Inherited Duane's syndrome: mirror-like localization of oculomotor disturbances in monozygotic twins.
Abnormal innervation hampered the left eye in one twin, while producing the same effect in the right  eye of the other twin and in that of his mother.
D000328:Adult; D004370:Duane Retraction Syndrome / Q000150:complications / Q000175:diagnosis / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D009759:Nystagmus, Pathologic / Q000150:complications; D009886:Ophthalmoplegia / Q000235:genetics*; D011247:Pregnancy; D012698:Serologic Tests; D014427:Twins; D014430:Twins, Monozygotic