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大部分的斜视或弱视都是屈光异常所引起,早期矫正屈光(配戴眼镜)就可以治愈这两种病。同时这两种病相互之间关系也很密切,常常互为因果。那么,什么是屈光状态呢?它又怎样引起斜视或弱视呢?原来,人的双眼好似一架双筒自动照像机。既可以自动调节焦点,将不同距离的物像,经过眼体前部的角膜,水晶体而后聚焦在视网膜上。正常人在看远处时,双眼平视正前方,不需调节就可以看清楚。
Most of strabismus or amblyopia are caused by refractive abnormalities, early correction of refractive (with glasses) can cure both diseases. At the same time the two diseases are also closely related to each other, often each other cause and effect. So, what is the refractive state? How does it cause strabismus or amblyopia? It turned out that the human eye is like a binocular automatic camera. Can automatically adjust the focus, the different distances of the object, after the cornea through the front of the eye, crystal and then focus on the retina. When a normal person looks away, his eyes are directly in front of him and can be clearly seen without adjustment.