A.主焦點(diǎn) B.主點(diǎn) C.節(jié)點(diǎn) D.結(jié)點(diǎn)
A.致密,高 B.致密,低 C.稀疏,高 D.稀疏,低
A.角膜基質(zhì)的神經(jīng)纖維層 B.點(diǎn)狀角膜病變 C.玻璃體渾濁 D.黃斑變性