Case report of four members of a family presenting a congenital fibrosis syndrome. The first case has the typical presentation with bilateral ptosis, bilateral hypotrophic, variable horizontal deviation, and restricted ocular movements in all directions. The second case has a unilateral ptosis with Marcus Gunn phenomenon and bilateral restriction of elevation. In the third case, the condition is purely unilateral and associated with a sensorimotor neuropathy. A fourth member presents a unilateral ptosis. Three other members have a simple strabismus without any oculomotor anomaly.