眼睛和眼镜这部分内容既能联系有关凸透镜成像的全部知识,又能较好地联系生活,贴近实际,所以越来越多地出现在各地的中考试题中,考点主要是有关眼睛的结构与成像原理,近视眼、远视眼的成因及矫正,以及科学用眼、养成良好用眼习惯等.1.眼睛的结构及成像原理人的眼睛主要由睫状体、角膜、晶状体、瞳孔、玻璃体、视网膜等部分 This part of the eye and glasses can not only connect all the knowledge about the convex lens imaging, but also can better connect with life, close to reality, so more and more appear in the local examination questions, the test center is mainly about the structure and imaging of the eye Principles, causes and corrections of myopia and hyperopia, scientific eyes, good eye habits, etc. 1. Eye structure and imaging principle Human eyes are mainly composed of ciliary body, cornea, lens, pupil, vitreous, Retina and other parts