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Table 3 Final VA ranges for different PPV systems in patients who completed 2 years follow-up

From: Comparison of outcomes between 20, 23 and 25 gauge vitrectomy for idiopathic macular hole

VA 20 Gauge 23 Gauge 25 Gauge
20/40 or better 35.7 % 44.1 % 72.2 %
20/41 to 20/63 32.1 % 14.7 % 13.8 %
20/64 to 20/80 10.7 % 14.7 % 5.5 %
Worse than 20/80 21.4 % 26.4 % 8.3 %