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. [ http://en.wikipedia.org/wiki/Fibrous_tunic_of_eyeball ]
Synonyms: fibrous layer of eyeball
This is just here as a test because I lose it