The white layer of the eye that covers most of the outside of the eyeball. Anatomy of the eye, showing the outside and inside of the eye including the eyelid, pupil, sclera, iris, cornea, lens, ciliary body, retina, choroid, vitreous humor, and optic nerve.

Where is the sclera of the eye?

The sclera is the tough, white, outer layer of the eyeball. The sclera provides the eyeball with structural strength and protects against penetration and rupture. Rarely, the sclera becomes inflamed (scleritis.

What is the sclera and what does it do?

The sclera is the white part of your eye. It's a tough, protective covering and the muscles that control eye movement are connected to it.