Opticality视觉性opticaladj.视觉的；光学的optical effects视觉效果optical antipod旋光对映体optical masking光掩蔽optical plummet光学垂准器,光学对点器,光测铅垂线,光测悬锤optical pickoff光学传感器optical transit光学经纬仪optical screens光幕靶optical signals光学信号optical artware光学工艺品optical indices[医] 光学指数