Rates
When awake, the lids spread the tear secretions over the corneal surface, on a typical basis of 2 to 10 seconds (though this may vary individually). But blinking is not only dependent on dryness and/or irritation. A brain area, the globus pallidus of the basal ganglia contains a blinking center that controls blinking. Nonetheless, the external stimuli are still involved. Blinking is linked with the extraocular muscles. Blinking is often concurrent with a shift in gaze, and it is believed that this helps the movement of the eye.
Read more about this topic: Corneal Reflex
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