All the following signs could result from infection with in the right cavernous sinus except-: (A) Constricted pupil in response to light, (B) Engorgement of the retinal veins upon ophthalmoscopic examination, (C) Ptosis of the right eyelid, (D) Right ophthalmoplegia
Answer is A. Cavernous sinus thrombosis *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) *Dilated pupil (due to 3rd N involvement ) *Retinal veins shows congestion. *Papilloedema *Fundus may be normal Ref: Khurana 7th/e p.428