The posterior surface is in contact with the vitreous humor.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
I bend lower: 'his breath comes hurriedly: his eyes open and fix upon me: they are red, vitreous but conscious: then I know he will speak, he is going to-the next moment his half-strangled voice reaches my ear.
"To-morrow?"
Victoria Cross
He put his hat on the floor by his chair, after he sat down, and looked at March awhile with his old eyes, which had the vitreous glitter of old.
"A Hazard of New Fortunes, Part Fifth"
William Dean Howells