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Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake, etc. Other changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris) as well as the emergence of polymegethism in the corneal endothelium.
Health effects of sunlight exposure. Exposing skin to the ultraviolet radiation in sunlight has both positive and negative health effects. On the positive side, exposure allows for the synthesis of vitamin D 3. Vitamin D has been suggested as having a wide range of positive health effects, which include strengthening bones [ 1] and possibly ...
Occam's razor. In philosophy, Occam's razor (also spelled Ockham's razor or Ocham's razor; Latin: novacula Occami) is the problem-solving principle that recommends searching for explanations constructed with the smallest possible set of elements. It is also known as the principle of parsimony or the law of parsimony ( Latin: lex parsimoniae ).
Rugrats is an American animated television series created by Arlene Klasky, Gábor Csupó, and Paul Germain.The show focuses on a group of toddlers, most prominently Tommy, Chuckie, Angelica, twins Phil and Lil, Susie, then later Dil and Kimi and their day-to-day lives, usually involving common life experiences that become adventures in the babies' imaginations.
Rod cells are photoreceptor cells in the retina of the eye that can function in lower light better than the other type of visual photoreceptor, cone cells. Rods are usually found concentrated at the outer edges of the retina and are used in peripheral vision. On average, there are approximately 92 million rod cells (vs ~6 million cones) in the ...
If you can seize that your name will go down in history." [ 33 ] In the last week of February, Colonel Charles G. Patterson, the anti-aircraft artillery officer for III Corps, led a meeting for brigade and group commanders during which they discussed what they would do if they were lucky enough to capture a bridge intact.
The Active Denial System ( ADS) is a non-lethal directed-energy weapon developed by the U.S. military, [ 2] designed for area denial, perimeter security and crowd control. [ 3] Informally, the weapon is also called the heat ray[ 4] since it works by heating the surface of targets, such as the skin of targeted human beings.
Optical coherence tomography. A high-resolution spectral-domain OCT scan (3×3 mm) of a dry age-related macular degeneration eye showing geographic atrophy and drusen in macula on both cross-sectional and en face fly-through. Optical coherence tomography ( OCT) is an imaging technique that uses interferometry with short- coherence-length light ...