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  • Title: Unilateral or asymmetric congenital ptosis, head posturing, and amblyopia.
    Author: Fiergang DL, Wright KW, Foster JA.
    Journal: J Pediatr Ophthalmol Strabismus; 1999; 36(2):74-7. PubMed ID: 10204133.
    Abstract:
    PURPOSE: To determine the prognostic implication of compensatory head posturing in patients with unilateral or asymmetric congenital ptosis. METHODS: A retrospective review of 80 consecutive patients with unilateral or asymmetric congenital ptosis was performed. The presence of documented compensatory head posturing, age of onset, age of presentation, visual acuity, refraction, and amblyopia were recorded, and binocularity was tested. RESULTS: Five of seven (71%), patients with unilateral or asymmetric congenital ptosis and compensatory head posturing had amblyopia. All of these patients had straight eyes and four of the five amblyopic patients had anisometropia of less than 2 diopters (D). CONCLUSION: The high incidence of amblyopia in this group can occur in the absence of significant anisometropia and strabismus. This unusually high incidence of amblyopia in this subgroup of patients with unilateral or asymmetric congenital ptosis and compensatory head posturing warrants compulsive examination and prophylactic part-time occlusion therapy of the nonptotic eye until reliable vision testing can be performed.
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