A patient complaining of double vision is asked to follow your moving finger. When asked to look left, their right eye looks to the left but their left eye cannot. Which nerve structure is injured?
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21. Which nerve do you think is involved in Mr. Pratchett's condition? Explain your reasoning. The lateral rectus and superior oblique extrinsic eye muscles are functioning. Based on this information, which cranial nerve is unable to move his affected eye in any direction except laterally and downward, indicating that only his abducens nerve is affected. Your patient, Mr. Pratchett, is unable to open his eyelid. On examination, you find that his pupil is dilated, and the injury and now finds that his sense of smell has diminished. What is likely causing this?
Adi S.
If a patient has difficulty looking down and to the side, which cranial nerve may be damaged?
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