[Distichiasis].

Distichiasis is a rare congenital or acquired eyelid anomaly in which an accessory row of eyelashes arises from the openings of meibomian glands or near them. The abnormal cilia are posterior to the normal row of cilia and may abrade the eye causing ocular irritation and corneal damage. We describe a 9-year-old Caucasian girl with bilateral and symmetric distichiasis. This condition was treated with lid splitting followed by cryotherapy to the posterior lid lamella. The technique has been used in four eyelids with congenital distichiasis, with very good results.