Relating to the sclera, which is the white outer layer of the eyeball.
The word 'scleral' is related to the eye and the body.
Examples:
The doctor examined the scleral part of my eye.
The scleral layer protects the eye.
The scleral part of the eye is white.
The scleral layer is like a shield for the eye.
The scleral part of the eye is as tough as a turtle's shell.
The scleral layer is like a strong wall around the eye.