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Fundus photograph (a) and optical coherence tomography (OCT) (b) images of the large full-thickness macular hole (FTMH) in the left eye with a diameter of 454 μm, with vitreomacular traction (VMT). After 1 month (c, d) of intravitreal injection of expansile gas, the vitreous detachment and the anatomical closure of the hole was observed. Corrected visual acuity was improved from 0.15 (pre-treatment) to 0.3 (post-treatment)
