Sclera and cornea, iris and choroid and retina.
Human eye is that organ that helps us to see the things that are present around us. The outer layer of the eye is known as fibrous tunic which is made up of cornea and sclera.
The middle layer which is responsible for providing the nourishment to eye is known as vascular tunic which consists of the iris, chroid and ciliary body.
The inner layer that contains the photo receptors consists of retina.