相关考题
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单项选择题
左眼-1.25DS,矫正视力1.0,加上雾视量后度数为?()
A.0.00DS
B.+0.25DS
C.-0.25DS
D.-2.50DS -
单项选择题
左眼-0.50DS,矫正视力1.0,加上雾视量后度数为?()
A.+0.75DS
B.+1.00DS
C.+1.25DS
D.-1.75DS -
单项选择题
左眼-3.25DS,矫正视力1.0,加上雾视量后度数为?()
A.-2.00DS
B.-4.25DS
C.-2.50DS
D.-4.50DS