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29 kwi 2023 · Learn about the basic structure and function of the eye, from the outside to the inside. See illustrations and explanations of the cornea, iris, lens, retina, optic nerve and more.
3 lis 2023 · The main function of the eye is sight, and the nerve that enables sight is the optic nerve (CN II). Nerves that innervate the extraocular muscles are called bulbomotors and they are the oculomotor (CN III), trochlear (CN IV) and abducens (CN VI) nerves.
23 paź 2024 · The following are parts of the human eyes and their functions: 1. Conjunctiva. The conjunctiva is the membrane covering the sclera (white portion of your eye). The conjunctiva also covers the interior of your eyelids. The conjunctiva helps lubricate the eyes by generating mucus and tears.
29 paź 2024 · 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.
Humans have two eyes, situated on the left and the right of the face. The eyes sit in bony cavities called the orbits, in the skull. There are six extraocular muscles that control eye movements. The front visible part of the eye is made up of the whitish sclera, a coloured iris, and the pupil.
3 lis 2023 · Learn about the structure and function of the eyeball, a spheroidal sensory organ that detects visual stimuli and conveys them to the brain. The eyeball consists of three layers: fibrous, vascular and nervous, and contains refractive media and chambers.
Eye anatomy. The parts of your eye include the: Cornea. This protects the inside of your eye like a windshield. Your tear fluid lubricates your corneas. The corneas also do part of the work bending light as it enters your eyes. Sclera. This is the white part of your eye that forms the general shape and structure of your eyeball. Conjunctiva.