Al ain parts: Look at the photos with a look at your eyes

Under the care of parts of the eye with photos, the eye consists of many parts, including parts you can see, and others that are not seen with the naked eye, in the following parts of the eye with photos and functions. 1. The eyelids are your windows to the world, but it is necessary to preserve and protect the parts of the eye from the elements that prevent it from seeing. The upper and lower eyelids protect the eyes by preventing the entry of foreign bodies and bright light, in addition to the eyelids that involuntarily wink every few seconds, during each thyroid, the fluid that spreads through tear glands over the cornea and moisturizes the surface of each eye, it helps to retain the moisture of the eye and removes the germs. 2.. The front part of the eye of the front of the eye contains three main sections, and it contains: solid eye: which is the white part of the eye, and it forms a strong external barrier that retains the spherical shape of the eye and protects the exact inside -parts in the eye. The pupil: It is the black spot in the middle of the eye that allows light to go to the background of the iris: it is the colored part of the eye, and it contains muscle fibers in the form of a loop that expands or shrinks the size of the pod and controls the amount of light that enters the eye. In the eye, a thin and transparent tissue called the conjunctiva covered the solid eye, and the blood vessels in the white part of the eye arrive in the conjunctiva. 3. The interior is the other parts of the eye that help you vision the vision and that includes: the cornea: as a protective dome of the transparent tissue to the front of the eye, and forms a convex surface that helps concentrate light rays before accurately controlling the lens of the lens. The lens: an oval -shaped transparent building equal to the size of a small circle track, the curvature of the lens changes to suit itself and can focus well. The glass body: a cavity that covers the area between the background of the lens and between the background of the eye and helps to retain its shape, this area is full of a transparent substance that looks like the bright and light can go through it. 4. Al -baqa: A specialized part is located in the middle of the retina in the back of the eye. This stain contains delicate light -sensitive cells, which are essential for the central vision and helps to see the fine details. The optic nerve: Carry the information collected by the retina and transport it to the brain. How does the eye move? Each eye has six muscles connected to the eye of the eye, ie the white part of the eye, these muscles are five of which you are shown before you, through which the eye can move to detect a specific body without moving the head, the eye muscles can change your vision to the left, right, top and bottom and on a skiller. The brain coordinates the movement of the eye in a way that makes the eyes move when they are detected to a body. By web medicine