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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.
Not really. "Some people need glasses when they're young—before 45," explains , of Cleveland Clinic’s Cole Eye Institute. "If you don't need glasses before your 40s, chances are you will need ...
Pinhole glasses, also known as stenopeic glasses, are eyeglasses with a series of pinhole-sized perforations filling an opaque sheet of plastic in place of each lens. Similar to the workings of a pinhole camera, each perforation allows only a very narrow beam of light to enter the eye which reduces the size of the circle of confusion on the ...
Originally developed to show the camera's view to more people than the one looking through the eyepiece, today video assist is the name of a complex system, consisting of monitors, recorders, video transmitters, video switchers, IT and RF equipment, and hundreds of yards of cables. The video assist crew—the video assist operator, assistant ...
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 ".
The cheaper filter material used in the monochromatic past dictated red and blue for convenience and cost. There is a material improvement of full color images with the cyan filter, especially for accurate skin tones. Video games, theatrical films, and DVDs can be shown in the anaglyph 3D process.
Swimming or showering while wearing contact lenses can raise a person’s risk of developing Acanthamoeba keratitis, a rare but serious eye infection. Since contact lens wearers are at a higher ...
The cameras were used in conjunction, a means of shooting 3D movies in normal color with a single camera and single strip of film. The Arrivision 3D technique uses a special twin-lens adapter fitted to the film camera, and divides the 35 mm film frame in half along the middle, capturing the left-eye image in the upper half of the frame and the ...