extra notes test 4

extra notes test 4 - and sends them to the brain via the...

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Retinal detachment is a disorder of the eye in which the retina peels away from its underlying layer of support tissue. Initial detachment may be localized, but without rapid treatment the entire retina may detach, leading to vision loss and blindness . It is a medical emergency . o The retina is a thin layer of light-sensitive tissue on the back wall of the eye. The optical system of the eye focuses light on the retina much like light is focused on the film in a camera. The retina translates that focused image into neural impulses
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Unformatted text preview: and sends them to the brain via the optic nerve . Occasionally, posterior vitreous detachment , injury or trauma to the eye or head may cause a small tear in the retina. The tear allows vitreous fluid to seep through it under the retina, and peel it away like a bubble in wallpaper. • The spinocerebellar tract is a set of axonal fibers originating in the spinal cord and terminating in the ipsilateral cerebellum . This tract conveys information to the cerebellum about limb and joint position ( proprioception )....
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This note was uploaded on 07/12/2011 for the course NURSING 000 taught by Professor Clark during the Spring '11 term at Alabama.

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extra notes test 4 - and sends them to the brain via the...

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