they must undergo a dark adaptation period of up to two hours [ 2 ] in which each eye adjusts from a high to a low luminescence "setting ...

  5. AN/PVS-14 - Wikipedia

    en.wikipedia.org/wiki/AN/PVS-14

    The AN/PVS-14 Monocular Night Vision Device (MNVD) is in widespread use by the United States Armed Forces as well as NATO allies around the world. [3] It uses a third generation image intensifier tube, and is primarily manufactured by Litton Industries (Now L-3 Warrior Systems) and Elbit Systems of America (formerly Harris Night Vision, formerly Exelis, formerly ITT [4]). [5]

  6. AN/PVS-5 - Wikipedia

    en.wikipedia.org/wiki/AN/PVS-5

    The AN/PVS-5 is a dual-tube night-vision goggle used for aviation and ground support. It uses second-generation image-intensifier tubes. The United States Army still has PVS-5 on supply but are very rarely used. The AN/PVS-5 is based on the SU-50 which was a first-generation night-vision goggle adapted by the United States Air Force in 1971 ...

  7. Night-vision device - Wikipedia

    en.wikipedia.org/wiki/Night-vision_device

    Panoramic night vision goggles (PNVG) increase FoV by increasing the number of sensor tubes. This solution adds size, weight, power requirements, and complexity. [69] An example is GPNVG-18 (Ground Peripheral Night Vision Goggle). [70] These goggles, and the aviation AN/AVS-10 PNVG from which they were derived, offer a 97° FoV. [68] Examples ...

  8. Eye protection - Wikipedia

    en.wikipedia.org/wiki/Eye_protection

    Empiral Vision Grey Goggle. Goggles are forms of protective eyewear that enclose the eye area in order to prevent particulates, infectious fluids, or chemicals from striking the eyes. Goggles come in two styles, eyecup goggles, and cover goggles. Eyecup goggles completely cover the eye socket to give all-round protection.

  9. AN/PSQ-20 - Wikipedia

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

    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.