Contact Lenses Information

Contact lenses (also identified simply as "contacts") are restorative, aesthetic, or therapeutic lenses ordinarily settled on the cornea of the eye. Current contact lenses were invented by the Czechoslovakian chemist Otto Wichterle, who also invented the initial gel utilized for their creation.

Unremarkably serve the similar corrective intention as stereotypical glasses, but are lightweight and virtually imperceptible. More commercialized lenses are tinted a light bluish to make them more overt when immersed in cleaning solutions. Many ornamental lenses are designedly colored to modify the appearance of the eye.

It has been estimated that 125 million people use contact lenses worldwide (2%), including 28 to 38 million in the USA and 13 million in the nation of Japan. The types of lenses used and prescribedvary markedly between countries, with rigid lenses accounting for over 20% of currently-prescribed lenses in the nation of Japan, Holland and Deutschland but less than 5% in the Scandinavian Peninsula.

People determine to contact lenses for varied reasons. Many people consider their appearance to be much more photogenic with contact lenses than with glasses. Contact lenses are little constrained, do not steam up, and ender a wider field of vision. They are more suited for a assortment of sportsmanlike activities. Additionally, ophthalmological conditions much as keratoconus and aniseikonia may not be accurately rectified with glasses.