corneal reflex

noun

Physiology. the closing of the eyelids induced by touching the cornea lightly.
Ophthalmology. the reflection of a keratoscope, as Placido's disk, on the surface of the cornea.

The corneal reflex may be abolished, and still the patient may move.

The patient was then taken back to the ward and the corneal reflex was noticed as being present.

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