Chang, P C Acanthamoeba keratitis in non-contact lens wearers. [electronic resource] - Archives of ophthalmology (Chicago, Ill. : 1960) Apr 1991 - 463-4 p. digital Publication Type: Comment; Letter ISSN: 0003-9950 Standard No.: 10.1001/archopht.1991.01080040023004 doi Subjects--Topical Terms: Acanthamoeba Keratitis--etiologyContact LensesHumansRisk Factors