The nurse is testing the visual acuity of a patient in the outpatient clinic. The nurse's instructions for this test include asking the patient to
a. stand 20 feet from the wall chart.
b. follow the examiner's finger with the eyes only.
c. look at an object far away and then near to the eyes.
d. look straight ahead while a light is shone into the eyes.
ANS: A
When the Snellen chart is used to check visual acuity, the patient should stand 20 feet away. Accommodation is tested by looking at an object at both near and far distances. Shining a pen light into the eyes tests for pupil response. Following the examiner's fingers with the eyes tests extraocular movements.
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