Practice Quiz

Ophthalmic Technician

Category - Visual Assessment

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A young, healthy woman undergoes LASIK in both eyes. She complains of poor night vision following the procedure. What is the most likely cause?
  1. Night myopia
  2. Dry eyes
  3. Loss of contrast sensitivity
  4. Vitamin A deficiency
Explanation
Answer: C - The most likely cause for poor night vision following LASIK is loss of contrast sensitivity.

Although dry eyes is one of the most common complains following LASIK surgery, loss of contrast sensitivity is the most important cause of poor night vision.
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