Enophthalmos caused by fracture of -: (A) Floor of orbit, (B) Medial wall of orbit, (C) Lateral wall of orbit, (D) Roof of orbit
Answer is A. It is seen in Orbital blowout fractures where orbital floor is fractured. 3 factors responsible for enopthalmos : Escape of Orbital fat into maxillary sinus. Backward traction on the globe by entrapped inferior rectus muscle. Enlargement of orbital cavity from displacement of fragments. Ref: AK Khurana 6thE pg423