Abstract
Objective:To explore the application and to evaluate the advantage of image navigation assisted nasal endoscopic surgery in optic nerve decompression. Method:Sixty patients accepted the image navigation assisted nasal endoscopic surgery therapy in optic nerve decompression were included in this retrospective study and followed up for about six months to four years. Result:The visual acuity was improved in 16 cases with visual acuity above light. One case is 10 cm index, two cases are 40 cm index, one case is 70 cm index, the visual acuity of rest 12 cases was between 0.04 and 0.30, two of them were missing from the field of view, the effective rate was 100%. The 44 cases without light sensation before operation, postoperative visual acuity was improved in 11 cases, four of which were light sensation and visible figure. Visual acuity of seven cases was between 0.03 and 0.08, one of them was missing from the field of view, the effective rate was 25%. No complications occurred. Conclusion:With the help of the image navigation, it is convenient and accurate to locate the anatomical marker sites such as orbital apex, optic canal and fracture site, internal carotid artery and so on, as a result, the accuracy and the success rate of the surgery were greatly improved.
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