Inverted ERM flap technique versus double membrane peeling for lamellar holes with co-existent ERM

Poster Details

First Author: K.Kumar INDIA

Co Author(s):    A. Agarwal                             

Abstract Details


To study outcomes of two different techniques of vitrectomy for symptomatic lamellar macular holes (LMH)


The study was done at a tertiary centre in India


Retrospective interventional study. Main outcome measure was foveal contour at six months. Secondary outcome was visual acuity and microstructural changes in macula on OCT


Inverted ERM Flap creation with ILM peeling was done in 6 cases of LMH with ERM containing macular pigments (Group A, modified technique). Double membrane (ERM+ILM) peeling was done in 6 cases of LMH with ERM having no macular pigments (Group B, conventional technique). Mean age was 63.66±2.16 years and 62.33±3.01 years in A&B groups respectively. At six months postoperative period, mean CFT recovered from 105.83 ± 22.27μm before surgery to 227.33 ±42.38μm in Group A (p<0.0001) with smooth normal appearing contour. In group B, mean CFT changed from 91.66± 20.43 to 166.83±12.28μm (p=0.03) at the final visit with variable foveal contour. BCVA at 6 months improved in both the groups with significantly better outcome in eyes undergoing inverted ERM flap technique surgery (p= 0.02)


Modified technique of vitrectomy for LMH helps in recovery of smooth foveal profile whereas conventional technique helps in stabilization of foveal contour

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