+1.0DC×90与+3.0DC×180两柱镜联合后的等效屈光力为()。A、+1.0DS/+2.0DC×180B、+1.0DS/+3.0DC×180C、+2.0DS/+3.0DC×180
+1.0DC×90与+3.0DC×180两柱镜联合后的等效屈光力为()。
- A、+1.0DS/+2.0DC×180
- B、+1.0DS/+3.0DC×180
- C、+2.0DS/+3.0DC×180
相关考题:
+1.0DS/+2.0DC×180可分解为()。A、+2.0DS/+1.0DC×180B、-1.0DS/+3.0DC×180C、+1.0DC×180/+3.0DC×90D、+1.0DC×90/+3.0DC×180
+1.0DS/+2.0DC×180等同于下列()。A、+3.0DS/-2.0DC×90B、-1.0DS/+3.0DC×180C、+1.0DC×180/+3.0DC×90D、-3.0DS/+2.0DC×90
单选题+1.0DS/+2.0DC×180可分解为()。A+2.0DS/+1.0DC×180B-1.0DS/+3.0DC×180C+1.0DC×180/+3.0DC×90D+1.0DC×90/+3.0DC×180
单选题-2.50DC×90与+2.0DC×90两柱镜同轴密切联合后所得屈光力为()。A-0.5DS/+2.0DC×90B+2.0DS/-2.50DC×180C-0.50DC×90D+0.50DC×180
判断题正交联合的两柱镜叠加后,其屈光力可能增强也可能减弱。A对B错