• This simulation from oPhysics shows the optical behaviour of several variations of the human eye. Rays are traced from object to focal point, and the anatomy of the eye can be overlain on the optical diagram.

https://www.ophysics.com/l16.html

 

• This pair of animated ray diagrams from the University of New South Wales compares the focusing of an eye to a camera.

https://www.animations.physics.unsw.edu.au/jw/light/eye-optics-anatomy-accommodation.htm