The nurse is aware that the patient has 20/40 vision. This means that the patient can see at 20 feet what the normal eye can see at _______ feet
a. 100
b. 200
c. 300
d. 400
ANS: B
The Snellen Eye Chart tests visual acuity. A vision evaluation of 20/40 means that the patient can see at 20 feet what the person with normal vision can see at 200 feet.
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