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 muscle repair surgery is a procedure that corrects a muscle imbalance in the eyes. The muscle imbalance causes the eyes to cross inward or outward. This condition is known as strabismus. People ...

The intricacy and seeming perfection of the eye, both as an object of anatomical beauty and as a working machine, have worried and intrigued scientists, philosophers and zealots, especially during the ...