corneal reflex


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Related to corneal reflex: Pupillary light reflex

corneal reflex

[′kȯr·nē·əl ′rē‚fleks]
(medicine)
Automatic closing of the eyelids as a result of irritation of the cornea.
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References in periodicals archive ?
Features of neurological examination: coma/absent response to painful stimulus, absent pupillary reflex, absent corneal reflex, absent cough reflex, absent gag reflex, absent oculovestibular reflex, and absent oculocephalic reflex.
The predominant clinical signs of depth of anaesthesia observed in this study in cats under isoflurane anesthesia were the presence of eyelid and corneal reflexes with central eyeball, or the absence of eyelid and corneal reflex and ventromedial eyeball.
The seventh (peripheral facial paresis) or fifth (decreased corneal reflex, facial numbness) cranial nerve is usually involved.
Intravenous catheter was then inserted for the infusion, continuing the inhalational agent at the same concentration until the loss of corneal reflex. The corneal reflex was assessed by assistant anesthetist.
Corneal reflex was present on throwing light over it indicating normal cornea.
They should be taught about the disease process, for example, precautions to prevent bleeding from an AVM, aspiration in case of absent of gag reflex, and corneal ulcer in case of absence of corneal reflex. Patients can resume normal activities the next day.
When corneal reflex was elicited by holding the eyelids open, then no retraction of eye ball observed further confirming the abducent nerve paralysis (Kahn et al., 2005).
However, the ipsilateral corneal reflex may be decreased or absent when the ophthalmic division of the nerve is involved (Hickey, 2002; Jannetta, 1981b).
If the body is severely poisoned, the symptoms would include hypotension, depressed corneal reflexes and fixated diagonal pupils.