Cambridge Ophthalmological Symposium Published: 14 November 2014 How does the structure of extraocular muscles and their nerves affect their function? J R Bruenech & I B Kjellevold Haugen Eye 29 ...

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.