Stress may also be a contributing factor, since it ramps up production of epinephrine, a molecule connected with the fight-or-flight response that can cause muscle contractions or spasms. There’s also ...

If you suffer complete third nerve palsy, you will lose the ability to open your eyelid and look inward or up. A partial nerve palsy will reduce normal eye functions.

Oculomotor nerve (CN III): This nerve controls most of the extraocular eye muscles. CN III is responsible for functions like moving the eye from side to side and holding the eyelid open.

Two facial nerves (one on either side of the face) control the muscles used for facial expression, as well as aspects of eye tearing, saliva production, and taste. If they are injured, you may have ...

Facial nerve paralysis describes weakness in the muscles on one or both sides of your face that causes an inability to smile, blink, or control other facial movements. It happens when the facial ...

Ptosis, where the eyelids droop, as well as ectropion and entropion, are problems of the eyelid that can strike the elderly.

These nerves open the eyelids wider, retract the nictitans, hold the eyeball forward in the eye socket and dilate the pupil — enhancing vision and giving the cat a fierce look.

Last month, tingles heralded healing facial nerves. James can’t yet open the eyelid, and wears a patch to protect it. But as Rodriguez pushed on the closed eye, ...

Last month, tingles heralded healing facial nerves. James can't yet open the eyelid, and wears a patch to protect it. But as Rodriguez pushed on the closed eye, James felt sensation ...

Last month, tingles heralded healing facial nerves. James can't yet open the eyelid, and wears a patch to protect it. But as Rodriguez pushed on the closed eye, ...