The use of glass eyes has been around for a long time. Glasses eyes are made as an ocular prosthesis for those people who lost an eye through accident or disease. Nowadays, prosthetic eyes are not only referred to as glass eyes but also are made of plastics and in some kind of cryolite that resembles glass. Actually, most of real glasses eyes are used in taxidermy, toys, doll making and some other mannequins.
Glasses eyes can be made in full, like real natural ones. The glass eyes take the shape of a convex shell, and have the similar size of real ones. Of course, glasses eyes are made according to the characters of different individuals. For instance, the average size of the human eye is 1 inch overall diameter. But there is not accurate same size between different persons. What is more, the colors of individuals’ eyes are different. So glass eyes must be made in abundance of choices.
As people know, glasses eyes do not provide vision; someone with glasses eyes is totally blind on the affected side and has monocular vision which affects depth perception. So people will take the glass eyes in the condition that they have damaged eyes and have to take a surgery to remove the eye. One takes the glass eyes in the purposes of health and more natural looking. Commonly, the proper glasses eyes look real and nice. For people create glasses eyes with perfect iris and eye coloring to make glasses eyes look realistic.
In current days, glass eyes are extensively made by machine in a wider variety of size, shapes and colors and different modes. For example, Toys often have sewn-on glasses eyes, and machine-made glass eyes satisfy the properly purposes. In addition, the materials of machine eyes can be plastic. Many companies make eyes from a kind of polyglass, which is a combination of plastic and glass.
Generally, glass eyes make a great contribution as artificial eyes to people’s lives.