劍橋詞典concerning the cornea (= the transparent surface of the eyeball ) 角膜的 One or both eyes cannot filter light properly because the corneal surface is irregular . 因?yàn)榻悄け砻娈惓#恢谎劬螂p眼均無(wú)法正常過濾光線。 a corneal transplant 角膜移植 返回 corneal