eyelid

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Related to eye-lid: droopy eyelid

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

/eye·lid/ (-lid) either of two movable folds (upper and lower) protecting the anterior surface of the eyeball.

eyelid

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

eyelid

Etymology: AS, eage + hlid
one of two movable folds of protective thin skin over the eye, with eyelashes and ciliary and meibomian glands along its margin. It consists of loose connective tissue containing a thin plate of fibrous tissue lined with mucous membrane (conjunctiva). The orbicularis oculi muscle and the oculomotor nerve control the opening and closing of the eyelid. The upper and lower eyelids are separated by the palpebral fissure. Also called palpebra [pal′-pəbrə] .

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.

eyelid

either of two movable cutaneous folds (upper and lower) protecting the anterior surface of the eyeball. Most mammals and birds have a third eyelid that moves across the eye from the medial canthus.

eyelid abnormality
includes entropion, ectropion, ptosis.
eyelid coloboma
a congenital, full thickness defect of varying degrees in an eyelid margin.
eyelid drooping
see ptosis.
eyelid eversion
eyelid inflammation
eyelid inversion
premature opening eyelid
opening of eyelids in puppies and kittens before the normal age of 7 to 10 days may result in exposure keratitis because of inadequate production of tears.
eyelid snapping
winking.
eyelid speculum
an instrument used to keep the eyelids apart.
third eyelid
see membrana nictitans.

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 ?
Doctors told Fay that a year of crying and dabbing her eyes had left her with permanently puffy eye-lids.
He described "extensive pin-point haemorrhaging", covering Mrs Mott's eye-lids, her cheeks and the front of her ears.
Hala started my make-over with the application a pale base on my eye-lids designed to stop the eye shadow sliding off or creasing.
And while the quality of the action was not the best, for example far too many moves broke down through dropped passes, it was a crisp, competitive cup tie that never made for heavy eye-lids.
The commanding officer also suffered considerably from the effects of the gas -- "My eyes by this time (2 pm 18th inst) were severely inflamed and the pain was intense; the eye-lids were very edematous, and the pain compelled me to go bed.
Keep this tattooed to the back of your eye-lids chump.
Her condition also means she was born with no eye-lids or ears.
Gillian sweeps By Terry's gorgeous Electric Fig all over the eye-lids and socket, then brushes on the dramatic Black Grape shade from the same range.
One minute she is batting her eye-lids and doing a little-girllost routine to get around her father or Phil and Jess; the next she is barking orders at Chloe and trying to wreck Maggie's marriage.
Belinda Brewin, who saw Paula just before her death, said: "She was staggering, her eye-lids were drooping, she was incoherent.
Just the mention of cricket is usually enough to have my eye-lids drooping and my car sweeping across the road.