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NURS 1016: SENSORY CHANGES OF AGING EXAM QUESTIONS AND VERIFIED ANSWERS $9.49   Add to cart

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NURS 1016: SENSORY CHANGES OF AGING EXAM QUESTIONS AND VERIFIED ANSWERS

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NURS 1016: SENSORY CHANGES OF AGING EXAM QUESTIONS AND VERIFIED ANSWERS Loss of elasticity eyelids drooping (senile ptosis). Ectropion/entropion decrease in orbicular muscle strength. Arcus senilis lubricating cells decrease, causes irritation and dryness. Eye and vision - Cornea is flat...

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  • November 19, 2024
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  • 2024/2025
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NURS 1016: SENSORY CHANGES OF AGING EXAM

QUESTIONS AND VERIFIED ANSWERS


Loss of elasticity

eyelids drooping (senile ptosis).

Ectropion/entropion

decrease in orbicular muscle strength.

Arcus senilis

lubricating cells decrease, causes irritation and dryness.

Eye and vision

- Cornea is flatter, less smooth and thicker→ loss of sparkling transparency

- Decreased ability to accommodate (presbyopia) to close and detailed work - begins in

the 30s

- Peripheral vision also deteriorates

- Pupil dilation and constriction is slowed

- Pupils become smaller (3x the light to see things)

- Lens opacity cataracts may develop (begin in the 40s)

- Colour clarity decreases. Easier to see reds, oranges and yellows than blues, violets

and greens

- May get - floaters

- Reabsorption of the intraocular fluid becomes less efficient (potential for glaucoma)

Keratoconjunctivitis

, dry eyes due to diminished tear duct production with aging. Risk increases: vitamin A

deficiency, medication, menopause. Treatment: artificial tears.

Glaucoma

Increased intraocular pressure. Normal IOP 12- 22 mmHg. Cause: variable & often

unknown, assoc. with diabetes. Most common type - open angle glaucoma. Risk

factors: Age. Family Hx. Steroid use. Past eye injuries. 'silent thief' - when dx 20%

vision lost. Drops to decrease IOP. Beta Blockers. May need laser surgery to prevent

any further vision loss.

Cataracts

occurs in those 65 +. Most common risk factor is heredity & advancing age. Fatty

deposits in the ocular lens, decreased lens opacity and decreased visual acuity.

Cataracts signs and symptoms

- Clouding of lens

- Halos around objects as light is diffused

- Blurry vision and diminished colour acuity

Treatment for cataracts

- Surgery- replacement of lens with an intraocular lens

- Nursing care and education

Age-related macular degeneration

- Macula degeneration

- Loss of central vision, only peripheral vision left intact

Acute macular degeneration (AMD)

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