What are the three layers of the eye?

The three layers of the eye consist of the choroid, retina, and sclera.

The sclera is the outermost layer of the eye, providing structural support and protection. It is commonly referred to as the "white" of the eye and is made up of dense connective tissue. The choroid is situated between the sclera and the retina; it contains blood vessels that supply nutrients to the eye and is richly pigmented to help absorb excess light, preventing it from scattering within the eye. The retina, the innermost layer, is crucial for vision as it contains photoreceptor cells (rods and cones) that convert light into neural signals that the brain interprets as visual images.

Understanding these layers is important in both clinical and anatomical contexts, as various eye conditions can affect these structures. The other options list components that are either parts of the eye's anatomy that don't represent the full layers or include structures like the lens and pupil, which are not classified as layers of the eye.