title: Bifocal contact lenses in presbyopia.
authors: Department of Ophthalmology, University of Kentucky, Lexington 40536, USA.
authors: W S
authors: WS
authors: Van Meter
authors: K M
authors: KM
authors: Hainsworth
authors: C
authors: C
authors: Duff
authors: G
authors: G
authors: Litteral
mesh_terms: D003261:Contact Lenses; D003263:Contact Lenses, Hydrophilic; D004867:Equipment Design; D006801:Humans; D011305:Presbyopia / Q000628:therapy*