Eyeballs do actively rotate sideways on a regular basis. Whenever you tilt your head sideways, your eyeballs will rotate in the opposite direction. Basically acting like a counterbalance, with the function being image stabilization.
Eyeballs do actively rotate sideways on a regular basis. Whenever you tilt your head sideways, your eyeballs will rotate in the opposite direction. Basically acting like a counterbalance, with the function being image stabilization.