高度近视是指六百度以上的近视,这类近视不仅发病率高,而且有严重危害。在盲人调查中,因高度近视失明的,占有一定比例。 高度近视发展严重,为什么会失明?这是因为高度近视的眼球比正常眼球长得多,由于眼球较长,眼内视网膜、脉络膜等组织供血不足,营养不良,当受到某些外界因素如外伤、屏气、用力、过度用眼、疲劳等影响,就可并发很 High myopia is more than six hundred degrees of myopia, such myopia is not only high incidence, but also serious harm. In the blind survey, blindness due to a high degree of myopia, occupy a certain percentage. Because of the long eye, intraocular retina, choroid and other tissue insufficiency, malnutrition, when subjected to certain external factors such as trauma, Hold your breath, hard, excessive use of eyes, fatigue and other effects, it can be very complicated