The retinal artery and vein run centrally in the intraorbital section of the nerve. Choriocapillaris - a plexus of large capillaries. 6 Sclera Dense, tough outer tunic of collagenous fibrous tissue. At the limbus , where it is more vascular, related to Schlemm's canal and the ciliary body. Near to the limbus are the insertions for the oculomotor skeletal muscles moving the eye.
Eyelids protect and lubricate the eye's anterior surface.
Fine skin with a loose dermis faces outward. Levator palpebrae muscle raises the upper lids. Tarsal plates of dense CT have imbedded in them Meibomian sebaceous glands to make protective secretions. Eyelash hair follicles are separated by the sweat glands of Moll and sebaceous glands of Zeiss. 2 Conjunctiva l Palpebral conjunctiva lines the eyelids, and bulbar covers the eyeball's sclera, with the fornices as the angle of reflection.