Distichiasis is the congenital or acquired presence of a partial or complete second row of eyelashes arising from the meibomian gland orifices. This is made possible because the meibomian glands and lash follicles differentiate from a common pilosebacious unit. Acquired causes occur after trauma or chronic irritation to the eyelid margin.
Patient with history of allergic conjunctivitis presenting for one-month postoperative clinic appointment after cataract surgery with no symptoms. The clinician observed incidental distichiasis of the upper lid with no corneal damage.
Ophthalmic Atlas Images by EyeRounds.org, The University of Iowa are licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
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