A.0.25~0.50D B.0.50~0.75D C.0.75~1.00D D.1.00~1.25D
A.疑似圓錐角膜 B.輕度圓錐角膜 C.中度圓錐角膜 D.重度圓錐角膜
A.4 B.5 C.6 D.8