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Early symptoms of cataract may be improved by wearing appropriate glasses; if this does not help, cataract surgery is the only effective treatment. [4] Surgery with implants generally results in better vision and an improved quality of life: however, the procedure is not readily available in many countries. [4] [11] [12] [13]
After leaving his thick eyeglasses on an airplane in 1963, Orbison was forced to wear his prescription Faosa sunglasses on stage [3]: p109 and found that he preferred them. The sunglasses led some people to assume he was blind. [44] His black clothes and song lyrics emphasized the image of mystery and introversion.
During this period he investigated the refraction of light, demonstrating that the multicoloured image produced by a prism, which he named a spectrum, could be recomposed into white light by a lens and a second prism. [63] Modern scholarship has revealed that Newton's analysis and resynthesis of white light owes a debt to corpuscular alchemy. [64]
Lyndon B. Johnson signing the Medicare amendment (July 30, 1965). Former President Harry S. Truman (seated) and his wife, Bess, are on the far right.. Originally, the name "Medicare" in the United States referred to a program providing medical care for families of people serving in the military as part of the Dependents' Medical Care Act, which was passed in 1956. [5]
The LCD color filters are made with a photolithography process on large glass sheets that are later glued with other glass sheets containing a thin-film transistor (TFT) array, spacers and liquid crystal, creating several color LCDs that are then cut from one another and laminated with polarizer sheets. Red, green, blue and black colored ...
The Louvre (English: / ˈ l uː v (r ə)/ LOOV(-rə)), [4] or the Louvre Museum (French: Musée du Louvre [myze dy luvʁ] ⓘ), is a national art museum in Paris, France, and one of the most famous museums in the world.