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Myopia. Myopia, also known as near-sightedness and short-sightedness, [5] is an eye disease [6][7][8] where light from distant objects focuses in front of, instead of on, the retina. [1][2][7] As a result, distant objects appear blurry while close objects appear normal. [1]
The human eye is a sensory organ in the visual system that reacts to visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and keeping balance. Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device.
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]
Lethargy and tiredness can be symptoms of many different conditions, including: - urinary tract infections. - kidney disease. - diabetes. - malnutrition/lack of proper nutrients. - hypothyroidism ...
Huntington's disease (HD), also known as Huntington's chorea, is an incurable neurodegenerative disease [7] that is mostly inherited. [8] The earliest symptoms are often subtle problems with mood or mental/psychiatric abilities. [9][1] A general lack of coordination and an unsteady gait often follow. [2] It is also a basal ganglia disease ...
Isaac Barrow. Succeeded by. William Whiston. Signature. Sir Isaac Newton FRS (25 December 1642 – 20 March 1726/27 [a]) was an English polymath active as a mathematician, physicist, astronomer, alchemist, theologian, and author who was described in his time as a natural philosopher. [7] He was a key figure in the Scientific Revolution and the ...
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