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Keratoconus associated with continued eye blinking due to intermittent exotropia

Poster Details

First Author: C.Pereira PORTUGAL

Co Author(s):    M. Franco   M. Colaço   J. Neves   D. Cristovão   T. Varandas   H. Prior Filipe

Abstract Details


To highlight a possible causal effect of eye blinking in the etiology of keratoconus.


Institute of Ophthalmology Dr. Gama Pinto, Lisbon, Portugal


Case report of a 27 year-old man was presented in our center with vision deterioration in his left eye (LE) since the adolescence. There was previous history of intermittent exotropia in the LE throughout his childhood, with frequent LE blinking.


Based on ocular examination and topografy the patient was diagnosed as having assimetric keratoconus, worse in LE and 50 internal base prism diopters exotropia in the LE.


This paper presents a case of assimetric keratoconus, associated a confirmed history of habitual mechanical trauma eye caused by continue eye blinking due to intermittent exotropia.

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