distichia[dis-tik´e-ah] (distichiasis [dis″tĭ-ki´ah-sis]) the presence of a double row of eyelashes, one or both of which are turned against the eyeball.
A congenital, abnormal, accessory row of eyelashes.
[G. di- double, + stichos, row]
distichiasis/dis·ti·chi·a·sis/ (dis″tĭ-ki´ah-sis) the presence of a double row of eyelashes, one or both of which are turned in against the eyeball.
distichiasisThe presence of an extra row of eyelashes, on the inner margin of the eyelid, that often causes severe discomfort from contact with the eye.
Congenital anomaly in which there is a double row of eyelashes in the lid margin, one row being normal and the other row turning inward towards the eye. Distichiasis can also be acquired following scarring or chemical and physical injury. If there are symptoms, treatment consists of removal of the aberrant eyelashes, usually by cryotherapy (removal under cold or freezing conditions) or electrolysis. See epilation; polystichia; trichiasis.
the condition caused by having distichia and characterized by severe, chronic conjunctival injury leading to conjunctivitis, blepharospasm and keratitis.