Contact lens is more popular in the western countries than India. However, in India it has gained popularity slowly and is used mostly by the youngsters. Around 32 million people in the United States wear lenses.  This is about 12 percent of the total population. It is quite helpful for vision correction and facilitates proper handling and maintenance of lenses. Unlike the conventional glasses there is no chance of leaving it at a shop and forgetting them. No chance of glass breaking and is highly handy. It is made affordable to all and is very useful for certain occupations. In case of a cone-shaped deformity of the cornea, absence of lens or "aphakia," absence of iris or "aniridia” corneal lenses are used. These are permanently placed in the cornea.

Some people experience overflow of tears and corneal infection which are the contraindications of them. It is seen in the initial days and can stop gradually. The benefits of these contacts are that they are automatically cleaned with each blink of the eyelid. It is popular among sports men and women as they do not fall of unlike glasses. They look attractive and no more make you look ugly. It enhances the peripheral vision which is not known to many.

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