Bifocal Contact Lenses

Bifocal contact lenses, similar to bifocal glasses have 2 powers of vision correction built into the single lens.  These contact lenses allow people previously limited to bifocal glasses to now wear contact lenses.  Bifocal contact lenses can be soft or rigid gas permeable lenses.  Some bifocal contact lenses come in the disposable contacts variety which allows wearers to throw them away after a certain frequency.

Very informative article pertaining to both Bifocal and Multifocal contact lenses.

http://www.allaboutvision.com/contacts/bifocals.htm