title: An introduction to extended-wear contact lenses.
abstract: Extended wear contact lenses are now a reality. Unfortunately, the physiological basis for their apparent success is less based on knowledge than wishful thinking. This paper discusses both what we know and what we don't know with the goal of giving the practitioner in the field a global view of this important and controversial procedure.
mesh_terms: D003263:Contact Lenses, Hydrophilic / Q000009:adverse effects / Q000592:standards*; D003315:Cornea / Q000378:metabolism*; D003316:Corneal Diseases / Q000209:etiology*; D004487:Edema / Q000209:etiology; D006801:Humans; D010101:Oxygen Consumption; D013666:Tears / Q000502:physiology; D013997:Time Factors