optical

/ˈɑptɪkəl/

of or relating to or involving light or optics

中文释义：光学的；视觉的

Optical illusions can trick the brain into seeing things that are not there.

视错觉可以欺骗大脑，让人看到不存在的东西。

The telescope uses advanced optical technology to observe distant galaxies.

该望远镜使用先进的光学技术观测遥远的星系。