Glasses Lenses - Eyeglasses Lenses

Prescription eyeglasses are made of diverse materials. The traditional one is glass lens. But now it has been gradually replace by plastic lenses. But in fact, by far glass lens is the finest one in absorbing the ultraviolet light. Similar to plastic lens, glass comes in the several diverse colors and has anti-scratch coating. What’s more, it is much more inexpensive than plastic lenses. The reason of downfall of glass lens is the weight of the prescription eyeglasses which is made of the glass. They are also very breakable which may injury eyes easily as well as have to experience the heat-treated procedure in order to ensure the durability.
There is one material which is used to manufacture prescription glasses is high-Index artificial lens. Because it can absorb the ultra violet light very well. This high-index lens is very lighter in the weight than other regular eyeglass lens. However, they are very classy that very easily can also be scratched extremely . Resin lens is one of the most popular material which is used in the producing prescription eyeglass lens. All of these plastic lenses are lightest of all the other lenses. But it can’t provide high level of defense against the ultra violet light, which other lenses present.

Nowadays, some of the eyeglasses lenses are tinted with the broad various colors as well as the shades. Actually the main aim to produce these tinted lenses is to trim down the glare from some of the definite situations: such as the strong sunlights, or light from the computers television sets, and many more. Another purpose for the tinting of all the lenses is to present the total ease to the eyes. But now more people also order these colorful tints on to their eyeglasses just for the fashionable appearance. The glass lens as well as most plastic lenses are often coated with the Ultra Violet protection outside layer. The ultra violet rays are very harmful which can cause the harsh injure to the eyes.

There is other coating which is covered the pair of the prescription eyeglasses is the scratch resistant coating as well. From time to time scratch resistant coating is also applied at manufacturer that it can also be added right away there at any place like office. Though it is also said that even as resistant coating can be aided in durability of the lens.