This multicenter, retrospective, observational comparative study. We occasionally encounter FTMHs in which PVD has not been achieved and VMT is absent. These FTMHs cannot be defined by stage in the Gass1) or IVTS3) classification. It is not known whether traction is involved in the development of these atypical macular holes, but they are often classified as Gass stage 2 or 3 according to the size of the hole. The aim of this study was to investigate the clinical features and surgical outcomes of FTMHs without focal VMT and to discuss possible underlying mechanisms.
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postoperative visual acuity
Timeframe: 1month, 3, 6 and 12 months