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1. www.kenhub.com › en › libraryEye anatomy: Muscles, arteries, nerves and lacrimal gland ...

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   • Video Duration: 18 min

   • Bones of the orbit. The bony orbit is made out of seven bones, which include the maxilla, zygomatic bone, frontal bone, ethmoid bone, lacrimal bone, sphenoid bone and palatine bone.
   • Eyelid anatomy. The eyelids are soft tissue structures that cover and protect the anterior surface of the eyeball. The anatomy of the eyelid may seem complex, but if we dissolve its multi-layered structure it is actually quite simple
   • Lacrimal gland. The lacrimal gland is a part of the lacrimal apparatus, which besides the gland consists of its numerous ducts, the lacrimal canaliculi, lacrimal sac and nasolacrimal duct.
   • Eye muscles. There are two groups of eye muscles: Extraocular muscles that move the eyeballs within the orbit. Intrinsic ocular muscles which are within the eyeball itself and control how the eyes accommodate.

2. www.kenhub.com › en › libraryBlood vessels and nerves of the eye: Anatomy - Kenhub

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   • Long Posterior Ciliary Arteries
   • Short Posterior Ciliary Arteries
   • Anterior Ciliary Arteries
   • Central Retinal Artery

   These arteries branch from the ophthalmic artery near the optic nerve, and run anteriorly on both sides of the eyeball. They run between the sclera and the choroid layers, and they run to supply the ciliary musclewhere they divide further. These two arteries merge and form the circulus arteriosus major around the iris, which run inwards to form a s...

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   There are around 6-12 of these arteries for each eye. They branch from the ophthalmic artery as it curves medially to cross over the optic nerve. They pierce the back of the eye and run between the sclera (which they supply) and choroid, and supply up to the ciliary processes. They also give off smaller branches that supply the optic disc. They do ...

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   There are 7 of these arteries per eye, and they supply the sclera, and rectus muscles. They branch from the ophthalmic artery and pass forwards to the anterior aspect of the eyeball, where they pierce the sclera, near the cornea, and terminate in the circulus arteriosus major, that surrounds the iris. Medial, inferior and superior rectus are suppli...

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   This artery runs underneath the optic nerve and lies within the dural sheath of the nerve to reach the eyeball. It pierces the optic nerve itself near the back of the eye, and sends numerous branches over the internal aspect of the retina. In diabetic retinopathy, there can be haemorrhages and aneurysms that can form in this artery and its branches...

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3. patient.info › news-and-features › anatomy-of-the-eyeThe anatomy of the eye | Eye structure diagram - Patient

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   May 31, 2018 · It circulates through the front part of the eye and then drains away through an area called the trabecular meshwork, near the base of the iris. How does the eye work? In order for an object to be seen, the light coming from the object must hit the retina.

4. www.aao.org › eye-health › anatomyEye Anatomy: Parts of the Eye and How We See - American ...

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   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.

5. www.healthline.com › human-body-maps › eyeEye Pictures, Anatomy & Diagram | Body Maps - Healthline

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   Jan 19, 2018 · The eye has several major components: the cornea, pupil, lens, iris, retina, and sclera. Eyes are approximately one inch in diameter. Pads of fat and the surrounding bones of the skull protect...

6. www.hopkinsmedicine.org › anatomy-of-the-eyeAnatomy of the Eye - Johns Hopkins Medicine

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   The opening in the middle of the iris through which light passes to the back of the eye. Retina. The light-sensitive nerve layer that lines the inside of the back of the eye. The retina senses light and creates impulses that are sent through the optic nerve to the brain. Sclera.

7. People also ask

   What is the inner layer of the eye?

   • The inner layer of the eye is formed by the retina, the eye’s light detecting component and the intraoptic part of optic nerve (cranial nerve II). The retina is made up of two separate functional units: the optic and nonvisual parts. The optic part of the retina is light-sensitive and consists of two layers: neural and pigmented layers.

   Eye anatomy: Muscles, arteries, nerves and lacrimal gland - Kenhub

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   Which artery supplies the eye?

   • The eye is supplied by the ophthalmic artery, which is the first branch of the internal carotid artery, when it has travelled passed the cavernous sinus. The ophthalmic artery has numerous branches that supply the muscles that move the eye and surround the eye, the eyelid and the eyeball itself.

   Blood vessels and nerves of the eye: Anatomy - Kenhub

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   What are the branches of the ophthalmic artery?

   • The ophthalmic artery has numerous branches that supply the muscles that move the eye and surround the eye, the eyelid and the eyeball itself. The branches of the ophthalmic artery are divided into the orbital (supply the orbit and related structures) and the optical group (supply the eye and its muscles).

   Blood vessels and nerves of the eye: Anatomy - Kenhub

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   Where does the ophthalmic artery come from?

   • This artery arises from the ophthalmic artery near the optic canal. It runs with the lacrimal nerve to supply the lacrimal gland. The terminal branches of the artery pass through the lacrimal gland and supply the eyelids and conjunctiva as the lateral palpebral arteries, and pass medially to supply the upper and lower eyelids respectively.

   Blood vessels and nerves of the eye: Anatomy - Kenhub

   www.kenhub.com/en/library/anatomy/blood-vessels-and-nerves-of-the-eye

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   What is the middle layer of the eyeball?

   • The middle (a.k.a. vascular) layer of the eyeball houses the blood vessels of the eye. This layer specifically consists of the choroid, ciliary body and iris. The choroid is a pigmented layer of connective tissue and blood vessels located between the sclera and the retina.

   Eye anatomy: Muscles, arteries, nerves and lacrimal gland - Kenhub

   www.kenhub.com/en/library/anatomy/eye-anatomy

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   Which part of the eye carries blood to and from the eye?

   • Blood vessels. Tubes (arteries and veins) that carry blood to and from the eye. Caruncle. A small, red portion of the corner of the eye that contains modified sebaceous and sweat glands. Choroid. The thin, blood-rich membrane that lies between the retina and the sclera and is responsible for supplying blood to the outer portion of the retina.

   Anatomy of the Eye - Johns Hopkins Medicine

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8. www.visioncenter.org › eye-anatomy › lacrimal-glandLacrimal Gland Anatomy and Functions - Vision Center

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   Oct 9, 2024 · The lacrimal gland, a small organ in the human eye, is located above the eyeball towards the upper outer corner of the eye socket. This gland secretes the watery part of tears (lacrimal fluid) that cleanses, lubricates, and nourishes the eyes, often causing tearing when produced excessively.