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Unformatted text preview: * anterior cornea * posterior sclera Fibrous Tunic: Cornea Fibrous Tunic: Cornea * Because of its curvature, most of the bending of the light rays (refraction) occurs at the cornea. * Outer surface consist of nonkeratinized st. sq. epi. * Middle coat consist of collagen fibers and fibroblast * Inner surface is simple squamous epithelium Fibrous Tunic: Sclera * the white of the eye * a layer of dense c.t., mostly collagen fibers and fibroblast * covers the entire eyeball except the cornea * gives the eyeball shape, makes it more rigid, and protects its inner parts * scleral venous sinus (canal of Schlemm)- an opening located at the junction of the sclera and cornea that drains fluid (aqueous humor)....
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- Fall '10