29 下圖光學十字之處方度數為何? (A)+2.00DS/-3.00DC×180 或-1.00DS/+3.00DC×090 (B)+2.00DS/-1.00DC×180 或-1.00DS/+2.00DC×090 (C)+2.00DS/-3.00DC×090 或-1.00DS/+3.00DC×180 (D)+2.00DS/-1.00DC×090 或-1.00DS/+2.00DC×180