<prompt> Paralysisof 3rd, 4th, 6th nerves with involvement of ophthalmicdivisionof5thnerve, localizes the lesion toApex of orbitBrainstemCavernous sinusBase of skull  <response>: Ipsilateral ophthalmoplegia causing diplopia occur due to 3rd, 4th 6th cranial nerves.6th nerve passes through cavernous sinus and others are related to the lateral wall of cavernous sinuses. 