Nowadays, the myopia rate of all the people in our country is getting higher and higher. Walking on the street, passers-by with glasses can be seen everywhere.
Even primary school students should know that their eyes are eyes. And the glasses we often say are glasses.
In English, there are many words related to "seeing", such as see, vision, sight, and so on.
Have you ever thought about the adjectives that are "related to the eyes"?
This word has nothing to do with the eye half money. It is Optical.
It can also mean "optical", "light" and the like. Careful friends will find that foreign English is generally called Optical.