During the last decade optical coherence tomography (OCT) extended the possibilities for in vivo macula diagnostic and was increasingly used for pre- and post-operative imaging of retinal diseases. Spectral-domain optical coherence tomography (SD-OCT) with its increased scanning speed and image-resolution provides more detailed information of microstructures in the macula. Epiretinal membrane (ERM) is a disorder involving the posterior pole of the eyeball. It can be idiopathic or caused secondarily in various ocular conditions, such as uveitis, trauma, retinal detachment or retinal vascular diseases. In patients who suffer from loss of vision and metamorphopsia, vitrectomy and membrane peeling is usually performed to remove the ERM. Different study groups showed that intraoperative use of SD-OCT is possible. Two groups already achieved to work operation microscope integrated SD-OCT setup. Due to the high axial resolution of the SD-OCT some groups reported about an increased hyporeflective zone in the subfoveal region appearing directly after the membrane peeling procedure. It was hypothesized that this phenomenon could be an expression of surgical trauma, as this hyporeflective zone disappears in follow up OCT 10 days after surgery.
Age range
21 Years
Sex
ALL
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Proportion of eyes with presence of a hyporeflective zone on the 7th postoperative day on OCT scan
Timeframe: 7 days postoperatively