A 20 year old man is hit on the eye with a ball. On examination there is restriction of lateral and upward gaze and diplopia. There is no obvious visible sign of injury to the eye ball, but there is some enophthalmos, the likely diagonosis is ?
Ans. 'c' Blow out fracture of the orbit
Zygoma fracture
Maxillary fracture
Blow out fracture of the orbit
Injury to lateral rectus