Parry-Romberg syndrome presenting with recurrent exotropia and torticollis.

Parry-Romberg syndrome, or progressive facial hemiatrophy, is a unilateral, slowly progressive atrophy that affects skin, subcutaneous tissues, muscles, and bones. The authors describe an 8-year-old girl with Parry-Romberg syndrome, amblyopia, recurrent exotropia, and torticollis, and stress that the association between this syndrome and amblyopia, recurrent exotropia, and torticollis should be recognized.