Some of the strangest migraine symptoms involve the eye, like red eyes or a feeling of pressure. An expert explains why some people get bloodshot eyes.

Allergies, dry eye, corneal injury, infection, and tiredness are common causes of bloodshot eyes. You can have eye redness from contact lenses, which keep oxygen from reaching your eyes. Treatment for ...

Light sensitivity in one eye could occur for many reasons, ranging from minor injuries, dry eye, and migraine to more serious conditions, such as multiple sclerosis. Light sensitivity, or photophobia, ...