[Review of the literature on contact lenses published in 1970].
D000839:Aniseikonia / Q000628:therapy; D001251:Astigmatism / Q000628:therapy; D003261:Contact Lenses / Q000009:adverse effects; D003263:Contact Lenses, Hydrophilic; D003315:Cornea; D005128:Eye Diseases / Q000209:etiology; D006801:Humans; D007634:Keratitis / Q000628:therapy; D007640:Keratoconus / Q000628:therapy; D009216:Myopia / Q000628:therapy; D012030:Refractive Errors / Q000628:therapy; D012590:Sclera