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Predictors for metamorphopsia in eyes undergoing macular hole surgery
Asuka Takeyama1,2, Yutaka Imamura3, Taichi Fujimoto3
1Department of Ophthalmology, Toho University Ohashi Medical Center, 2-22-36, Ohashi, Meguro-Ku, Tokyo, 153-8515, Japan. asucafejp@yahoo.co.jp.
Scientific Reports
|January 16, 2023
Summary
Macular hole (MH) diameter is the strongest predictor of metamorphopsia after MH surgery. Retinal layer thickness changes also influence visual distortions, but MH size is most critical for outcomes.
Area of Science:
- Ophthalmology
- Retinal Diseases
- Surgical Outcomes
Background:
- Metamorphopsia, a visual distortion, is a common symptom in macular diseases.
- Understanding predictors of metamorphopsia post-macular hole (MH) surgery is crucial for patient outcomes.
Purpose of the Study:
- To identify predictors of metamorphopsia following MH surgery.
- To investigate the relationship between MH diameter, retinal layer thicknesses, and metamorphopsia.
Main Methods:
- Retrospective study of 42 eyes from patients undergoing MH surgery.
- Metamorphopsia assessed using M-CHARTS.
- Retinal layer thicknesses (Inner Nuclear Layer, Outer Retinal Layer) measured using Spectralis imaging.
Main Results:
- Preoperative MH size and temporal outer retinal thickness changes correlated with preoperative metamorphopsia.
- Postoperative metamorphopsia correlated with preoperative nasal/inferior outer retinal thickness and superior inner nuclear layer changes.
- MH diameter was identified as the most significant predictor of metamorphopsia.
Conclusions:
- Macular hole diameter is the primary predictor of metamorphopsia after surgery.
- Photoreceptor displacement and inner retinal changes may contribute to metamorphopsia, but MH size is the dominant factor.
