For the 2015 South Korean film, see Eyelids (film).
Eyelid
Closed human eye showing eyelid and a set of lashes which grow along the edge of the lid
The same eye with its eyelid pulled open, displaying meibomian glands on the inside and a set of lashes growing in multiple layers
Details
System
Integumentary
Function
Covers and protects the eye by blinking or closing, keeping the cornea moist
Identifiers
Latin
palpebrae
MeSH
D005143
TA98
A15.2.07.024
TA2
114, 115
FMA
54437
Anatomical terminology
[edit on Wikidata]
"Palpebrae" redirects here. For the levator palpebrae, see levator palpebrae superioris muscle.
"Palpebral" is not to be confused with "Palpable".
Thin fold of skin that covers and protects the eye
Blood vessels of the eyelids, front view
This article about biology may be excessively human-centric. Please improve coverage for other species and discuss this issue on the talk page.(June 2019) (Learn how and when to remove this message)
An eyelid (/ˈaɪ.lɪd/EYE-lid) is a thin fold of skin that covers and protects an eye. The levator palpebrae superioris muscle retracts the eyelid, exposing the cornea to the outside, giving vision. This can be either voluntarily or involuntarily. "Palpebral" (and "blepharal") means relating to the eyelids. Its key function is to regularly spread the tears and other secretions on the eye surface to keep it moist, since the cornea must be continuously moist. They keep the eyes from drying out when asleep. Moreover, the blink reflex protects the eye from foreign bodies. A set of specialized hairs known as lashes grow from the upper and lower eyelid margins to further protect the eye from dust and debris.
The appearance of the human upper eyelid often varies between different populations. The prevalence of an epicanthic fold covering the inner corner of the eye account for the majority of East Asian and Southeast Asian populations, and is also found in varying degrees among other populations. Separately, but also similarly varying between populations, the crease of the remainder of the eyelid may form either a "single eyelid", a "double eyelid", or an intermediate form.
Eyelids can be found in other animals, some of which may have a third eyelid, or nictitating membrane. A vestige of this in humans survives as the plica semilunaris.
An eyelid (/ˈaɪ.lɪd/ EYE-lid) is a thin fold of skin that covers and protects an eye. The levator palpebrae superioris muscle retracts the eyelid, exposing...
blepharon, "eyelid" + plassein "to form") is the plastic surgery operation for correcting defects, deformities, and disfigurations of the eyelids; and for...
The eyelid pull is a gesture in which the finger is used to pull one lower eyelid further down, exposing more of the eyeball. This gesture has different...
an oil gland in the eyelid. This results in a red tender bump at the edge of the eyelid. The outside or the inside of the eyelid can be affected. The...
membrane (from Latin nictare, to blink) is a transparent or translucent third eyelid present in some animals that can be drawn across the eye from the medial...
granulated eyelids, is one of the most common ocular conditions characterized by inflammation, scaling, reddening, and crusting of the eyelid. This condition...
superioris (Latin: elevating muscle of upper eyelid) is the muscle in the orbit that elevates the upper eyelid. The levator palpebrae superioris originates...
Floppy eyelid syndrome (FES) is a disease whose most prominent features often include floppy upper eyelids that can be easily everted, as well as papillary...
Eyelid Movies is the debut studio album by American electronic music duo Phantogram, released on 9 February 2010 by Barsuk Records. On 7 October 2022,...
Eyelid glue, commonly called eye putti (アイプチ, ai puchi), is a type of eye make-up used in East Asia designed to change the monolid (eyelid without a crease)...
many cases of eyelid contact dermatitis being caused by substances transferred by the hands to the eyelids. Dermatitis on the eyelids causes inflammation...
known as double eyelid surgery, is a cosmetic procedure that reshapes the skin around the eye to create a crease in an upper eyelid that naturally lacks...
An adipose eyelid is a transparent eyelid found in some species of fish, that covers some or all of the eye. They are most commonly found on deep sea (benthic)...
into Chinese culture consists of the notion of having a double eyelid. The term double eyelid refers to the prominent crease natural to approximately 66.7%...
Eyelid revision is a procedure that involves correcting or addressing any issues that have arisen from a previous eyelid surgery. The surgery is more difficult...
This is similar to an abrasion but more severe, as body parts such as an eyelid or an ear can be partially or fully detached from the body. The most common...
The Turkmenistan eyelid gecko or Turkmenian eyelid gecko (Eublepharis turcmenicus) is a ground-dwelling lizard native to Turkmenistan and northern Iran...
cyst but a granuloma in the eyelid that results from a blocked meibomian gland. It typically occurs in the middle of the eyelid, red, and not painful. They...
and tarsoconjunctival glands) are sebaceous glands along the rims of the eyelid inside the tarsal plate. They produce meibum, an oily substance that prevents...
Dermatitis is inflammation of the skin, typically characterized by itchiness, redness and a rash. In cases of short duration, there may be small blisters...
Eublepharis angramainyu, also known as the Iranian fat-tailed gecko or Iraqi eyelid gecko, is a nocturnal ground dwelling lizard native to Iraq, Iran, Turkey...
orbicularis oculi (eyelid) muscles around both eyes. These result in abnormal twitching or blinking, and in the extreme, sustained eyelid closure resulting...
An epicanthic fold or epicanthus is a skin fold of the upper eyelid that covers the inner corner (medial canthus) of the eye. However, variation occurs...
associated with a less prominent upper eyelid crease (a feature commonly termed "single eyelids" as opposed to "double eyelids"), the two features are distinct;...
the triad of eyelid myoclonia with and without absences, eye-closure-induced seizures, EEG paroxysms, or both, and photosensitivity. Eyelid myoclonia with...
variety of surgical procedures that deal with the orbit (eye socket), eyelids, tear ducts, and the face. It also deals with the reconstruction of the...
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