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Cosmic ray visual phenomena, or light flashes ( LF ), also known as Astronaut's Eye, are spontaneous flashes of light visually perceived by some astronauts outside the magnetosphere of the Earth, such as during the Apollo program. While LF may be the result of actual photons of visible light being sensed by the retina, [1] the LF discussed here ...
Computer vision syndrome ( CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
File:World Trade Center 9-11 Attacks Illustration with Bird's-eye Impact Locations.svg. Size of this PNG preview of this SVG file: 555 × 599 pixels. Other resolutions: 222 × 240 pixels | 445 × 480 pixels | 711 × 768 pixels | 949 × 1,024 pixels | 1,897 × 2,048 pixels | 880 × 950 pixels. This is a file from the Wikimedia Commons.
Cross section of a human eye, showing a detached retina at top. Date: 24 June 2009, 17:44 (UTC) Source: Schematic diagram of the human eye.svg: Author: Erin Silversmith from an original by en:User:Delta G. derivative work: RexxS; Other versions: Derivative works of this file: Human eye cross section detached retina-es.svg: SVG development
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English: Those who wish to edit this editable ray diagram can open it with Inkscape and repost with v0 replaced by v1, v2, etc. Each component in the eye has its own "layer" that can be independently made visible/invisible and edited or edit-protected.
Semaglutide can raise your risk of dry eye and cause changes in vision, so your doctor may recommend you start artificial tears or change your glasses prescription, if you wear them, he says.
File:Ray optics diagram incidence reflection and refraction.svg. Size of this PNG preview of this SVG file: 425 × 269 pixels. Other resolutions: 320 × 203 pixels | 640 × 405 pixels | 1,024 × 648 pixels | 1,280 × 810 pixels | 2,560 × 1,620 pixels. Original file (SVG file, nominally 425 × 269 pixels, file size: 4 KB) This is a file ...