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KMID : 0360119940160040428
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Journal of the Korean Society of Maxillofacial Plastic Reconstructive Surgeons
1994 Volume.16 No. 4 p.428 ~ p.437
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Optic nerve injury due to facial fractures
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Abstract
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Optic nerve injury serious enough to result in blindness has been reported to occur in 3% of facial fractures. When blindness is immediate and complete, the prognosis for even partial recovery is poor. Progressive or incomplete visual loss may be
ameliorated either by large dosage of steriod or by emergency optic nerve decompression, depending on the mechanism of injury, the degree of trauma to the optic canal, and the period of time that elapses between injury and medical intervention.
We often miss inital assesment of visual function in management of facial fracture patients due to loss of consciaousness, periorbital swelling and emergency situation.
Delayed treatment of injuried optic nerve cause permanent blindness due to irriversible change of optic nerve. But by treating posttraumatic optic nerve injuries aggressively, usable vision can preseved in a number of patients.
The following report concerns three patients who suffered visual loss due to optic nerve injury with no improvement after steroid therapy and/or optic nerve decompression surgery.
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