AP PSYCHOLOGY

Detailed explanation-1: -The cornea contains no blood vessels and is extremely sensitive to pain. Lens: a transparent structure situated behind your pupil. It is enclosed in a thin transparent capsule and helps to refract incoming light and focus it onto the retina.

Detailed explanation-2: -Lens: The transparent structure suspended behind the iris that helps to focus light on the retina; it primarily provides a fine-tuning adjustment to the primary focusing structure of the eye, which is the cornea.

Detailed explanation-3: -The lens focuses the light on the retina. This is achieved by the ciliary muscles in the eye changing the shape of the lens, bending or flattening it to focus the light rays on the retina. This adjustment in the lens, known as accommodation, is necessary for bringing near and far objects into focus.

Detailed explanation-4: -Lens: The lens is a clear part of the eye behind the iris that helps to focus light and images on the retina.

Detailed explanation-5: -The cornea is the transparent front part of the eye that covers the iris, pupil and other parts of the eye.