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中年时期膳食合理化，在很大程度上可以防止某些眼部疾病的发生，较长时间维持正常视力，为中年人工作、生活提供更多的活力。美国研究白内障的眼科专家认为，中老年白内障的形成与缺乏某些维生素和无机盐有关。如果在膳食中适当增加维生素C、维生素E和锰、镁等无机盐，在美国
Rational diet in middle age, to a large extent, can prevent the occurrence of certain eye diseases, maintain normal vision for a long time, provide more vitality for middle-aged people working and living. Ophthalmologists who study cataract in the United States believe that the formation of cataracts in the elderly is related to the lack of certain vitamins and inorganic salts. If the appropriate diet in the vitamin C, vitamin E and manganese, magnesium and other inorganic salts in the United States