Answered

What is a Snellen chart used for during a cranial nerve examination?

1. To test sensation to the face
2. To test the sense of smell
3. To test visual acuity
4. To test oculomotor movements
5. To test for an afferent pupillary defect



Answer :

GinnyAnswer

Final answer:

The Snellen chart is used to test visual acuity during a cranial nerve examination by presenting standard Roman letters in varying sizes.


Explanation:

The Snellen chart is used during a cranial nerve examination to test visual acuity. It involves presenting standard Roman letters in different sizes to assess a person's ability to see them at a specified distance, typically 20 feet. The results are expressed as a fraction, such as 20/20 or 20/60, indicating the clarity of vision compared to a person with normal acuity.


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