As light passes through the eye it is focused by the ____________________, which always focuses light in the same way, and the ____________________, which is flexible and enables focusing on objects at different distances by varying its thickness.

Lens

In the context of vision, the transparent structure inside the eye that focuses light rays onto the retina to create clear images.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, responsible for focusing most of the light that enters the eye.