“年轻时近视年老了就不花眼吗?”当我向周围的人问起这个问题时,他们中有不少人这样认为:“当然,近视是物体的像成在视网膜的前面,纠正要戴凹透镜;花眼是远视,是物体的像成在视网膜的后面,纠正要戴凸透镜.一个人怎么会既近视又远视?”.这一观点是错误的,有必要加以澄清.为此,我们需弄清下列几个问题. “When I was around to ask this question, many of them think so: ” Of course, myopia is the image of the object into the front of the retina , Correction to wear concave lens; eye is hyperopia, is the object of the image into the back of the retina, correct to wear convex lens. How can a person both myopia and farsightedness? "This view is wrong, it is necessary to be clarified. This, we need to find out the following questions.