J Korean Ophthalmol Soc > Volume 59(1); 2018 > Article
Journal of the Korean Ophthalmological Society 2018;59(1):73-80.
DOI: https://doi.org/10.3341/jkos.2018.59.1.73    Published online January 15, 2018.
Longitudinal Evaluation of Retinal Structure in Patients with Traumatic Optic Neuropathy Using Optical Coherence Tomography.
Sung Ha Hwang, Jong Yeon Lee, Mijung Chi
Department of Ophthalmology, Gachon University Gil Medical Center, Incheon, Korea. cmj@gilhospital.com
외상시신경병증 환자에서 빛간섭단층촬영기로 측정한 시간경과에 따른 망막구조 변화
황성하⋅이종연⋅지미정
가천대학교 길병원 안과학교실
Correspondence:  Mijung Chi,
Email: cmj@gilhospital.com
Received: 27 April 2017   • Revised: 29 September 2017   • Accepted: 15 December 2017
Abstract
PURPOSE
We used optical coherence tomography (OCT) for longitudinal evaluation of structural changes in the peripapillary retinal nerve fiber layer (RNFL), the macular ganglion cell-inner plexiform layer (GC-IPL), and the macula in patients with traumatic optic neuropathy. METHODS: From May 2012 to April 2015, the medical records of 20 patients with monocular traumatic optic neuropathy who were followed up for over 6 months were retrospectively analyzed. Best-corrected visual acuity was checked and Cirrus high-definition optical coherence tomography (HD-OCT) was used to measure the thicknesses of the peripapillary RNFL, macular GC-IPL, and macula of both eyes at the first visit (within 4 weeks after trauma), at 10 and 24 weeks after trauma, and at the final visits. The differences over time in the parameters of the traumatic and fellow eyes were analyzed. RESULTS: The final best-corrected visual acuities of the traumatic and fellow eyes differed significantly from those at the first visit (p = 0.007). The average thicknesses of the peripapillary RNFL, the macular GC-IPL, and the macula differed significantly between the traumatic and fellow eyes commencing 10 weeks after trauma (p < 0.001, p = 0.002, p = 0.003, respectively). CONCLUSIONS: Significant changes in visual acuity preceded structural changes in the retina. Objective assessment of retinal structural changes using OCT yields helpful information on the clinical course of patients with traumatic optic neuropathy.
Key Words: Ganglion cell-inner plexiform layer;Optical coherence tomography;Retinal nerve fiber layer;Traumatic optic neuropathy


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