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T. Wakabayashi, Y. Oshima, H. Sakaguchi, Y. Tano; Analysis of Macular Microstructures Following Successful Repair of Rhegmatogenous Retinal Detachment Involving Macula by Fourier-Domain Optical Coherence Tomography. Invest. Ophthalmol. Vis. Sci. 2007;48(13):5746.
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© ARVO (1962-2015); The Authors (2016-present)
To evaluate microstructural changes of the macula in patients after anatomically successful repair of macula-involving rhegmatogenous retinal detachment (RD).
Macular microstructure of 16 eyes in 16 patients who underwent successful RD repair by primary vitrectomy (12 eyes) or scleral buckling (4 eyes) was assessed by high-definition Fourier-domain optical coherence tomography (FD-OCT). The prototype FD-OCT (Optovue, Fremont, CA) is capable of ~5 µm axial resolution and 3-demensional imaging reconstruction on the basis of FD-OCT serial sections.
FD-OCT images were obtained 2 weeks to 13 months (mean, 2.4 months) postoperatively. Nine eyes (56%) improved postoperative visual acuity by 2 lines or more in logarithm of the minimum angle of resolution at FD-OCT examination. Anatomical abnormalities at macula were detected in 14 eyes (88%); including disruptions of the junction between the photoreceptor inner and outer segments (IS/OS) in 13 eyes (81%), residual subretinal fluid (SRF) in 5 eyes (31%), epiretinal membranes in 2 eyes (13%), intraretinal microcysts in 2 eyes (13%), and cystoid macular edema (CME) in 1 eye (6%). Of these findings, residual SRF localized at macula was more frequently observed in patients treated with scleral buckling (P=.03). Presence of residual SRF and CME seems to be associated with poorer visual recovery.
High-definition FD-OCT is a valuable noninvasive tool for evaluating retinal microstructural changes undetectable by conventional clinical examinations. Evaluation of macular status using FD-OCT appears to be important to predict magnitude of visual recovery after successful RD repair.
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