in a way that relates to light or the ability to see, or to what someone sees

These lightbulbs are bad optically—they cause a lot of glare. 这些灯泡的光学性能很差，它们会造成大量眩光。

The substance is polished to give an optically smooth surface. 该物质经过抛光处理，使其具有光学上的光滑表面。

If information is read or stored optically, it is read or stored using light.

People vote on paper ballots that are optically scanned by a machine or counted by hand. 人们用纸质选票进行投票，然后用机器光学扫描或人工计数来统计这些选票。

A machine reads the card optically. 机器以光学方式读取卡片。