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Published on: September 20, 2024
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THREE-DIMENSIONAL RETINAL DISPLACEMENT BEFORE AND AFTER MACULAR PUCKER SURGERY
Tommaso Rossi1, Giorgio Querzoli2, Pamela Cosimi1
1IRCCS, Fondazione Bietti ONLUS, Roma, Italy.
Retina (Philadelphia, Pa.)
|July 24, 2024
Summary
Surgery for epiretinal membranes increases retinal displacement, with sagittal displacement being greater than coronal. This displacement correlates with visual acuity and metamorphopsia, offering insights into vision changes after surgery.
Area of Science:
- Ophthalmology
- Retinal imaging
- Surgical outcomes
Background:
- Epiretinal membranes (ERMs) can cause vision loss and metamorphopsia due to retinal distortion.
- Understanding retinal displacement is crucial for evaluating surgical outcomes in ERM patients.
Purpose of the Study:
- To quantify coronal and sagittal retinal displacement before and after ERM surgery.
- To correlate displacement with visual acuity and metamorphopsia.
Main Methods:
- Retrospective analysis of 10 patients undergoing ERM surgery.
- InfraRed retinography and optical coherence tomography (OCT) used to measure retinal displacement.
- Calculation of displacement in coronal and sagittal planes using optical flow analysis.
Main Results:
- Postoperative retinal displacement was significantly greater than preoperative displacement.
- Sagittal displacement (339.7 ± 172.5 µm) exceeded coronal displacement (67.0 ± 23.4 µm).
- Both visual acuity and metamorphopsia correlated with specific measures of retinal displacement.
Conclusions:
- ERM surgery leads to increased retinal displacement, particularly in the sagittal plane.
- Retinal displacement is a key factor influencing visual acuity and metamorphopsia after ERM surgery.
