美国纽约大学对大量青少年近视病例进行分析之后指出,体内缺乏微量元素铬与近视的形成有一定的关系。铬主要存在于粗粮、红糖、蔬菜及水果等食物中,有些家长不注意食物搭配,长期给孩子吃一些精细食物,从而造成机体缺铬,引起晶状体变凸,产生近视。而过量的糖的食入和吃硬质食品过少也会引起近视。因此,根 New York University, the United States on the analysis of a large number of young patients with myopia, pointed out that the lack of trace elements in vivo chromium and the formation of myopia have a certain relationship. Chromium mainly in coarse grains, brown sugar, vegetables and fruits and other foods, some parents do not pay attention to food, long-term food to eat some fine children, resulting in lack of chromium body, causing the lens convex, resulting in myopia. The excessive intake of sugar and eat too little hard food can cause myopia. So, root