Eyelash

When eyelashes ( Medical: cilia, Cilia Latin ) is called in mammals, the slightly curved hairs on the upper and lower edge of the eyelids. They serve to protect the eyes by the interception of smaller dirt particles or foreign bodies. There are around their roots around different sebaceous and sweat glands: Moll 's glands, Zeis glands and meibomian glands or Tarsaldrüsen.

The life of the eyelashes in humans is only between 100 and 150 days. At the upper eyelid is about 150 to 250 hairs at the bottom only 50 to 150, the upper lash length with 8 to 12 mm longer than the lower 6 to 8 mm.

Various medical conditions are also manifested in the eyelashes. In a blepharitis ( blepharitis ), for example, they are glued, bent at an entropion inward, causing irritation of the cornea. In the context of neurological and neuroophthalmologischer diagnosis lashes play a role in the detection of various diseases with the so-called " eyelash characters ."