A patient had running nose and pain over medical aspect of eye being treated with decongestants for many days. He later developed chemosis,proptosis and diplopia on abduction of right eye with congestion of optic disc. What is the probable diagnosis?

A patient had running nose and pain over medical aspect of eye being t

1.	A patient had running nose and pain over medical aspect of eye being treated with decongestants for many days. He later developed chemosis,proptosis and diplopia on abduction of right eye with congestion of optic disc. What is the probable diagnosis?
A.	Acute ethmoidal sinusitis
B.	Orbital cellulitis
C.	Cavernous sinus thrombosis
D.	Orbital apex syndrome
Answer» D. Orbital apex syndrome