About The Medical Condition Progressive External Ophthalmoplegia

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Find the definition of the medical term Progressive External Ophthalmoplegia. Progressive External Ophthalmoplegia defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Progressive External Ophthalmoplegia

Progressive External Ophthalmoplegia Medical Condition Defined & Explained
Progressive External Ophthalmoplegia Medical Condition

What's The Definition Of The Medical Condition Progressive External Ophthalmoplegia?

A mitochondrial myopathy characterized by slowly progressive paralysis of the levator palpebrae, orbicularis oculi, and extraocular muscles. Ragged-red fibers and atrophy are found on muscle biopsy. Familial and sporadic forms may occur. Disease onset is usually in the first or second decade of life, and the illness slowly progresses until usually all ocular motility is lost. (From Adams et al., Principles of Neurology, 6th ed, p1422)

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