J Korean Ophthalmol Soc > Volume 54(7); 2013 > Article
Journal of the Korean Ophthalmological Society 2013;54(7):1144-1148.
DOI: https://doi.org/10.3341/jkos.2013.54.7.1144    Published online July 15, 2013.
The Optical Coherence Tomography Findings of Optic Tract Syndrome.
Jung Yeul Kim, Haeng Jin Lee, Joo Young Kwag, Yeon Hee Lee
Department of Ophthalmology, Chungnam National University College of Medicine, Daejeon, Korea. opticalyh@hanmail.net
시삭증후군 환자에서 빛간섭단층촬영의 소견
Department of Ophthalmology, Chungnam National University College of Medicine, Daejeon, Korea
To report a case of optic tract syndrome in which optical coherence tomography (OCT) demonstrated the specific findings of the retinal nerve fiber layer (RNFL). CASE SUMMARY: A 32-year-old male patient visited the hospital with right side visual field defect in both eyes that occurred immediately after a traffic accident 8 months prior. The visual acuity of both eyes was normal, and a relative afferent papillary defect was evident in the right eye. In addition, suspicious band atrophy of the right optic disc and thinning of the superior and inferior arcuate bundle were observed in the left eye. On visual field examination, homonymous hemianopia was present. Optic tract syndrome was suspected, although there was no abnormality of the visual tract on MRI. On fast RNFL thickness 3.4 scan, a thinning of RNFL in the nasal and temporal segments in the right eye and superior and inferior segments in the left eye were observed. Based on the findings, optic tract syndrome was diagnosed in the left eye. CONCLUSIONS: We report specific OCT findings which can be useful when making a diagnosis of optic tract syndrome.
Key Words: Optic tract syndrome;Optical coherence tomography;Retinal nerve fiber layer

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