Essay on The Aging Special Senses

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Vanessa McClain
Anatomy and Physiology GE 258
Unit 9. Assignment 2. The Aging Special Senses
Thursday, November 17, 2011

1.) Age-related Macular Disease – Is a disease associated with aging that gradually destroys sharp, central vision. Central vision is needed for seeing objects clearly and for common daily tasks such as reading and driving. AMD affects the macula, the part of the eye that allows you to see fine detail. There are two forms of age-related macular degeneration: Dry form and Wet form. The dry form is characterized by the presence of yellow deposits, called drusen, in the macula. A few drusen may not cause change in vision; however, as they grow in size and increase in number, they may lead to a dimming or …show more content…
6.) Meniere’s Disease – Is a disorder of the inner ear that can affect hearing and balance to a varying degree. It is characterized by episodes of vertigo and tinnitus and progressive hearing loss, though usually in one ear. It affects daily life because for some, sounds appear tiny or distorted and may experience unusual sensitivity to noises. In addition, you may experience a sensation of fullness or pressure in one or both ears and unilateral or bilateral tinnitus. Some may have parasitic symptoms, which aren’t necessarily symptoms of Meniere’s, but rather side effects from other symptoms. Typically these are nausea, vomiting and sweating.
7.) Ataxia – Is an inability to coordinate muscle activity during voluntary movement, most often results from disorders of the cerebellum or the posterior columns of the spinal cord; may involve the limbs, head or trunk. Affects one’s daily life because it can alter a person’s walking pattern. For e.g. wide based unsteady gain with difficulty stopping, turning and problem walking in poorly lit areas. It can cause falls due to postural instability, difficulty with tasks requiring fine control and coordination, tremors during voluntary movement, slurred speech and altered handwriting.
8.) Hyposomnia – literally means “less”
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