CPEO is the most common manifestation of mitochondrial myopathy , occurring in an estimated two - thirds of all cases of mitochondrial myopathy .
CPEO is a rare disease that may affect those of all ages , but typically manifests in the young adult years .
disease is the most common disease of mitochondrial myopathy , occurring in an estimated two - thirds of all cases of mitochondrial myopathy .
CPEO is a rare disease that may affect those of all ages , but typically manifests in the young adult years .