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.

image: Your eyes on the move: When you stare at the central black dot for about a minute and then look at the white dot next to it, you will notice a dark afterimage of the white grid, which -- as a ...

Brown syndrome (BS) is a rare ocular motility disorder characterized by a limitation of elevation in adduction of the eye. Patients with BS can have a widening of the palpebral fissure in adduction, ...