Kok-van Alphen, C C Complications of hard and soft contact lenses. [electronic resource] - Documenta ophthalmologica. Advances in ophthalmology Jan 1985 - 85-92 p. digital Publication Type: Journal Article ISSN: 0012-4486 Standard No.: 10.1007/BF00162015 doi Subjects--Topical Terms: Astigmatism--etiologyConjunctivitis--etiologyContact Lenses--adverse effectsContact Lenses, Hydrophilic--adverse effectsCornea--metabolismHumansInfections--etiologyKeratitis--etiologyMetabolic Diseases--etiology