This is a beta course, so its structure, chapters, and examples may continue to change.屈光不正This article is being translated. Please check back soon. Chapters近视 (Myopia)远视 (Hyperopia)散光 (Astigmatism)老视 (Presbyopia) Previous 眼睛的光学结构 了解人眼的结构以及它是如何像照相机一样工作的。Next 近视 (Myopia) 为什么看远处模糊？了解近视的成因和分类。
