Inner Retinal Layer and Outer Retinal Layer Findings after Macular Hole Surgery Assessed by means of Optical Coherence Tomography

Table 1

The International Vitreomacular Traction Study (IVTS) Group classification of macular hole (MH).

Size	Small (250 mm)
	Medium (>250–400 mm)
	Large (>400 mm)
Status of vitreous	With VMT
	Without VMT
Cause	Primary or idiopathic
	Secondary (caused by other pathologies, without any preexisting or concurrent VMT)

VMT: vitreomacular traction. Source: Duker et al. [11].