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TeachMe Anatomy The medical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. Gross Anatomy General characteristics The adult eye is a complex organ contained within the orbital cavity (composed of 7 bones). Each eye has multiple layers and chambers and is surrounded by 6 extraocular muscles. Layers of the eye : Fibrous Fibrous Fibrocystic Change layer: sclera and cornea Vascular layer (the uvea): choroid, ciliary body ... Human eye, specialized sense organ in humans that is capable of receiving visual images, which are relayed to the brain. The anatomy of the eye includes auxiliary structures, such as the bony eye socket and extraocular muscles, as well as the structures of the eye itself, such as the lens and the retina. The structures and functions of the eyes are complex. Each eye constantly adjusts the amount of light it lets in, focuses on objects near and far, and produces continuous images that are instantly transmitted to the brain. The orbit is the bony cavity that contains the eyeball, muscles, nerves, and blood vessels, as well as the structures that produce and drain tears. Each orbit is a pear-shaped structure that is formed by several bones.
