Diagrams of the Human Eye

Get these printable and free diagrams of the human eye for you who want to learn more deeply into the visual anatomy of the human body. The eye is not shaped like a perfect sphere, rather it is a fused two-piece unit, composed of the anterior segment and the posterior segment. The anterior segment is made up of the cornea, iris and lens. The cornea is transparent and more curved, and is linked to the larger posterior segment, composed of the vitreous, retina, choroid and the outer white shell called the sclera. Look at the following diagram to see the illustration of the eye structure.

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In the diagram of the human eye above, you can see that the eye is made up of three coats, or layers, enclosing various anatomical structures. The outermost layer, known as the fibrous tunic, is composed of the cornea and sclera. The middle layer, known as the vascular tunic or uvea, consists of the choroid, ciliary body,  pigmented epithelium and iris. The innermost is the retina, which gets its oxygenation from the blood vessels of the choroid (posteriorly) as well as the retinal vessels (anteriorly).

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Just behind the iris and pupil lies the lens, which helps to focus light on the back of the eye. Most of the eye is filled with a clear gel, called the vitreous. Light projects through the pupil and the lens to the back of the eye. The inside lining of the eye is covered by special light-sensing cells, together called the retina. The retina converts light into electrical impulses. Behind the eye, the optic nerve carries these impulses to the brain. The macula is a small sensitive area within the retina that gives central vision. It is located in the centre of the retina and contains the fovea.

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The eye anatomy is well illustrated in these diagrams above. Get them for free by clicking on the images. Find other anatomy and educational diagrams in the posts of this site!

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Diagrams of the Human Eye on Diagram Site. This diagram pictures uploaded by Cassidy Smith on 16 June 2017 at 10:20 am. If you feel this image of Diagrams of the Human Eye is useful for you, feel free to share this nice Anatomy to your social media account.