Fibrous tunic of eyeball. From Wikipedia, the free encyclopedia. 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.The term corneosclera is also used to describe the sclera and cornea together.ibrous tunic of eyeball. From Wikipedia, the free encyclopedia. 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.
The philosophy as well as the religion of the Greeks found its first expression in poetry, philosophical speculation, properly so called, being preceded by the effort of the imagination to picture to itself the origin and the evolution of the universe.
Ancient Greek Philosophy. The Ancient Greek philosophers have played a pivotal role in the shaping of the western philosophical tradition. This article surveys the seminal works and ideas of key figures in the Ancient Greek philosophical tradition from the Presocratics to the Neoplatonists.he Western philosophical tradition began in ancient Greece in the 6th century BCE. The first philosophers are called Presocratics which designates that they came before Socrates. The Presocratics were from either the eastern or western regions of the Greek world.