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  2. Optics and vision - Wikipedia

    en.wikipedia.org/wiki/Optics_and_vision

    Optics and vision. Vision of humans and other organisms depends on several organs such as the lens of the eye, and any vision correcting devices, which use optics to focus the image. The eyes of many animals contains a lens that focuses the light of its surroundings onto the retina of the eye. This lens is essential to producing clear images ...

  3. RTX Corporation - Wikipedia

    en.wikipedia.org/wiki/RTX_Corporation

    RTX Corporation, formerly Raytheon Technologies Corporation, is an American multinational aerospace and defense conglomerate headquartered in Arlington, Virginia.It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitalization, as well as one of the largest providers of intelligence services.

  4. Photic retinopathy - Wikipedia

    en.wikipedia.org/wiki/Photic_retinopathy

    Photic retinopathy is damage to the eye 's retina, particularly the macula, from prolonged exposure to solar radiation or other bright light, e.g., lasers or arc welders. The term includes solar, laser, and welder's retinopathy and is synonymous with retinal phototoxicity. [1] It usually occurs due to staring at the Sun, watching a solar ...

  5. Cone cell - Wikipedia

    en.wikipedia.org/wiki/Cone_cell

    Cone cells or cones are photoreceptor cells in the retinas of vertebrates' eyes. They respond differently to light of different wavelengths, and the combination of their responses is responsible for color vision. Cones function best in relatively bright light, called the photopic region, as opposed to rod cells, which work better in dim light ...

  6. Visual acuity - Wikipedia

    en.wikipedia.org/wiki/Visual_acuity

    6/6 vision is defined as the ability to resolve two points of light separated by a visual angle of one minute of arc, corresponding to 60 PPD, or about 290–350 pixels per inch for a display on a device held 250 to 300 mm from the eye. Thus, visual acuity, or resolving power (in daylight, central vision), is the property of cones.

  7. Just Started Using Retinol? Here's How To Tell If Your Skin ...

    www.aol.com/just-started-using-retinol-heres...

    As previously mentioned, a retinol purge will look different for everyone. However, most people usually experience one or a combination of the following symptoms: Increased acne breakouts. Redness ...

  8. US accuses Regeneron of fraudulent price reporting for eye drug

    www.aol.com/news/us-justice-department-files...

    BOSTON (Reuters) -The U.S. Justice Department on Wednesday accused Regeneron Pharmaceuticals of manipulating Medicare's drug-pricing process by inflating the average sales price for its expensive ...

  9. Reykon - Wikipedia

    en.wikipedia.org/wiki/Reykon

    1. Andrés Felipe Robledo Londoño (born 12 December 1986), [1] better known as Reykon " El Líder " " Pel mazo " , is a reggaeton performer from Colombia. [2] He is considered one of the biggest proponents of Latin America's reggaeton music genre. [3] He is from Envigado, Antioquia. [4]

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