Increased length, curvature, pigmentation or thickness of eyelashes. Various causes include congenital syndromes, acquired diseases, and medications. This may manifest at birth or later in life. This may be part of the spectrum of manifestation of certain congenital syndromes. Although its course is generally benign, it can lead to psychological disorders and, in the case of trichiasis, corneal abrasion and visual impairment. This article focuses on its etiology, pathogenesis and brief management.
