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The eyebrows, eyelids, eyelashes, lacrimal gland and drainage apparatus all play a crucial role with regards to globe protection, lubrication, and minimizing the risk of ocular infection. [1] The adnexal structures also help to keep the cornea moist and clean. One source defines "ocular adnexa" as the orbit, conjunctiva, and eyelids. [2]
Eyelash length is closely linked to the width of the eye, with the lashes typically growing to one-third the width of the eye as an evolutionary adaptation to reduce tear film evaporation and dust deposition. Lashes longer or shorter than one-third the width of the eye have been shown to have reduced efficacy in serving their function. [5]
The glands of Zeis service the eyelash. These glands produce an oily substance that is issued through the excretory ducts of the sebaceous lobule into the middle portion of the hair follicle. In the same area of the eyelid, near the base of the eyelashes are apocrine glands called the "glands of Moll".
The eyelashes (or simply lashes) are hairs that grow on the edges of the upper and lower eyelids. The lashes are short (upper lashes are typically just 7 to 8 mm in length) hairs, though can be exceptionally long (occasionally up to 15 mm in length) and prominent in some individuals with trichomegaly.
False eyelashes are a cosmetic enhancement attaching synthetic or natural fibers to the eyelids to give the natural eyelashes a fuller, more dramatic look. They are available in various lengths, thicknesses, and curvatures.
Earlier this year, comedian Amy Schumer revealed a "big secret" she has been struggling with for years: trichotillomania.. The hair-pulling disorder causes irresistible, recurrent urges to pull ...
The whisker-like hairs are so long that she can hold them together.
Pages in category "Human eyelashes" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes. D. Demodex; E. Eyelash curler;