Keratoconus caused by eye rubbing in patients with Tourette Syndrome

Raneen Shehadeh Mashor, Nikhil L. Kumar, Rusty J. Ritenour, David S. Rootman

    Research output: Contribution to journalArticlepeer-review

    18 Citations (Scopus)


    Objective: To report the association between keratoconus and Tourette Syndrome (TS) and to reinforce that eye rubbing may be a causative factor for keratoconus. Design: Observational case series. Participants: Three patients with TS who presented with clinical and topographic findings suggestive of asymmetric or unilateral keratoconus. Methods: Evaluation of patients in a single clinical practice. Results: Patients' histories revealed asymmetric or unilateral rubbing of the affected eye as a result of a TS tic. Other organic causes associated with keratoconus were absent in these patients. Conclusions: A possible association between TS and keratoconus exists with chronic eye rubbing being the suggested mechanism. Eye rubbing seems to be an important causative factor for keratoconus.

    Original languageEnglish
    Pages (from-to)83-86
    Number of pages4
    JournalCanadian Journal of Ophthalmology
    Issue number1
    Publication statusPublished - 2011


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