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LONGITUDINAL ELLIPSOID ZONE DYNAMICS AFTER MACULAR HOLE REPAIR IN THE DISCOVER STUDY: Structure-Function Assessment
Duriye Damla Sevgi1, Philina S Yee1,2, Sunil K Srivastava1,3
1The Tony and Leona Campane Center for Excellence in Image-Guided Surgery and Advanced Imaging Research, Cole Eye Institute, Cleveland Clinic, Cleveland, OH.
Retina (Philadelphia, Pa.)
|April 22, 2021
Summary
Macular hole (MH) size and ellipsoid zone (EZ) integrity before surgery predict visual acuity (VA) after repair. Improved EZ integrity post-surgery also correlates with better VA outcomes in macular hole patients.
Area of Science:
- Ophthalmology
- Retinal Surgery
- Optical Coherence Tomography (OCT)
Background:
- Macular holes (MH) are a common cause of reduced visual acuity.
- Surgical repair aims to restore vision, but outcomes vary.
- Predicting visual outcomes is crucial for patient management.
Purpose of the Study:
- To assess the relationship between baseline macular hole (MH) geometry and ellipsoid zone (EZ) integrity.
- To determine the association of longitudinal EZ integrity with visual acuity (VA) after MH surgical repair.
Main Methods:
- Post-hoc analysis of the DISCOVER study data for MH repair via vitrectomy.
- Utilized automated retinal layer segmentation for outer retinal metrics and MH volumetric reconstruction.
- Investigated associations between baseline MH dimensions (height, width, volume), EZ features, and VA outcomes.
Main Results:
- Successful MH closure in 98.8% of 84 eyes.
- Significant improvement in VA from baseline (20/114) to 12 months post-op (20/45).
- Ellipsoid zone (EZ) integrity metrics improved significantly and correlated independently with VA.
- Larger baseline MH width and volume negatively impacted 12-month VA.
Conclusions:
- Baseline macular hole (MH) volumetric parameters and ellipsoid zone (EZ) integrity are associated with visual acuity (VA) outcomes post-repair.
- Preoperative VA and EZ integrity predict postoperative VA, highlighting their importance in surgical planning.
