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Cataract surgery, also called lens replacement surgery, is the removal of the natural lens of the eye that has developed a cataract, an opaque or cloudy area. [1] The eye's natural lens is usually replaced with an artificial intraocular lens (IOL) implant.
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. It is approximately spherical in shape, with its outer ...
Chicago hit 99 degrees on Tuesday, breaking the city's daily record of 97 degrees. On Wednesday, the heat moved east. Record highs were shattered in Washington, D,C., which reached 101 degrees ...
With a narrowing window for correction. 'We're going to do really well in the playoffs' OK, so the cavalry isn’t quite coming. But the Orioles will have a bevy of returnees returning just before ...
Harris’ pragmatic foreign policy views have been shaped mainly by her White House advisers. Trump has no formal process but speaks to ex-officials who have stayed loyal to him and some GOP senators.
It was a wooden mock-up, with a mirror eye-level finder. This first prototype used a five-facet roof optic prism giving a left to right inverted image. For vertical pictures, the image was upside down, and that was a big drawback. This was corrected with a Goulier prism before the 1948 Milano Fair. [101] 1948
Mikhail Lomonosov (1711–1765), Russia – night vision telescope, off-axis reflecting telescope, coaxial rotor, re-invented smalt; Yury Lomonosov (1876–1952), Russia/UK – first successful mainline diesel locomotive; Aleksandr Loran (1849 – after 1911), Russia – fire fighting foam, foam extinguisher
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