Practice Quiz

CEN Practice Exam (Certified Emergency Nurse)

Category - Eyes

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What is the accurate procedure for performing a confrontational peripheral vision test?
  1. Both examiner and patient cover the same eye and stare at each other while an object is brought into the line of sight.
  2. Examiner and patient cover opposite eyes and stare at each other while an object is brought into the line of sight.
  3. The patient is asked to discriminate numbers from a chart composed of colored dots.
  4. The room is darkened and the patient is asked to identify colored blocks and shapes when they appear in the visual field.
Explanation
Answer: B - The examiner and the patient cover the opposite eyes and stare at each other while an object is brought into the line of sight. This test assumes that the examiner has normal vision. The patient indicates when they can see the object. This tests nasal, superior, temporal and inferior visual fields.
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