WGU C475 OA- Care of the Older Adult Exam | Questions and Verified Answers| 100% Correct | 2023/ 2024 New Update

WGU C475 OA- Care of the Older Adult Exam | Questions and Verified Answers| 100% Correct | 2023/ 2024 New Update QUESTION What is the leading cause of vision loss among Americans aged 65 and older? Answer: Age-Related Macular Degeneration QUESTION Age-Related Macular Degeneration Answer: - Degenerative disease of the retina - Causes progressive loss of vision in the center of the eye - Dry and Wet types QUESTION Retina Answer: inner most posterior part of the eyeball receives images produced by the lens and consists of several layers - one of which contains rods and cones that are sensitive to light QUESTION dry type macular degeneration Answer: - accounts for 90% of cases - light-sensitive cells in the macula slowly break down, leading to a gradual loss of central vision QUESTION wet type macular degeneration Answer: - caused by growth of abnormal blood vessels under the macula QUESTION Diabetic Retinopathy Answer: - Condition in which diabetes causes blood vessels that feed the retina of the eye to break - May progress through 4 stages: Mild nonproliferative, Moderate nonproliferative, Severe nonproliferative, Proliferative QUESTION More than ________ of Americans diagnosed with diabetes have some sort of diabetic retinopathy Answer: 30% QUESTION What is the most common cause of vision loss among people with diabetes? Answer: Diabetic Retinopathy QUESTION What is the leading cause of blindness among working-age adults? Answer: Diabetic Retinopathy QUESTION Glaucoma Answer: - Caused by build-up of pressure in the eye that damages the optic nerve which transmits impulses to the brain that create sight - Affects side/peripheral vision causing the edges of the visual field to fade. - Causes tunnel vision QUESTION What are the clinical signs of low vision? Answer: - Reduced distance and near acuity - Reduced field of vision - Reduced contrast sensitivity - Reduced color recognition - Glare sensitivity - Scotomas QUESTION What interventions can be used to help individuals with low vision? Answer: - Magnification - lighting - contrast - Assistive technology - decreased environmental stimuli - organization QUESTION Visual Perceptual Processing: Identification of Oculomotor Control Answer: - Enables quick and accurate eye movements - Purpose: to achieve and maintain foveation of an object - Ensures that the object that the person wishes to view is focused on the fovea of both retinas