The may be made of glass or plastic, but in either case they ARE always actual lenses.
just called rayban and they told me all original wayfarers have glass, not polycarbonate lenses.
Glass, wires, light
Plastic, glass, polycarbonate.
Glass; that is all they had.
They were first made of glass, but now they are made of plastic.
contact lenses!
The raw material of lenses is plastic polymer in most cases. There are some lenses which are made from glass materials as well.
Lenses are typically made of glass or transparent plastic
The first ones were made of glass..including the power..
Typically glass or plastic. If you are interested in learning specifically about contact lenses, you should visit Guru4Eyes.com (www.Guru4Eyes.com/contactlenses.html)
Convex lenses