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Nov 3, 2023 · Eyeball (Bulbus oculi) The eye is a highly specialized sensory organ located within the bony orbit. The main function of the eye is to detect the visual stimuli (photoreception) and to convey the gathered information to the brain via the optic nerve (CN II). In the brain, the information from the eye is processed and ultimately translated into ...
Apr 29, 2023 · Behind the anterior chamber is the eye’s iris (the colored part of the eye) and the dark hole in the middle called the pupil. Muscles in the iris dilate (widen) or constrict (narrow) the pupil to control the amount of light reaching the back of the eye. Directly behind the pupil sits the lens. The lens focuses light toward the back of the eye.
Mar 20, 2021 · The eyeball is a bilateral and spherical organ, which houses the structures responsible for vision. It lies in a bony cavity within the facial skeleton – known as the bony orbit. Anatomically, the eyeball can be divided into three parts – the fibrous, vascular and inner layers. In this article, we shall consider the anatomy of the eyeball ...
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Sep 25, 2024 · The eyeball is located within the orbit, a bony cavity in the skull. It is surrounded by extraocular muscles , fat, and connective tissue, which help protect it and enable movement. The eyeball is connected to the brain via the optic nerve and is protected by the eyelids and lacrimal apparatus (tear-producing structures).
The eye is cushioned within the orbit by pads of fat. In addition to the eyeball itself, the orbit contains the muscles that move the eye, blood vessels, and nerves. The orbit also contains the lacrimal gland that is located underneath the outer portion of the upper eyelid.
Oct 29, 2024 · The ciliary nerves leave the globe through openings in the sclera, not in company with the optic nerve, which is concerned exclusively with responses of the retina to light. 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 ...
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pupil. lens. eyeball, spheroidal structure containing sense receptors for vision, found in all vertebrates and constructed much like a simple camera. The eyeball houses the retina —an extremely metabolically active layer of nerve tissue made up of millions of light receptors (photoreceptors)—and all of the structures needed to focus light ...
