Contact lenses are thin, clear plastic disks you wear in your eye to improve your vision. Contacts float on the tear film that covers your cornea.
Apart from the cosmetic part of it, contact lenses can improve vision for people with these refractive errors:
Types of Contact Lenses
A contact lens is a thin, curved lens placed on the film of tears that covers the surface of the eye. The lens itself is naturally clear. Today’s contact lenses are either hard or soft. Most people wear the latter form but it wasn’t too long ago that contact lenses were even glass blown!