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Red-eye effect seen on a teenager. The red-eye effect in photography is the common appearance of red pupils in color photographs of the eyes of humans and several other animals. It occurs when using a photographic flash that is very close to the camera lens (as with most compact cameras) in ambient low light.
Flash blindness is caused by bleaching (oversaturation) of the retinal pigment. [ 2] As the pigment returns to normal, so too does sight. In daylight the eye's pupil constricts, thus reducing the amount of light entering after a flash. At night, the dark-adapted pupil is wide open, so flash blindness has a greater effect and lasts longer.
Paul Reubens (/ ˈ r uː b ən z /; né Rubenfeld; August 27, 1952 – July 30, 2023) was an American actor and comedian, widely known for creating and portraying the character Pee-wee Herman.
Sinner, who tested positive twice for a banned anabolic steroid earlier this year, won’t be suspended. The International Tennis Integrity Agency said Tuesday that the banned substance he tested ...
The final day of the 2024 Paris Olympics has arrived.. On the final day, women's basketball highlights the day with gold and bronze medal matches. Still, the day also features finals in wrestling ...
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.
Kesha is baring it all!. On Saturday, Aug. 17, the singer, 37, posted two nude photos of herself on Instagram, including one which shows her eating a salad while sitting in a chair as another ...
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.