Visual outcome (logMAR) Preoperative Postoperative
  Number of eyes (%) Number of eyes (%)
Overall    
≤ 0.30 3 (2.8%) 33 (31.1%)
>0.30 to ≤ 1.00 37 (34.9%) 49 (46.2%)
>1.00 66 (62.3%) 24 (22.6%)
Vitreous hemorrhage    
≤ 0.30 0 (0%) 16 (39.0%)
>0.30 to ≤ 1.00 11 (26.8%) 20 (48.8%)
>1.00 30 (73.2%) 5 (12.2%)
Tractional retinal detachment    
≤ 0.30 1 (1.8%) 15 (26.8%)
>0.30 to ≤ 1.00 22 (39.3%) 24 (42.9%)
>1.00 33 (58.9%) 17 (30.4%)
logMAR to Snellen’s acuity conversion; 0.30=20/40; 1.0=20/200
Table 3: The visual outcome for overall, vitreous hemorrhage and tractional retinal detachment patients at postoperative month 12.