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Touhy Chapter 11: Vision Touhy Chapter 12: Hearing exam with correct answers 2024 $11.49   Add to cart

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Touhy Chapter 11: Vision Touhy Chapter 12: Hearing exam with correct answers 2024

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  • Touhy Chapter 11: Vision Touhy Chapter 12: Hearing

Arcus senilis correct answers a half-circle of gray, white, or yellow deposits in the outer edge of the cornea. Made of fat and cholesterol deposits. In older adults, arcus senilis is common and is usually caused by aging. Ectropion correct answers The eyelid turns outward. This leaves the inn...

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  • August 26, 2024
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  • Touhy Chapter 11: Vision Touhy Chapter 12: Hearing
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Touhy Chapter 11: Vision Touhy Chapter
12: Hearing

Arcus senilis correct answers a half-circle of gray, white, or yellow deposits in the outer
edge of the cornea. Made of fat and cholesterol deposits. In older adults, arcus senilis is
common and is usually caused by aging.

Ectropion correct answers The eyelid turns outward. This leaves the inner eyelid
surface exposed and prone to irritation.

Entropion correct answers Eyelid (usually the lower lid) folds inward. It is very
uncomfortable, as the eyelashes continuously rub against the cornea causing irritation.

Vison correct answers All age-related vision changes affect visual acuity (clarity) and
accommodation (ability to focus near & far)

Dry eye syndrome (DES) correct answers •not a disease, but a frequent complaint of
Oas
•Causes: Age, medications & diseases
•Home care: humidifier, avoid wind/hair dryers, Vitamin A
•TX: moisturizing eye drops, surgery if needed.
•Cornea flattens, thickens, less smooth - astigmatism - misshaped cornea or lens

Presbyopia correct answers ↓d near vision; starts ~ age 45-55

color vision changes correct answers •less accurate w/ blues, violets & greens. Color
clarity ↓s

Anterior chamber correct answers •↓s in size - decreased fluid movement lead to
glaucoma

Retina changes correct answers •Less blood to retina, ↓ vitreous humor lead to
increased risk for retinal detachment

depth and perception correct answers can decrease especially with persons who wear
bi-focal or tri-focal lenses

Increased opacity of lenses correct answers cataracts

capillary muscles correct answers •↓d diameter atrophy of muscles - persistent
constriction
95% of adults > 65 wear glasses for near vision

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