All the following signs could result from infection within the right cavernous sinus except-

Cavernous sinus thrombosis Source → Infection from nose, sinuses, orbits, ear or pharynx Onset → Abrupt with high fever and chills and with signs of toxemia. Cranial N involvement → III to VII Ocular features Patient develops severe pain in the eye and forehead of the involved side. Conjunctiva is swollen and congested Proptosis Ptosis (due to 3rd N. palsy) Ophthalmegia (due to palsy of 3rd , 4th and 6th cranial N) Dilated pupil (due to 3rd N involvement) Retinal veins shows congestion Papilloedema Fundus may be normal