Anatomical Structure Of Eye
Anatomically the eye comprises two components fused into one. The human eye is a roughly spherical organ responsible for perceiving visual stimuli.
The Screen Of The Eye Retina Eye Anatomy Diagram Of The Eye Anatomy
The eye consists of three layers of tissue which make up the wall of the eye.
Anatomical structure of eye. Hence it does not possess a perfect spherical shape. The structure of eye comprises three coats within which further are three transparent structures. It is enclosed within the eye sockets in the skull and is anchored down by muscles within the sockets.
Light is focused by the lens and goes through. The eye has many parts which work together to accomplish vision and to keep the structures required for vision safe from infection and injury. The eye works much the same as a camera.
The lens is a clear flexible structure that is located just behind the iris and the pupil. Aperture Of The Eye. The inside lining of the eye is covered by special light-sensing.
The cornea is a transparent outer layer that has the dual purpose of protecting the inner parts of the eye and helping to focus images that are being viewed. The iris is a flat thin ring-shaped structure sticking in to the anterior chamber. The cornea and the lens help to focus the light rays onto the back of the eye retina.
This is the part that identifies a persons eye colour. Conjunctiva Of The Eye. Schematic of a vertebrate eye.
It is located approximately three millimeters behind the cornea. B Magnification of the anterior part of the eye depicting the structures involved in aqueous. For more details about specific structures of the eye and how they function visit these pages.
Light enters the eye by passing through the transparent cornea and aqueous humor. The colored ring of tissue behind the cornea that regulates the amount of light entering the eye by adjusting the size of the pupil. It primarily provides a fine-tuning adjustment to the primary focusing structure of the eye which is the cornea.
The outermost layer known as the fibrous tunic is composed of the cornea and sclera which provide shape to the eye and support the deeper structuresThe middle layer known as the vascular tunic or uvea consists of the choroid ciliary body pigmented epithelium and iris. This is called the gross anatomy of the eye and includes structures like the cornea iris pupil and sclera. The surface of the eye and of the inner eyelids is covered by a clear protective membrane called the conjunctiva.
Most of the eye is filled with a clear gel called the vitreous. Retina Anatomical Structure In The Eye In this image you will find the ciliary body iris cornea tear film pupil crystalline lens retina fovea macula in it. Cornea Of The Eye.
The outermost layer or the fibrous tunic consists of the cornea and sclera. The iris is the structure that characterizes eye color. Choroid Of The Eye.
Lens Of The Eye. Moving further on the innermost layer is the retina. The cells in the retina absorb and convert the light to electrochemical impulses which are transferred along the optic nerve and then to the brain.
Macula Lutea Of The Eye. Light passes through the front of the eye cornea to the lens. The Uvea Of The Eye.
By increasing and decreasing in size it controls the amount of light that enters the eye. This layer is a very stable fibrous membrane that continues to retain the shape of the eye and provides protection. The iris contains circular muscles which go around the pupil and radial muscles that radiate toward the pupil.
Anatomical structure of Eye. Light projects through your pupil and lens to the back of the eye. The eye is made up of three coats or layers enclosing various anatomical structures.
The central opening in the iris is called the pupil and acts as an aperture. A ring of muscular tissue called the ciliary body surrounds the lens and is connected to the lens by fine fibers called zonules. The White Of The Eye.
You may also find the optic nerve vitreous gel RPE bipolar cells ganglion cells amacrine cells horizontal cells as well. Together the lens and the ciliary body help control fine focusing of light as it passes through the eye. Sclera cornea and conjunctiva.
Connected to the sclera are the extra-ocular or extrinsic muscles of the eye. The sclera is the outermost layer of tissue also called the white of the eye. In the middle layer we have the vascular tunic or uvea consisting of the choroid ciliary body and the iris.
Eye ball consists of three layers. The choroid continues at the front of the eyeball to form the Iris. The main parts of the human eye are the cornea iris pupil aqueous humor lens vitreous humor retina and optic nerve.
The transparent structure suspended behind the iris that helps to focus light on the retina. It consists of following parts. Ciliary body choroid and iris.
A Basic structures of the vertebrate eye have been colour coded. The iris controls the size of the pupil which is the opening that allows light to enter the lens.
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