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It is "pretty common" (not unusual) to see people wearing glasses and sunglasses, but there are some other types of "eyewear" (something that is worn over the eyes) that might "make you take a second look" (look at something again, more closely, because it is unusual or surprising).

Swimmers wear "goggles," which are like small glasses, except that there is plastic around each lens that reaches to the swimmer's face. Goggles "prevent" (don't allow) water from touching the swimmer's eyes, so that he or she can see things while underwater.

Many people who work in "construction" (making new buildings), "carpentry" (making things out of wood), and other fields where dangerous machines are used often wear "safety glasses," which are large glasses that protect not only the front of the eye, but also the top, bottom, and sides. If a small piece of wood or some chemical comes toward the eye, it is stopped by the safety glasses before it can cause damage.

"3-D glasses," or "three-dimensional glasses" are often made out of heavy paper, with one plastic blue lens and one plastic red lens. These glasses are used to watch 3-D television or movies. The images are filmed in a special way, so that when one is wearing 3-D glasses, it looks as if the images are coming out of the screen toward oneself.

Finally, an "eye patch" is a small piece of black fabric that is attached to a black string. The string is tied around one's head so that the fabric hangs over one eye. People might use eye patches when they have a medical problem that doesn't let them use one eye, or when they have only one eye.