African wild dogs might use facial expressions to communicate with each other as they hunt in packs on the savanna. Arno Meintjes via Flickr under CC BY-NC-SA 2.0 DEED Puppy-dog eyes are irresistible.

Hypotropia is when one eye tilts downward. It’s often caused by problems with the muscles around your eyes or the nerves that control them. Hypotropia falls into a group of conditions called ...

ST. LOUIS – In a recent study published in The Journal of Comparative Neurology, Saint Louis University professor of pharmacological and physiological science Michael Ariel, Ph.D., reported surprising ...

Eye twitching, aka myokymia, is extremely common and usually not a cause for concern. Common causes include stress, computer vision syndrome, dry eye, and fatigue. You should see a doctor if twitching ...

Surgeries for thyroid eye disease include orbital decompression (to relieve swelling), strabismus (to repair eye muscles and correct eye alignment), and eyelid retraction correction (to restore eyelid ...

Sixth nerve palsy is a nerve disorder. When your sixth nerve isn't working properly, it causes problems with the movement of your eye. Sixth nerve palsy is also known as lateral rectus palsy. Palsy is ...