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  2. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/Computer_vision_syndrome

    Computer vision syndrome. 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.

  3. Ray J - Wikipedia

    en.wikipedia.org/wiki/Ray_J

    Website. rayj .com. William Ray Norwood Jr. (born January 17, 1981), [ 1 ] known professionally as Ray J, is an American R&B singer, songwriter, television presenter, and actor. Born in McComb, Mississippi and raised in Carson, California, he is the younger brother of singer and actress Brandy. [ 3 ]

  4. List of incidents at Walt Disney World - Wikipedia

    en.wikipedia.org/wiki/List_of_incidents_at_Walt...

    On April 22, 2010, a 61-year-old woman from Skipton, North Yorkshire, United Kingdom (who had a vacation house in Celebration, Florida at the time) suffered a collapsed lung, fractured ribs, and back pain due to a boating accident near the Magic Kingdom. The rented Sea Raycer that her husband was driving collided with a Disney ferryboat.

  5. Autostereoscopy - Wikipedia

    en.wikipedia.org/wiki/Autostereoscopy

    Autostereoscopy is any method of displaying stereoscopic images (adding binocular perception of 3D depth) without the use of special headgear, glasses, something that affects vision, or anything for eyes on the part of the viewer. Because headgear is not required, it is also called " glasses-free 3D " or " glassesless 3D ".

  6. Invisible disability - Wikipedia

    en.wikipedia.org/wiki/Invisible_disability

    People may see someone with an invisible disability as lazy, weak, or antisocial. A disability may cause someone to lose connections with friends or family due to this lack of understanding, potentially leading to a lower self-esteem. Individuals with invisible disabilities may experience guilt and feeling misunderstood when asking for support ...

  7. Adjustable-focus eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

    Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...

  8. Upside down goggles - Wikipedia

    en.wikipedia.org/wiki/Upside_down_goggles

    Upside down goggles. Upside down goggles, also known as "invertoscopes" by Russian researchers, [ 1] are optical instruments that invert the image received by the retinas upside down. They are used to study human visual perception, particularly psychological process of building a visual image in the brain. Objects viewed through such a device ...

  9. Don't have eclipse glasses? Here's how to safely view the ...

    www.aol.com/dont-eclipse-glasses-heres-safely...

    What not to do. Without proper eye protection, viewing an eclipse can seriously damage your vision. Remember: Eclipse glasses are roughly 100,000 times darker than the darkest pair of sunglasses.