The nurse is teaching older adults about maintaining health and wellness. Which recommendation should the nurse include in the teaching to maintain optimal vision?
a. Take 50,000 units of vitamin A daily.
b. Wear sunglasses that block sun rays.
c. Read in good light to avoid eye strain.
d. Visit the ophthalmologist every 5 years.
B
The nurse helps older adults preserve their vision by recommending sunglasses that block harmful ultraviolet rays. Although vitamin A intake is encouraged to promote visual health and to relieve dry eyes, 50,000 units is a huge dose with the potential to cause liver damage; this dose is used to treat acne but only for limited periods. Reading in good light is usually easier for older adults; however, reading in poor light does not cause eye damage. An ophthalmologist should check the vision of an older adult every year.
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