Ocular Motor Apraxia and Neurofibromatosis

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Abstract
To the Editor. —Congenital ocular motor apraxia was first described by Cogan1 in 1952 as a disorder characterized by the impairment of horizontal saccades and conspicuous compensatory head thrusts beginning in early childhood. Children with congenital ocular motor apraxia are often clumsy and poor in sports, and they may have trouble reading during the first few years of school.2 The thrusting head movements generally become less obvious with age and may disappear by the end of the second decade of life.2 The pathogenesis of this disorder remains obscure. Coexistent neurologic abnormalities have been described in a few patients with congenital ocular motor apraxia.3-6 These abnormalities include agenesis of the corpus callosum, brain-stem tumors, porencephalic cysts, hamartomas of the foramen of Monro, and familial macrocephaly.3-6 We describe a patient with congenital ocular motor apraxia in association with neurofibromatosis, the first such reported case, to our knowledge.

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