题目内容
(请给出正确答案)
[单选题]
一RGP配戴者,镜片基弧为7.80,直径为9.20mm,荧光素示平行配适,如果保持相同的配适,新镜片基弧为7.60mm,则直径应当为( )
A.9.00mm
B.9.20mm
C.9.30mm
D.9.40mm
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A.9.00mm
B.9.20mm
C.9.30mm
D.9.40mm
A.6.80mm
B.7.10mm
C.8.00mm
D.8.40mm
A.-4.00D
B.-4.75D
C.-6.25D
D.-7.00D
A.7.65mm
B.7.80mm
C.7.90mm
D.8.00mm
A.-4.25DS
B.-1.75DS
C.+1.75DS
D.+1.25DS
A.8.30mm
B.8.50mm
C.8.80mm
D.8.60mm
A.7.7,-4.00D
B.7.5,-4.00D
C.7.7,-3.50D
D.7.5,-3.50D