Fibrous tunic of eyeball
The sclera and cornea form the fibrous tunic of the bulb of the eye; the sclera is opaque, and constitutes the posterior five-sixths of the tunic; the cornea is transparent, and forms the anterior sixth.
|Fibrous tunic of eyeball|
Horizontal section of the eyeball. (Cornea labeled at top, sclera labeled at center right.)
|Latin||tunica fibrosa bulbi, tunica fibrosa oculi|