corneal reflex


corneal reflex
reflex blinking of both eyes normally elicited by lightly touching the cornea of one eye. This reflex is lost in deep coma, during general anaesthesia, and in death; it is therefore one of the tests used to confirm death.

The new mediacal dictionary. 2014.

Look at other dictionaries:

  • Corneal reflex — The corneal reflex, also known as the blink reflex, is an involuntary blinking of the eyelids elicited by stimulation of the cornea (such as by touching or by a foreign body), or bright light, though could result from any peripheral stimulus.… …   Wikipedia

  • corneal reflex — 1. irritation of the cornea results in reflex closure of the lids; called also blink r., eyelid closure r., and lid r. 2. reflection of light from the cornea …   Medical dictionary

  • corneal reflex — 1. Physiol. the closing of the eyelids induced by touching the cornea lightly. 2. Ophthalm. the reflection of a keratoscope, as Placido s disk, on the surface of the cornea. * * * …   Universalium

  • corneal reflex — 1. Physiol. the closing of the eyelids induced by touching the cornea lightly. 2. Ophthalm. the reflection of a keratoscope, as Placido s disk, on the surface of the cornea …   Useful english dictionary

  • Corneal ulcers in animals — Large corneal ulcer in a dog A corneal ulcer, or ulcerative keratitis, is an inflammatory condition of the cornea involving loss of its outer layer. It is very common in dogs and is sometimes seen in cats. In veterinary medicine, the term corneal …   Wikipedia

  • Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… …   Medical dictionary

  • Reflex — For other uses, see Reflex (disambiguation). A reflex action, also known as a reflex, is an involuntary and nearly instantaneous movement in response to a stimulus.[1] A true reflex is a behavior which is mediated via the reflex arc; this does… …   Wikipedia

  • Corneal abrasion — Classification and external resources A corneal abrasion after staining with fluorescein. ICD 10 S …   Wikipedia

  • Corneal ulcer — For the condition in animals, see Corneal ulcers in animals. Corneal ulcer Classification and external resources ICD 10 H16.0 ICD 9 …   Wikipedia

  • Cushing reflex — (also referred to as the vasopressor response, the Cushing effect, the Cushing reaction, the Cushing phenomenon, the Cushing response, or Cushing s Law) is a physiological nervous system response to increased intracranial pressure (ICP) that… …   Wikipedia


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