相关考题
-
单项选择题
左眼-2.75DS,矫正视力1.0,加上雾视量后度数为?()
A.-1.50DS
B.-1.25DS
C.+0.75DS
D.+1.25DS -
单项选择题
左眼-2.75DS,矫正视力0.8,加上雾视量后度数为?()
A.-1.75DS
B.-1.25DS
C.+0.75DS
D.+0.25DS -
单项选择题
左眼-2.00DS,矫正视力0.8,加上雾视量后度数为?()
A.-1.00DS
B.-0.25DS
C.+0.75DS
D.+0.25DS