| Clinical Evaluation of Treatment of the Optic Nerve Damage. |
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Sang Beom Lee, Wha Sun Chung |
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Department of Ophthalmology, College of Mediicine, Yeungnam University, Daegu, Korea. |
| 시신경 손상의 치료에 대한 임상적 고찰 |
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정화선(Wha Sun Chung),이상범(Sang Beom Lee) |
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| Abstract |
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Clinical signs of the optic nerve injury are characterized by absent or diminished light reaction of the pupil on the affected side, a wound in the lateral part of the eyebrow and bleeding from the nose. On X-ray studies, the optic canal fracture can be noticed occasionally. In this study, eleven cases of the optic nerve damage due to a blunt head trauma were studied for 6 to 30 months(average 9 months). Of these, the optic canal fracture was revealed in 5 cases. Among the 5 cases, three cases received surgical decompression of the optic canal through frontotemporal approach with visual improvement in 2 cases(66%). Eight cases were treated by medical therapy with visual improvement in 5 cases(63%). Visual recovery of the optic nerve injury with optic canal fracture(60%, 3/5) was similar to those with no optic canal fracture(66%, 4/6). On the bases of our study, the optic nerve damage should be treated by intensive medical treatment and if the optic canal fracture exists, early surgical intervention should be performed. |
| Key Words:
Head trauma;Optic canal fracture;Optic nerve injury;Optic nerve decompression |
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