Which of the following are internal structures of the eye? (Check all that apply.) Check All That Apply Cornea I Fovea centralis Lens Optic nerve Retina

The internal structures of the eye from the list provided are:<br /><br />* **Fovea centralis:** This is a small depression in the retina where visual acuity is highest. It is part of the inner layer of the eye.<br />* **Lens:** The lens sits behind the pupil and iris and focuses light onto the retina.<br />* **Optic nerve:** This nerve transmits visual information from the retina to the brain. It exits the back of the eye.<br />* **Retina:** The retina is the light-sensitive layer at the back of the eye. It contains photoreceptor cells (rods and cones) that convert light into electrical signals.<br /><br />The cornea is an *external* structure of the eye, forming the transparent front part that covers the iris and pupil.<br />