A.1~2mm B.1~3mm C.2~3mm D.2~4.5mm E.2.5~4mm
A.視網(wǎng)膜 B.色素膜 C.脈絡(luò)膜 D.玻璃膜 E.虹膜
A.5/6 B.3/6 C.4/6 D.2/6 E.1/6