An older female patient is reading a large-print magazine and states that reading is difficult for her in the evening. Which intervention should the nurse implement?
a. Put a high-intensity lamp at the head of her bed.
b. Explain to her that the gray-yellow ring around her cornea, arcus senilis, is inter-fering with visual acuity.
c. Put more powerful tubes in the fluorescent room lights.
d. Examine her retinas for signs of damage.
A
The pupil becomes gradually smaller with age; therefore the eye requires three times as much light. A high-intensity light on the object of interest is more effective than increasing the overall room illumination. The arcus senilis does not affect vision. The patient is describing a gradual overall change, not the more localized or sudden effects of macular degeneration or retinal detachment.
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