人的眼球其前壁的角膜和其内部的房水晶体、玻璃体部是透明的,光线由此射入到达眼底,人因此而能产生视觉。其中晶体之所以能维持透明,是因为它不断进行着非常复杂的新陈代谢。一旦这种新陈代谢发生变化,晶体就会产生混浊,而形成白内障。 造成晶体混浊的原因很多,现代医学认为是年老、眼球炎症、外伤、糖 People’s eye the anterior wall of the cornea and its interior of the crystal, the vitreous is transparent, the light rays thus reach the fundus, people can thus produce vision. The reason why the crystal can be kept transparent is that it constantly carries out very complicated metabolism. Once this metabolism changes, the crystal will produce turbidity, and the formation of cataracts. Cause a lot of crystal opacity for many reasons, modern medicine that is old, inflammation of the eye, trauma, sugar