Journal
TRANSLATIONAL VISION SCIENCE & TECHNOLOGY
Volume 10, Issue 1, Pages -Publisher
ASSOC RESEARCH VISION OPHTHALMOLOGY INC
DOI: 10.1167/tvst.10.1.6
Keywords
electroretinography; epiretinal membranes; ERG; ERM; full field
Categories
Funding
- National Research Foundation of Korea
- Ministry of Science and ICT [2018M3A9E8078812]
- Kyung Hee University [KHU-20191225]
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Performing ffERG before surgery can assist in predicting postoperative visual outcomes, with parameters from LA 3.0 ERG and DA OP ERG showing significant correlations with postoperative BCVA. ROC curve analysis demonstrated high accuracy of these parameters in predicting good visual outcomes.
Purpose: To confirm the predictors of postoperative visual outcomes by performing fullfield electroretinography (ffERG) before surgery in patients with epiretinal membranes (ERMs). Methods: Sixty-one eyes of patients with ERMs who underwent pars plana vitrectomy with membrane peeling were prospectively reviewed. Correlations between preoperative data (ffERG and optical coherence tomography) and postoperative best-corrected visual acuity (BCVA) were investigated. Receiver operating characteristic (ROC) curve analysis was performed to obtain cutoff values of the ffERG parameters predicting good visual outcome (final BCVA ? 20/30). Results: Postoperative BCVA was significantly correlated with the implicit time and amplitude of the b-wave in light-adapted (LA) 3.0 electroretinography (ERG), with the amplitude difference between N1 and P1 in the LA 30-Hz flicker ERG, and with the sum of the amplitudes of OS1, OS2, and OS3 in dark-adapted (DA) oscillatory potential (OP) ERG (P < 0.01). The area under the ROC curve to predict good visual outcome was statistically significant for the four parameters (0.787, 0.815, 0.757, and 0.792, respectively). Conclusions: The postoperative BCVA in patients with ERM was significantly correlated with the implicit time and amplitude of the b-wave in the LA 3.0 ERG, the amplitude difference between N1 and P1 in the LA 30-Hz flicker ERG, and the sum of the amplitudes of OS1, OS2, and OS3 in DA OP ERG of ffERG. It is thought that ffERG before surgery may help predict visual outcomes after surgery. Translational Relevance: It was confirmed that the degree of retinal function in the ERM can predict BCVA after treatment.
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