Effect of Internal Limiting Membrane Peeling on Macular Structure and Metamorphopsia Scores in Idiopathic Epiretinal Membrane Surgery

Tekin Aydin1
, Suleyman Gokhan Kerci2
, Omer Karti3, *
, Mehmet Ozgur Zengin4
, Tuncay Kusbeci2

1 Department of Ophthalmology, Dr.Ersin Arslan Training and Research Hospital, Gaziantep, Turkey
2 Department of Ophthalmology, Bozyaka Training and Research Hospital, İzmir, Turkey
3 Department of Ophthalmology, İzmir Democracy University, İzmir, Turkey
4 Department of Ophthalmology, İzmir Katip Çelebi University, İzmir, Turkey

© 2020 Aydin et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: ( This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Ophthalmology, İzmir Democracy University, İzmir, Turkey; Tel: +905055985685;


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.


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.


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.


Our study indicated that ILM peeling combined with ERM did not affect metamorphopsia scores.

Keywords: Epiretinal membrane, Internal limiting membrane, Metamorphopsia, Muller cells, Pars plana vitrectomy, Vitreous.