A complex system of nerves and muscles enables the human eye to blink, gaze, and shift focus. The trochlear nerve is one of six cranial nerves that carry electrical impulses from the brain to the eye.

Eye twitching is an involuntary movement that can be harmless or signify a more serious condition, such as multiple sclerosis. If twitching occurs for more than a few days, it is important to speak ...

Lupus can affect any part of your body, including your eyes. The condition can bring on problems that make your vision worse without treatment. It’s linked to dry eyes, too. What’s more, certain ...

Exophoria is the term for one eye drifting uncontrollably outwards. Exophoria may cause blurred or double vision, eye fatigue, and difficulty focusing on objects. Exophoria is a problem with eye ...

Endoscopic orbital decompression is a surgery to treat Graves’ orbitopathy (thyroid eye disease). It removes the middle and bottom walls of the bone surrounding the eye. Surgeons use endoscopes and ...

Orbital emphysema is where air collects within the eyelid or orbit, the space within the skull that contains the eyeball. This may increase pressure within the eye and result in vision loss. The ...