处方:R:-8.75/L:-9.50,棱镜需求:底向内9△分至双侧眼镜透镜,移心距离x1和x2为( )。
A.0.51cm,0.47cm B.-0.51cm,-0.47cm C.0.51cm,-0.47cm D.-0.51cm,0.47cm正确答案B
处方:R:-8.75/L:-9.50,棱镜需求:底向内9△分至双侧眼镜透镜,移心距离x1和x2为( )。
A.0.51cm,0.47cm B.-0.51cm,-0.47cm C.0.51cm,-0.47cm D.-0.51cm,0.47cm正确答案B