blink


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blink

(blink),
To close and open the eyelids rapidly; an involuntary act by which the tears are spread over the conjunctiva, keeping it moist.
Synonym(s): wink

blink

(blingk)
To close and open the eyes rapidly; an involuntary act by which the tears are spread over the cornea and conjunctiva, keeping it moist.

blink 

A temporary closure of the eyelids (usually of both eyes). Blinks are usually involuntary but may be voluntary. The frequency of blinking is conditioned by a number of external and internal factors, e.g. glare, wind, emotion, attention, tiredness, etc. Normal blink rate is about 10 blinks per minute, although there are wide variations. The duration of a full blink is approximately 0.3-0.4 s. Blink rates are often altered with contact lens wear and in some diseased states (e.g. chalazion, Graves' disease). See corneal reflex; wink.

blink

the involuntary movement of one or both eyelids of both eyes simultaneously. The frequency varies between species. Cats blink the least, with the possible exception of owls. In birds it is the lower eyelid which is moved up to meet the upper lid. In mammals the upper eyelid is moved down to meet the lower lid. The blink is a part of several reflexes including the palpebral, conjunctival and menace reflexes.

blink reflex
see blink response.
blink response
absent in lesions of the ophthalmic branch of the trigeminal nerve. Called also blink reflex.
References in periodicals archive ?
More than 100,000 doctors nationwide, or one in ten prescribers, have patients actively using Blink Health to save on their prescription medications.
The probability that the patient with headache had a pathologic and normal EMG blink reflex was 58% and 42%, respectively.
By the time we got into the studio, we were very much a band who were ready to make the best Blink record we could.
Stephens said at the time that Blink would begin to cater to
Myself and the lads in Blink are still best friends.
Consider this along with other blink insights: that liars blink less often while stretching the truth; that, according to some research, winning presidential candidates blink less during debates than their destined-to-lose opponents (hmmm, what's that bit about liars again?
Lindemulder also appeared in the music video for Blink 182's "What's My Age Again?
Despite the gimmicks and occasional heavy-handedness, Blink and Caution captures the alienation of adolescence and the painful process of becoming oneself, in a time fraught with complications and chaos both from within and without.
The pair struck up an unlikely friendship at Warwickshire Wildlife Sanctuary, in Nuneaton, after Blink was separated from his nest and handed in to the rescue centre.
Alternating second-person (Blink) and third-person (Caution) narratives, Blink & Caution is a gritty, compelling crime drama imbued with playful, humorous, and even lyrical prose.
The blink rate is generally increased in schizophrenia, (15-17,22,23) but these conclusions stem from studies of chronic schizophrenic patients.
Despite being based on tragic events, Blink is all about love and family life in a close knit South Wales community.