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Eimei Ra, Takeshi Iwase, Tetsu Asami, Kentaro Yamamoto, Hiroki Kaneko, Hiroko Terasaki; Intraoperative optical coherence tomography findings in eyes with fovea-off rhegmatogenous retinal detachment. Invest. Ophthalmol. Vis. Sci. 2016;57(12):1021.
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© ARVO (1962-2015); The Authors (2016-present)
Intraoperative optical coherence tomography (OCT) provides novel insights into the pathophysiology and microarchitectural changes that occur during surgical repair. To investigate whether the fovea can be reattached during surgery in eyes with fovea-off rhegmatogenous retinal detachment (RRD)．
Fifteen consecutive patients with fovea-off RRD underwent 25-guage vitrectomy and intraoperative OCT with the RESCAN 700 (Carl Zeiss Meditec). In addition, we examined the foveal structure using OCT with the CIRRUS H-OCT 5000 (Carl Zeiss Meditec) 12 hours after surgery.
The height of the subretinal fluid (SRF) at the fovea varied among the eyes before intravitreal injection of perfluoro-n-octane (PFO). The PFO injection displaced the SRF, and the inner retinal layer in the macula including the fovea was immediately flattened. Some of the SRF remained at the fovea causing it to form a pyramidal shape in all 15 eyes． A tiny full thickness macular hole was revealed in one eye. The pyramidal shape did not change for more than 30 minutes during PFO placement, and even after fluid-air exchange. The CIRRUS HD-OCT 5000 demonstrated that the residual SRF was spontaneously absorbed 12 hours after the surgery, and the pyramidal shape was not present.
The intraoperative OCT (RESCAN 700) detected that the SRF remained only at the fovea during PFO placement, and even after fluid-air exchange. It was elucidated that the fovea was not reattached during surgery in eyes with fovea-off rhegmatogenous retinal detachment.
This is an abstract that was submitted for the 2016 ARVO Annual Meeting, held in Seattle, Wash., May 1-5, 2016.
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