Surgical treatment of ptosis of the eyelid in patients suffering from mitochondrial myopathies

The authors briefly describe the commonest forms of mitochondrial myopathies particularly those associated with disorders of ocular motility. They report their series of four patients suffering from ptosis of the eyelid caused by mitochondrial myopathgies. The ptosis was corrected surgically in all cases by means of Muller's muscle adaptation technique. The authors discuss their results and the indication for this technique