我国现有近视者约3亿多,除了不良的用眼、书写习惯,如看书距离不当,光线太强太弱等是引起近视的罪魁祸首外,还发现下列因素与近视有关。 偏食、挑食,钙、铬吸收少 钙、铬等微量元素是保证儿童视力正常的重要系列之一。钙在维持眼睛晶状体正常压力,铬在保持眼的屈光度等方面都有不可替代的作用,还有维生素B_1也是眼球发育必不可缺的成分。它们多分布 There are more than 300 million myopic people in our country. Except bad eyes and writing habits, such as improper reading distance, too light and too weak, are the culprits causing myopia, the following factors are also found to be related to myopia. Partial eclipse, picky eaters, calcium, chromium absorption of calcium, chromium and other trace elements is to ensure that children with normal vision one of the important series. Calcium maintains normal pressure in the lens of the eye and chromium plays an irreplaceable role in maintaining the refractive power of the eye. Vitamin B 1 is also an indispensable component of eyeball development. They are more distributed