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the thin transparent membrane that lines the inner eyelids and the surface of the eyeball (excluding the cornea)
Function and Components of Lacrimal Apparatus
Lacrimal gland, punctum, canaliculus, and sac (clockwise from top), responsible for tear production for lubrication and hydration
2 inch deep skull cavity, lined by orbital bones. Contains eyeball and its muscles, blood supply, nerves, and fat.
Cornea function and layers
clear, round membrane at front of globe (avascular), which focuses light rays. (front to back) Epithelium, bowman's membrane, stroma, descemet's membrane, and endothelium
Anterior chamber angle
corners of anterior chamber, responsible for aqueous outflow by ant. cham. angle, trabecular meshwork, and canal of schlemm
the opening in the center of the iris, dilated (widened) by dilator muscle, and constricted by the sphincter muscle
behind the iris and in front of vitreous, suspended by zonules attached to ciliary body. focuses on object as they come closer to the eye: accommodation
thin, neural tissue which lines between vitreous and sclera, extending to the brain. receives the image before sending to brain for interpretation
in back of the eye connecting eyes to brain, takes retinal images and converts them into neural impulses to go to brain
Wiring from optic nerves to occipital cortex in brain: optic chiasm, optic tracts, optic radiations, and occipital cortex
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