Step 7 Subperiosteal Orbital Dissection

Periosteal elevators are used to strip the periosteum over the orbital rim and anterior surface of the maxilla and zygoma, and orbital floor (Fig. 3-12). A broad malleable retractor should be placed as soon as feasible to protect the orbit and to confine any herniating periorbital fat._

Subperiosteal Dissection Lamina
Figure 3 12 Subperiosteal dissection of the orbital floor. Note the traction suture placed through the cut end of the conjunctiva, which assists in retracting the conjunctiva and maintains the corneal shield in place.

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