Which clinical feature of differentiates orbital apex syndrome (OAS) from superior orbital fissure syndrome (SOFS)?
Proptosis and loss of ocular movements can occur in both. Horner syndrome is more likely a feature of cavernous sinus syndrome which differentiates it from superior orbital fissure syndrome. As orbital apex syndrome affects optic canal , it causes loss of vision which differentiates it from SOFS.
Proptosis
Horner's syndrome
Loss of vision
Loss of ocular movements
Investigation in ophthalmology and miscellaneous topics