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Traumatic optic neuropathy-associated progressive thinning of the retinal nerve fiber layer and ganglion cell complex: two case reports

Title
Traumatic optic neuropathy-associated progressive thinning of the retinal nerve fiber layer and ganglion cell complex: two case reports
Author
임한웅
Keywords
Traumatic optic neuropathy; Optical coherence tomography; Neuro-ophthalmology
Issue Date
2019-11
Publisher
BMC
Citation
BMC OPHTHALMOLOGY, v. 19, no. 1, article no. 216
Abstract
Background Traumatic optic neuropathy (TON) is a form of optic nerve injury that occurs secondary to trauma and is etiologically associated with acute axonal loss with severe vision loss. Here, we reported longitudinal changes in the peripapillary retinal nerve fiber layer (RNFL) and macular ganglion cell complex (GCC) using wide-field swept source optical coherence tomography (SS-OCT) in two cases of TON and identified the source of the damage.Case presentation(Case 1) A 65-year-old man was admitted to the hospital due to an injury in the right eye (OD) and was subsequently diagnosed with indirect TON. He was then treated with high-doses of intravenous steroids. Wide-field SS-OCT was performed at the baseline and after 1day, 2days, 1week, 1month, and 4months. The wide-field deviation map detected thinning earlier in the macular GCC than in the peripapillary RNFL. (Case 2) A 63-year-old man was admitted to the hospital with a fractured left maxilla-zygomatic complex attributed to blunt-force trauma to the head and loss of vision in his left eye (OS). He was diagnosed with indirect TON and treated with high-doses of intravenous steroids. Wide-field SS-OCT was performed at the baseline and after 1week, 2weeks, 2months 5months, and 7months. The wide-field deviation map detected thinning earlier in the peripapillary RNFL than in the macular GCC.ConclusionsWide-field SS-OCT facilitated the identification of various sequential progression patterns in patients with TON. Furthermore, the area in which the structural damage was first detected was seen differently in the peripapillary and macular deviation maps for each case. Thus, wide-field imaging, which includes the macular and peripapillary areas, are useful in monitoring TON.
URI
https://bmcophthalmol.biomedcentral.com/articles/10.1186/s12886-019-1232-9https://repository.hanyang.ac.kr/handle/20.500.11754/155361
ISSN
1471-2415
DOI
10.1186/s12886-019-1232-9
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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