The sclera is the white part of the eye that protects it from injury. Medical conditions like liver failure can change the sclera's color to yellow. A sclera injection involves injecting medicine ...

The sclera is the outer layer of your eye. You’ve probably heard it referred to as the “white of your eye.” It’s made up of fibrous connective tissue that covers the eyeball and surrounds the cornea.

Blue, green, amber: Someone’s eye color immediately attracts our attention. But there’s something unusual about human eyes: We have a large visible area of white that surrounds the iris. Most other ...