corneal
adjective medical specialized uk/ˈkɔː.ni.əl/ us/ˈkɔːr.ni.əl/
角膜的
concerning the cornea (= the transparent surface of the eyeball)
One or both eyes cannot filter light properly because the corneal surface is irregular. 因为角膜表面异常，一只眼睛或双眼均无法正常过滤光线。
a corneal transplant 角膜移植