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外界光线经过哪些结构到达视网膜

更新时间: 2020-10-31 00:00:00     

外界光线经过角膜、瞳孔、晶状体、玻璃体到达视网膜,视网膜为眼球壁的内层,分为视网膜盲部和视部,盲部包括视网膜虹膜部和视网膜睫状体部,各贴附于虹膜和睫状体内面。

玻璃体为无色透明胶状体玻璃体位于晶状体后面,充满于晶状体与视网膜之间,充满晶状体后面的空腔里,具有屈光、固定视网膜的作用。

关键词: 外界 光线 经过 哪些 结构 到达 视网膜

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