Ophthalmology Paralysis of 3rd, 4th, 6th nerves with involvement of ophthalmic division of 5th nerve, localizes the lesion to – A Cavernous sinus B Apex of orbit C Brainstem D Base of skull 💡 Explanation Paralysis of 3rd, 4th, 6th nerves with involvement of ophthalmic division of 5th nerve, localizes the lesion to - ✓ Correct Answer: A. Cavernous sinus