Fig. 45-1. Anterior aspect of the right bony orbit. A, showing the main sutures (1, 2, 3) between the bones of the margin of the orbit. The infraorbital suture in the maxilla (above the infraorbital foramen) indicates the line of closure of the infraorbital canal. B, surface anatomy of the eye and orbit. C, the bones that form the roof, floor, and walls of the orbit. Click for high resolution image.