The retina is the light-sensitive layer lining the inside rear of this organ
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Eye - Wikipedia  Eyes are organs of the visual system. They provide organisms vision, the ability to process visual detail, as well as enabling several photo response functions that are independent of vision. Eyes detect light and convert it into electro-chemical impulses in neurons. ... onto a light-sensitive panel of cells, known as the retina, at the rear of the eye...
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The Human Eye - Florida Lions Foundation for the Blind, Inc.  The human eye is the organ which gives us the sense of sight, allowing us to learn more ... A thin lining over the sclera, or white part of the eye. ... The inner layer of the cornea is also made up of transparent tissue, which allows light to pass. ... The part of the retina which is most sensitive, and is responsible for the central (or...
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Retina - Wikipedia  The retina is the third and inner coat of the eye which is a light-sensitive layer of tissue. ... body, a visual relay station in the diencephalon (the rear of the forebrain). .... This organ is extremely rich in blood vessels and is thought to supply ... Inside the cell the normal levels of cyclic guanosine monophosphate (cGMP) keep...
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Sense Organs Flashcards | Quizlet  large papillae, rear of tongue, few in number they contain up to half of all taste buds. ... sense of smell, lining roof of nasal cavity is a small area of epithelium .... dense connective tissue, outermost layer of eye. blood vessels and nerves run throughout. ... photoreceptors inside the retina, stimulated by light rays to produce an...
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Eye - humans, body, water, chemical, energy, animals, cells, cause  The eye is the organ of sight (vision) in humans and animals. The eye works by ... and the retina. Cones: Light-sensitive nerve cells of the retina that function chiefly in bright light and are sensitive to color. ... Retina: Photosensitive lining inside the eye. ... The sclera, the outer fibrous layer, encases and protects the eyeball.
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Structure and Function of the Eyes - Eye Disorders - Merck Manuals ...  The structures and functions of the eyes are complex. ... The orbit is the bony cavity that contains the eyeball, muscles, nerves, and blood ... The iris allows more light into the eye (enlarging or dilating the pupil) when ... Behind the iris sits the lens . ... The retina contains the cells that sense light (photoreceptors) and the blood...
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Optic part of retina - The Free Dictionary  The light-sensitive membrane that lines the inside of the back of the eyeball, connected to the brain by the optic nerve. The retina of vertebrate animals contains...
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Eye - Health and Medical Information produced by doctors ...  The outer part of the eye is composed of three layers of tissue. ... The middle layer of the coating of the eye is the choroid, a vascular layer lining the posterior .... Laser beams are sometimes used to weld detached retinas back onto the eye.
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Learn about Your Eye and How Vision Works! - Home Science Tools  The eye's inner layer is composed of the retina: thin tissue that contains blood ... Every human eye contains about 120 million rods and 7 million cones. ... Four different surfaces bend the light as it enters the eye: the cornea, the ... When all four of these bend the light appropriately, you see a focused image of the object.
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Neuroscience For Kids - Retina - University of Washington  The Retina eye ... These specialized cells are called photoreceptors. There are 2 types of photoreceptors in the retina: rods and cones. ... and dark changes, shape and movement and contain only one type of light-sensitive pigment. ... try to look at it with your peripheral vision and use your ROD VISION to see the dim star.
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Retinal Detachment. Detached retina symptoms; information | Patient  The retina is a structure at the back of the eye which is important for sight. When two ... There is an inner layer of 'seeing cells' called rods and cones. These ... In the middle of the macula is an area called the fovea, which only contains cones. .... The bubble pushes the detached part of the retina flat back up against the RPE.
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Retinal Detachment. Detached retina symptoms; information | Patient  The retina is a structure at the back of the eye which is important for sight. ... The light-sensitive cells lose contact with their nourishing layer and eventually start to atrpohy and die. ... Vitreous detachment leads to retinal tear in 10-15% of cases. ... Inflammation, eye surgery, eye infection or eye trauma can cause scar tissue...
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Anatomy and Structure of the Eye | BrightFocus Foundation  Ciliary body: Part of the eye, above the lens, that produces the aqueous humor. Choroid: Layer of the eye behind the retina, contains blood vessels that nourish ... Cornea: The outer, transparent structure at the front of the eye that covers the iris, ... Iris: The colored ring of tissue behind the cornea that regulates the amount of...
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Retina - Wikipedia  The retina is the third and inner coat of the eye which is a light-sensitive layer of tissue. ... Neural retina typically refers to three layers of neural cells (photo receptor ... For vision, these are of two types: the rods and cones. .... The optic nerve carries the ganglion cell axons to the brain and the blood vessels that open into the...
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The Heart Flashcards | Quizlet  a thin membrane lining the closed cavities of the body ... in serous membranes lining the ventral body cavity and covering its organs ... tough, white fibrous connective tissue that is the outer layer of the pericardium ... Doesnt fold inside out.
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Neuroscience For Kids - Retina - University of Washington  The retina is the back part of the eye that contains the cells that respond to light. These specialized cells are called photoreceptors. There are 2 types of photoreceptors in the retina: rods and cones. ... However, cones are most sensitive to one of three different colors (green, red or blue).
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Anatomy of the Eye | Red Rover Ventures  The optic nerves from both eyes join together in the brain in a way so that ... Cornea: The cornea is the transparent, dome-shaped window covering the front of the eye. It is a powerful refracting surface, providing 2/3 of the eye's focusing power. ... Retina: The retina is the light-sensitive layer of tissue at the back of the inner...
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Anatomy of the Eye  AAPOS  These muscles work to move the eye up and down, side to side, and to rotate the eye. ... Tenon's capsule is a layer of tissue that lies between the surface of the eye ... The cornea occupies the front center part of the outer wall of the eye. ... Muscles in the iris cause the pupil to constrict in bright light and to dilate in dim light.
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The Development of the Eye  1. To understand the structure and development of the eye. 2. To understand the ... These two layers are separated by the intraretinal space (Fig. ... The inner layer is continuous with the choroid and is called the iridopupillary membrane and .... Congenital Detached Retina   This occurs when the intraretinal space persists.
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Coats of the Eye - Iris  Towards the front of the eye, the muscles of the iris (colored portion of the eye) control the amount of light ... In bright light, the sphincter muscle contracts while the dilator muscle relaxes, closing down the pupil and making the aperture smaller.
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Retina - Wikipedia  The retina is the third and inner coat of the eye which is a light-sensitive layer of tissue. ... These make synapses with dendrites of bipolar cells. ... Below the pit the other retina layers are displaced, before building up along the foveal slope ..... is 8.75 megabits per second, whereas guinea pig retinas transfer at 875 kilobits.