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Juliane Matlach, Baerbel Pflueger, Johannes Hain, Winfried Goebel; Inner and outer central retinal findings after surgery for rhegmatogenous retinal detachment using different spectral-domain optical coherence tomography devices. Invest. Ophthalmol. Vis. Sci. 2014;55(13):2308.
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To image macular changes after rhegmatogenous retinal detachment (RRD) repair using spectral-domain optical coherence tomography (SD-OCT).
Forty eyes with macula-on and 27 eyes with macula-off RRD underwent scleral buckling or vitrectomy and were imaged using 2 different SD-OCT devices (Cirrus® HD-OCT 4000, RTVue-100®).
Mean follow-up was 27.4 months with a range of 12-46 months. Visual acuity (VA) improved in both groups and was ≥20/63 in the macula-off and ≥20/40 in the macula-on group postoperatively. Outer retinal findings of macula-off patients included disruption of the external limiting membrane, photoreceptor inner/outer segments and cone outer segment tips layer in 4 eyes (14.8%). Inner retinal segments composing of retinal nerve fiber (RNFL), ganglion cell (GCL) and inner plexiform layer (IPL) were thicker in both surgery groups compared to normal controls for both instruments.
Visual acuity significantly improved even in eyes with macula-involving detachment independent of preoperative VA or duration of symptoms. Agreement between both OCT-systems was excellent for overall and inner retinal thickness, although RTVue basically measured a thicker RNFL-GCL-IPL complex. Thinning of inner retinal layers as a potential cause of poor postoperative VA was rarely detected, possibly due to secondary changes at the vitreomacular interface after detachment repair.
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