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In humans, the eyelashes serve four main functions: Protect the eye from dust and debris by catching them before they can enter the eye; Trigger the blink reflex in the case of a foreign body approaching the eye and touching the lashes; Regulate or reduce evaporation of the tear film on the cornea [5]
Note that the lashes in the outer portion of the eyelid are not pushed by the eyelid and curl upwards. In some individuals, an eyelid with excessive skin may push the eyelashes downwards and into the eye, obstructing vision in the case of long and thick lashes, and potentially causing corneal abrasion. [13]
An eyelid is a thin fold of skin that covers and protects the eye. The levator palpebrae superioris muscle helps in the movement of eyelid. The human eyelid features a row of eyelashes along the eyelid margin, which helps in protection of the eye from dust and foreign debris. The main function of eyelid is to keep the cornea moist and clean.
Human eyelashes (8 P) Human pupil (10 P) I. ... Pages in category "Human eye anatomy" The following 137 pages are in this category, out of 137 total.
The irises of human eyes exhibit a wide spectrum of colours. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [3]: 9
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;
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The eyelash grows at the edges of the eyelid and protects the eye from dirt. The eyelash is to humans, camels, horses, ostriches etc., what whiskers are to cats; they are used to sense when dirt, dust, or any other potentially harmful object is too close to the eye. [35] The eye reflexively closes as a result of this sensation.