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.

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 ...

The human eye is often described metaphorically as the "window to the soul," but in clinical medicine, it is more accurately viewed as a non-invasive window into the human body's circulatory and ...

The trochlear nerve is also known as cranial nerve IV (CN-IV). It is the only cranial nerve that emerges dorsally from the brain (near the back), giving it the longest pathway. It is the smallest ...