Eyelash
An eyelash or simply lash is one of the hairs that grow at the edge of the eyelid. Eyelashes perform some of the same function as whiskers do on a cat or a mouse in the sense that they are sensitive to being touched, thus providing a warning that an object (such as an insect) is near the eye. Eyelashes may also be fluttered, as a form of non-verbal communication. Beautiful, long eyelashes are considered a sign of femininity in most if not all cultures, and so their appearance is sometimes enhanced with mascara. The twentieth century saw the beginning of convincing-looking false eyelashes, popular in the 1960s. Eyelashes are prone to a number of problems: - Madarosis is the loss of eyelashes
- Blepharitis is the irritation of the lid margin (where eyelashes join the eyelid). The skin often becomes flaky.
- Trichiasis is ingrown eyelashes
- Eyelashes may become infested with crab louse parasites
- An eyelash may become infected and form a stye.
Inherited eyelash problems are common in some breeds of dogs.
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