人教版八年级上册《眼睛和眼镜》属一节应用体验课,其中应用透镜进行视力的矫正是教学的重点之一。在十几年的教学中笔者发现,近视的同学往往因自身的体验对该重点的掌握比较轻松;但对于视力正常的同学而言,体验的缺失成了知识理解的绊脚石。因此,如何让全体学生真切地感知近视的不便、体会 PEP eighth grade volume “eyes and glasses” is an application of experience lesson, which uses the lens for vision correction is one of the teaching focus. In more than ten years of teaching, the author found that myopia students tend to grasp the key points more easily due to their own experience. However, for the students with normal eyesight, the lack of experience becomes a stumbling block to knowledge comprehension. Therefore, how to make all students really feel the inconvenience of myopia, experience