What is contact lens or contact lenses

The contact lens was invented by the Czech chemist Otto Wichterle and his assistant Drahoslav Lím for correction purpose use only, as glasses. Because the contact lens is light than glasses,so many people like it.

Modern contact lenses deliberately colored, so be used as cosmetic.

As we know, 125 million people use all different contact lens or contact lenses in the world,including 28 to 38 million in the United States and 13 million in Japan. The number is increasing because more and more people using PC to work, which consider as the major reason cause people eyes'sight problems.

There are several types of contact lens:
toric lenses
multifocal lenses
extended wear lenses
disposable contact lenses
disposable lens

contact lens solutions