A 56-year-old patient has come to the clinic for his routine eye examination and is told he needs bifocals. The patient asks the nurse what in his eye has changed so he need bifocals. What should the nurse respond?
A) "You know, you are getting older now and we change as we get older."
B) "The parts of our eyes age, just like the rest of us."
C) "There is a gradual thickening of the lens of the eye and it can limit accommodation of the eye."
D) "The eye gets shorter, back to front, as we age and it changes how we see things."
Ans: C
Feedback: All cells formed throughout life are retained by the lens, which makes the cell structure of the lens susceptible to the degenerative effects of aging. The lens continues to grow throughout life, laying down fibers in concentric rings. This gradual thickening becomes evident in the fifth decade of life and eventually results in an increasingly dense core or nucleus, which can limit accommodative powers. This makes options A, B, and D incorrect because they give the patient misinformation. Options A and B make light of the patient's question, making it inconsequential.
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