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Inner macular volume linked to visual outcome after surgical macular hole closure
Following macular hole closure surgery, inner macular volume strongly correlated with visual outcome, indicating a need to further investigate the potential effect of internal limiting membrane peeling, according to a study.
The transversal, observational case series examined 24 eyes of 22 subjects with surgically closed idiopathic macular hole. All subjects had macular hole surgery at least 3 months prior to enrollment in the study.
Prior to surgery, eight eyes had stage 2 macular hole, 10 eyes had stage 3 macular hole, two eyes had stage 4 macular hole, and four eyes had recurrent macular hole. Eighteen eyes underwent internal limiting membrane (ILM) peeling.
Fourier-domain optical coherence tomography images were used for data analysis.
The maximum hole diameter measured from the center of the hole ranged from 160 µm to 614 µm.
Mean preoperative Snellen best corrected visual acuity was 20/100. Mean postoperative Snellen BCVA was 20/36; postoperative logMAR BCVA was 0.24 ± 0.12.
Inner macular volume in all eyes and ILM peeled eyes correlated significantly with visual outcome (P < .05).