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Congenital ocular motor apraxia.
Transactions of the Ophthalmological Societies of the United Kingdom
|January 1, 1986
Summary
Congenital ocular motor apraxia (COMA) involves motor and speech delays. Associated brain abnormalities may indicate early CNS maldevelopment, not be integral to COMA.
Area of Science:
- Neuroscience
- Pediatric Neurology
- Ophthalmology
Background:
- Congenital ocular motor apraxia (COMA) is a rare neurological disorder affecting eye movements.
- Understanding its natural history and associated conditions is crucial for diagnosis and management.
Observation:
- Nine patients with COMA were studied, with two diagnosed in infancy before characteristic head thrusts.
- All patients exhibited initial motor delays that partially resolved, and conceptual/speech delays in early childhood.
Findings:
- Associated neurological findings included agenesis of the corpus callosum in three patients and cerebellar abnormalities in two.
- Autopsy revealed cerebellar cortical dysplasia in one infant.
Implications:
- The pathogenesis of COMA remains unclear.
- Cerebellar and corpus callosum abnormalities may be markers of broader central nervous system (CNS) maldevelopment rather than direct causes of COMA.