I have worn glasses for years.  Mine have plastic lenses, but some are made of glass and mounted on frames
Interesting! I thought that all glasses had glass frames. How do you feel about contact lenses?
I wear them as well.  So do many others.  125 million people across the world use contacts
They are much safer in some work environments and much easier to keep up with as well!
in the lenses. Some types of safety glasses are used to protect against visible and near-visible light or radiation. Glasses are worn for eye protection in some sports, such as squash.
Glasses wearers may use a strap to prevent the glasses from falling off during movement or sports. Wearers of glasses that are used only part of the time may have the glasses attached to a cord that goes around their neck, to prevent the loss of the glasses and breaking.
Sunglasses allow for better vision in bright daylight
Lensless glasses
Lensless glasses are glasses that lack lenses. They are worn solely for aesthetic or fashion purposes, having no function in vision correction or eye protection. The frames are usually oversized, and commonly all black in color. They may be worn in conjunction with contact lenses. Advantages of lensless glasses are that they do not fog or reflect, and there is no lens that will touch long eyelashes and eyelash extensions.
Lensless glasses first became popular in Japan in the 1990s. The trend died out, but has