Abstract
Backgrounds and Objective:Pars Plana Vitrectomy (PPV) and epiretinal membrane (ERM) peeling is the standard surgical procedure of ERM surgery. However, the effect of adding Internal Limiting Membrane (ILM) peeling to the standard surgery on macular function and structure remains still controversial. This study was aimed at investigating the effect of ILM peeling on the macular function and structure in idiopathic ERM surgery.Method:Thirty-six eyes of 34 patients were evaluated in this prospective study. The patients were divided into two groups (ILM peeling and non-ILM peeling group). While the removal of ERM was undergone alone in 19 eyes, it was combined with ILM peeling in 17 eyes. Metamorphopsia scores Vertical Metamorphopsia (VM) and Horizontal Metamorphopsia (HM), were measured at preoperative and 4 months postoperatively.Results:There was a statistically significant decrease in metamorphopsia (VM and HM) scores in both groups after the surgery. However, no statistically significant difference was found between the two groups in terms of reduction in VM scores and HM scores after surgery.Conclusion:Our study indicated that ILM peeling combined with ERM did not affect metamorphopsia scores.
Highlights
Idiopathic Epiretinal Membrane (ERM) is characterized by avascular fibrocellular proliferation located at the central macula on the inner Limiting Membrane (ILM) [1]
Our study indicated that ILM peeling combined with ERM did not affect metamorphopsia scores
No statistically significant difference was found between two groups in terms of Best-Corrected Visual Acuity (BCVA) and metamorphopsia scores (HM and Vertical Metamorphopsia (VM)) before and after surgery
Summary
Idiopathic Epiretinal Membrane (ERM) is characterized by avascular fibrocellular proliferation located at the central macula on the inner Limiting Membrane (ILM) [1]. While the estimated prevalence is 2% in the population aged less than 60 years, this prevalence is up to 12-20% in population beyond age 70 [2]. ERM can cause metamorphosia, macropsia, micropsia and monocular diplopia as well as decrease in visual acuity. Pars Plana Vitrectomy (PPV) and removal of the membrane are performed as standard surgical procedure in ERM surgery. The rate of improvement in visual acuity after.
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