Aqueous Humor

The transparent fluid occupying the anterior compartment (the space between the cornea and the crystalline lens) of the eye; produced by ciliary epithelium and circulates into the posterior chamber (between the iris and the crystalline lens), through the pupil, into the anterior chamber (between the cornea and the iris), and out of the eye through the trabecular meshwork and canal of Schlemm; nourishes the lens and epithelial cells.