According to Wikipedia, today's lenses are typically made from plastic, such as polycarbonate. Plastic is used in order to lessen the chance of breakage.
Eyeglasses.
bifocals?
Eyeglasses can be purchased several different ways. However, first we would recommend seeing an eye doctor for a thorough eye exam. Then you can go to many optical retailers or even or eyeglasses online. - find Integrity Vision Care on facebook
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Edward Scarlett
Wire
The frames were made from metal and the lens were made from crown glass.
They where made out of Metal and plastic the Plastic is called zlonite.
Benjamen Franklin
Eyeglasses are made to correct the vision of people who can't see well. They work by changing the way light enters our eyes so that we can see better.
The first eyeglasses were made in the year 1286 in Italy, attributed to the work of a Dominican friar named Alessandro della Spina. These early eyeglasses were simple glass lenses held together with rivets and did not have temples like modern glasses.
Horn rimmed eyeglasses are glasses with frames made of animal horn or plastic that looks like horn.
Eyeglasses were originally made from two convex glass lenses with metal wrapped around them.
The first eyeglasses were invented in the 13th century, around the year 1286, by an Italian inventor named Salvino D'Armate. These early eyeglasses were simple magnifying glasses made by mounting lenses into frames.
The first eyeglasses were made in Italy at about 1286.
Eyeglasses were invented by an unknown Italian in the late 13th century, with some attributing the invention to Salvino d'Armati. The first documented use of eyeglasses was in the early 14th century in Italy.
Eyeglasses are made with materials such as metal and glass. The glass is the most important part of the glasses as they form the lens which the glasses are used for.