title: Asymmetric keratoconus attributed to eye rubbing.
abstract: OBJECTIVE
  To report a series of cases with asymmetric keratoconus attributed to eye rubbing, discuss its pathogenesis, and review the literature.
  
  
  METHODS
  Case reports and literature review.
  
  
  RESULTS
  A careful history obtained from 5 patients with asymmetric keratoconus revealed habitual eye rubbing of the more severely affected eye.
  
  
  CONCLUSIONS
  Trauma, such as occurs with habitual eye rubbing, plays a role in the pathogenesis of keratoconus.
authors.affiliation: Emory University School of Medicine, Atlanta, Georgia, USA. batooljafri@emoryvision.com
authors.forename: Batool
authors.initials: B
authors.lastname: Jafri
authors.forename: Henia
authors.initials: H
authors.lastname: Lichter
authors.forename: R Doyle
authors.initials: RD
authors.lastname: Stulting
mesh_terms: D000293:Adolescent; D000328:Adult; D003315:Cornea / Q000473:pathology; D019781:Corneal Topography; D005123:Eye; D005260:Female; D006801:Humans; D007640:Keratoconus / Q000175:diagnosis / Q000209:etiology*; D008297:Male; D008405:Massage / Q000009:adverse effects*