Functional and structural analysis of partial optic nerve avulsion due to blunt trauma: Case report

Mumcuoglu, Tarkan; Durukan, Hakan A.; Erdurman, Cuneyt; Hurmeric, Volkan; Gundogan, Fatih C.
November 2010
Indian Journal of Ophthalmology;Nov2010, Vol. 58 Issue 6, p524
Academic Journal
Case Study
Department of Ophthalmology, Gulhane Military Medical School, Etlik, Ankara, Turkey Partial optic nerve avulsion (ONA) secondary to finger gouging is an uncommon but devastating injury. A 21-year-old man who had an acute vision loss after accidentally getting poked by himself in his right eye when he fell down during jogging is reported. The patient was diagnosed with partial ONA. Magnetic resonance imaging revealed intact optic nerve. Optical coherence tomography (OCT) revealed deep cavity at the inferior-temporal half of the optic disc. Retinal nerve fiber layer thickness was also thin at the inferior quadrant with circumpapillary OCT scan. Visual field test and electrophysiological tests showed functional abnormality compatible with optic nerve lesion. Diagnostic tools for anatomical and functional evaluation may reveal the course of this injury.


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