Idiopathic ERM
Left
Right

551 idiopathic macular edemas of more than 300 microns and associated with ERM were submitted by 53 retina specialists. 344 were treated by vitrectomy and ILM peeling but other treatments has been also chosen. For all of these treatments the initial VA were comparable and the standard deviations, which highlight the dispersion of the data, are very similar, showing that the populations are comparable.