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KMID : 0213520090230040249
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Korean Journal of Ophthalmology
2009 Volume.23 No. 4 p.249 ~ p.252
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The Clinical Course of the Idiopathic Epiretinal Membrane After Surgery
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Kwon Soon-Il
Ko Sung-Ju
Park In-Won
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Abstract
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Purpose: To evaluate the clinical course of visual acuity and foveal thickness in the idiopathic epiretinal membrane (ERM) after a vitrectomy with the use of triamcinolone.
Methods: We retrospectively reviewed the records of 30 patients (30 eyes) with ERM that were treated by vitrectomy from 2004 to 2008. Visual acuity and foveal thickness from optical coherence tomography imaging was obtained preoperatively and at every postoperative follow-up visit.
Results: Visual acuity improved by two or more lines of vision in 30%, 50%, 60%, and 70%, and stayed the same within ±1 line in 47%, 50%, 40%, and 30% at one month, three months, five months, and seven months after surgery. Twenty-three percents of the subjects deteriorated by two or more lines of vision within one month after surgery. None of the subjects had reduced vision three months after surgery. Foveal thickness decreased significantly after surgery. The mean thickness was 409.7±107.9 μm before surgery and 288.6±66.1 μm seven months after surgery. Parameters which were significantly correlated with the final visual acuity included preoperative visual acuity (0.683), preoperative foveal thickness (0.544), and final foveal thickness (0.643) (p<0.005).
Conclusions: Foveal thickness and visual acuity improved until seven months after the vitrectomy in patients with idiopathic ERM. Preoperative visual acuity, foveal thickness, and final foveal thickness had a significant correlation with the final visual acuity.
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KEYWORD
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Epiretinal membrane, Foveal thickness, Optical coherence tomography, Visual acuity, Vitrectomy
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