In 1887 he constructed and fitted what was to be considered the first successful model of a contact lens: an afocal scleral contact shell made from heavy brown glass, which he tested first on rabbits, then on himself, and lastly on a small group of volunteers.
Evisceration - Removal of the eye contents, leaving the sclera or the white part of the eye.
Lamina cribrosa sclerae, a mesh-like structures which allows nerve fibres of the optic nerve to pass through the sclera
Corneal limbus, the border of the cornea and the sclera (the white of the eye)
The lens fit over just the cornea, unlike its predecessor, which also rested on the sclera (the white area), said Neil Hodur, a professor at the Illinois College of Optometry and a colleague and friend of Dr. Wesley's.
Staphyloma is marked by a thinning of sclera collagen bundles and decreased number of collagen striations.
Tache noir de la sclerotique (French for Black spot of the sclera) is one of the ocular signs of death in which a reddish brown discoloration is transversely arranged across the sclera.