Orbital Floor Fracture Anatomy

Treatment for orbital fracture comprises of surgery in severe cases and ice packs rest and antibiotics in mild fractures.

Orbital floor fracture anatomy. Orbital floor fractures disease entity. Tenderness or step offs. The floor is likely to collapse because the bones of the roof and lateral walls are robust. Blowout fractures can occur through one or more of the orbital walls.

Most commonly the inferior orbital wall i e. Inferior blowout fractures involving the floor of the orbit maxillary sinus roof are the most common followed by medial wall blowout fractures. Orbital rim fracture often caused by car accidents orbital rim fractures affect the thick bone of the outer edges of the eye socket. Orbital fracture is a breakage in the bone in the eye socket which can involve the rim the floor or even both.

An orbital blowout fracture is a traumatic deformity of the orbital floor or medial wall typically resulting from impact of a blunt object larger than the orbital aperture or eye socket. Getting hit with a baseball or fist often causes these breaks. The weakest point on the orbital floor is usually along the infraorbital groove therefore the greatest point of separation of the bone fragment in a blowout fracture is usually along the infraorbital groove. Inferior floor medial wall lamina papyracea superior roof lateral wall.

The infraorbital nerve runs along the floor of the orbit. This becomes even more difficult to visualize in dissection further posteriorly. Immediately after an. Almost all patients will report recent trauma to the eye or the midface prior to the occurrence of the.

The challenge of orbital floor medial wall fracture repair is particular in the most posterior part and in the transition zone with the medial wall. This fracture can also affect the muscles and nerves around the eye keeping it from moving properly and feeling normal. Diplopia on upward gaze limitation of upward gaze trigeminal function assessment. Orbital floor fracture this is when a blow or trauma to the orbital rim pushes the bones back causing the bones of the eye socket floor buckle to downward.

The comparatively thin bone of the floor of the orbit. The transition zone between the medial orbital wall and the orbital floor is difficult to visualize intraoperatively. Anatomy and mechanism of injury blowout fractures of the orbit most frequently affect the middle third of the orbit where the orbital walls are the thinnest. Isolated orbital floor fracture.

The following assessments are characteristic of orbital floor fractures and mandate further imaging. Hinged bone fragment can be separated at the infraorbital groove and attached to the medial wall figure 1. Although the bone forming the medial wall is thinnest it is buttressed by the bone separating the ethmoidal air cells. Decreased sensation over the.