Purpose: The authors evaluated surgical outcomes in eyes with extremely high myopia for macular hole (MH) without retinal detachment.

Methods: In this retrospective study, 14 eyes with axial lengths of ≥30.0 mm underwent vitrectomy and internal limiting membrane (ILM) peeling with or without inverted ILM flap insertion for MH without retinal detachment (October 2009-June 2016). Outcome measures were MH closure confirmed by optical coherence tomography, best-corrected visual acuity, and complications.

Results: The mean axial length was 30.69 ± 0.76 mm. The overall final closure rate was 85.7% (12/14 eyes); the mean follow-up was 17.29 (±20.20) months. Primary anatomical MH closure after 1 operation was achieved in three of eight eyes (37.5%) without an inverted ILM flap and was achieved in six of six eyes (100%) with inverted ILM flap insertion (P = 0.031). There was no reopening of MH during follow-up. Mean visual acuity improved significantly from 1.10 ± 0.43 logarithm of the minimum angle of resolution (Snellen equivalent, 20/254) to 0.84 ± 0.50 logarithm of the minimum angle of resolution (Snellen equivalent, 20/138) (P = 0.046; 2-tailed, paired t-test). Only 1 eye developed an MH-associated retinal detachment 4.5 years after previously failed MH surgery; reattachment was achieved after a second operation.

Conclusion: Patients with extremely high myopia obtained anatomical and functional improvements from MH surgery; inverted ILM flap insertion achieved significantly higher primary success rates in MH closure.

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Source
http://dx.doi.org/10.1097/IAE.0000000000001806DOI Listing

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