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OPTICAL COHERENCE TOMOGRAPHY-BASED EPIRETINAL MEMBRANE STAGE CORRELATES WITH TANGENTIAL RETINAL DISPLACEMENT AND

Shun-Ichiro Takano1,2, Masahiro Ishida1,3, Yoshikazu Ichikawa1

  • 1Department of Ophthalmology, Teikyo University School of Medicine, University Hospital Mizonokuchi, Kanagawa, Japan.

Retina (Philadelphia, Pa.)
|February 26, 2025
PubMed
Abstract

Insights

The optical coherence tomography-based epiretinal membrane (ERM) classification strongly correlates with retinal displacement. This ERM staging is useful for predicting metamorphopsia but not visual acuity after surgery.

Area of Science:

  • Ophthalmology
  • Retinal Imaging
  • Surgical Outcomes

Background:

  • Epiretinal membrane (ERM) affects visual quality and retinal structure.
  • Accurate classification of ERM is crucial for predicting surgical outcomes.
  • Optical coherence tomography (OCT) provides detailed imaging of ERM and retinal layers.

Purpose of the Study:

  • To investigate the correlation between OCT-based ERM classification and metamorphopsia.
  • To assess the relationship between ERM stage and tangential retinal displacement post-surgery.
  • To evaluate the predictive value of ERM classification for visual outcomes.

Main Methods:

  • ERM staging (1-4) based on OCT findings.
  • Metamorphopsia assessment using M-CHARTS preoperatively and postoperatively (1, 3, 6 months).
  • Measurement of tangential retinal displacement.
  • Exclusion of eyes with retinal cysts, lamellar holes with epiretinal proliferation, or retinoschisis.

Main Results:

  • ERM stage significantly correlated with tangential retinal displacement at 1, 3, and 6 months post-ERM surgery (P < 0.001).
  • ERM stage correlated with preoperative and 1-month/3-month postoperative metamorphopsia scores (P < 0.001 to P = 0.016).
  • No significant correlation was found between ERM stage and visual acuity.

Conclusions:

  • OCT-based ERM classification is a strong predictor of postoperative tangential retinal displacement.
  • ERM staging effectively predicts the degree of metamorphopsia, both pre- and post-surgery.
  • ERM classification is not a reliable predictor of visual acuity outcomes.

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