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Cataract surgery is the most common application of lens removal surgery, and is usually associated with lens replacement. It is used to remove the natural lens of the eye when it has developed a cataract, a cloudy area in the lens that causes visual impairment. [4][10] Cataracts usually develop slowly and can affect one or both eyes. [4]
Optical correction using glasses or contact lenses is the most common treatment; other approaches include orthokeratology, and refractive surgery. [68]: 21–26 Medications (mostly atropine) and vision therapy can be effective in addressing the various forms of pseudomyopia. Compensating for myopia using a corrective lens
Role in disease. Botulinum toxin produced by Clostridium botulinum (an anaerobic, gram-positive bacterium) is the cause of botulism. [25] Humans most commonly ingest the toxin from eating improperly canned foods in which C. botulinum has grown. However, the toxin can also be introduced through an infected wound.
Stocks jumped Thursday as investors cheered the Federal Reserve’s eye-popping half-point interest rate cut. The Dow closed 522 points, or 1.3%, higher, reaching a new record after passing the ...
Democratic Reps. Ayanna Pressley of Massachusetts and Shontel Brown of Ohio pressed the FDA in a letter to finalize the proposed rule for banning certain salon-grade and at-home hair straighteners ...
Eye – The human eye is a sense organ that reacts to light and allows vision. Rod and cone cells in the retina are photoreceptive cells which are able to detect visible light and convey this information to the brain. Eyes signal information which is used by the brain to elicit the perception of color, shape, depth, movement, and other features.
Calculus, mathematical analysis, statistics, physics. In mathematics, the gamma function (represented by Γ, the capital letter gamma from the Greek alphabet) is one commonly used extension of the factorial function to complex numbers. The gamma function is defined for all complex numbers except the non-positive integers.
Martin Shkreli (/ ˈʃkrɛli /; born March 17, 1983) is an American investor and businessman. He was convicted of financial crimes for which he was sentenced to seven years in federal prison, being released on parole after roughly six and a half years in 2022, and was fined over 70 million dollars. Shkreli is the co-founder of the hedge funds ...