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Welcome to Vegas Lawyer. This site is for people who were hurt in Nevada. Contact us for a free consultation. You may want to read the Las Vegas Personal Injury Law introduction on our home page. Also, you can get an overview of other Nevada Legal Topics before you read the Article below.
The eyes are sometimes called the "windows to the soul". Regardless of the philosophical meaning of the statement, the eyes can at least serve as a physiologic window to the body. The eyes can be used to identify certain neurologic disorders, vascular problems, etc.
There are various forms of eye disorders. Physical trauma and cataracts affect the outermost layers of the eye. Glaucoma, retinitis pigmentosa, and macular degeneration are few examples of problems affecting the inner portions of the eye. Double vision, strabismus, dilated pupils can be caused by muscular or neural origins. Difficulty in vertical or horizontal gaze may potentially indicate brain defects. The possibilities are numerous, making the eye check-up a useful aspect of the physical exam.
Vision is the sensory modality that permits the individual to perceive the environment in terms of brightness, color, orientation, and depth. The organ for vision is the eye, where the retina consists of two sensory cells called cones and rods. Cones permit high visual acuity and color perception. Rods are suited for vision in low-light conditions. The rods and cones detect the light it receives from the environment and indirectly transduce the information to neural action potentials. The neural information is then transferred to the brain for processing in the visual cortex of the opposite side.
The presence of two eyes provides binocular vision for depth perception. Leela in the "Futurama" animated series is a cyclops, having only one eye. As a result, her lack of depth perception is parodied in the cartoon.
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