Myasthenia gravis.
D001763:Blepharoptosis / Q000209:etiology; D002648:Child; D004172:Diplopia / Q000209:etiology; D006801:Humans; D008297:Male; D009157:Myasthenia Gravis / Q000150:complications*; D009886:Ophthalmoplegia / Q000209:etiology*; D014787:Vision Tests