eyelid

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eyelid

 [i´lid]
either of two movable folds (upper and lower) protecting the anterior surface of the eyeball.

eye·lid

(ī'lid), [TA]
One of two movable folds that cover the front of the eyeball when closed; formed of a fibrous core (tarsal plate) and the palpebral portions of the orbicularis oculi muscle covered with skin on the superficial, anterior surface and lined with conjunctiva on the deep, posterior surface; rapid contraction of the contained muscle fibers produces blinking; each has fixed (orbital) and free margins, the latter separated centrally by the palpebral fissure, united at the lateral and medial palpebral commissures, and bearing eyelashes, openings of tarsal and ciliary glands and (medially) the lacrimal puncta.
Synonym(s): palpebra [TA], blepharon, lid

eyelid

(ī′lĭd′)
n.
Either of two folds of skin and muscle that can be closed over the exposed portion of the eyeball.

eye·lid

(ī'lid) [TA]
One of the two movable folds covering the front of the eyeball when closed; formed of a fibrous core (tarsal plate) and the palpebral portions of the orbicularis oculi muscle covered with skin on the superficial, anterior surface and lined with conjunctiva on the deep, posterior surface; rapid contraction of the contained muscle fibers produces blinking; they each have fixed (orbital) and free margins, the latter separated centrally by the palpebral fissure, united at the lateral and medial palpebral commissures, and bearing eyelashes, the openings of tarsal and ciliary glands and (medially) the lacrimal puncta.
Synonym(s): palpebra [TA] , blepharon, lid.

Patient discussion about eyelid

Q. eyelids what causes your eye lids too twitch? my left eye lid has been twitching on and off for about a week what causes it and how can i get it to stop.

A. Not an answer, just another question - how long can this go on? My eyelid has been twitching, (likely lack of sleep) for almost a month now. Any treatment that I should seek?

More discussions about eyelid
References in periodicals archive ?
The main symptoms are double eyelid spasm and facial involuntary movements, and it is also called blepharospasm-oromandibular dystonia[1].
As the double eyelid and the V-line jaw explode in popularity, Korean women and men are adhering to Principle Eight just as Millard advised.
The stickers are considered a cheaper alternative to the huge boom in double eyelid surgery in South Korea.
In the consideration of dominant appearance and beauty ideologies within China, and as Dove's Real Beauty Campaign emphasizes, Chinese women particularly care about three things: white/light facial skin, the lack of double eyelids (i.e.
Some teenagers are also opting for double eyelids and ear pin procedures while some boys are choosing to go under the knife to reduce their "breasts".
The Dalton School librarian, Roxanne Hsu Feldman, who is also Asian (she is Chinese; I am Japanese), commented on my "double eyelids" as we prepared to attend a publisher dinner.
When one 1973 entrant was asked if she had any special attributes that might make her stand out, she said that her eyes might be an advantage, because they were "larger than [those of] some of the girls." Larger eyes with double eyelids and longer eye lashes have traditionally been associated with a "western look," as opposed to smaller eyes with single eyelids.