Table 4 Comparison of preoperative and postoperative visual acuity and intraocular pressure in the Silicone oil (SO) group and gas (SF6 or C3f8) group

CDVA (logMAR)

Preoperative

Mean ± SD

0.20±0.13

0.17±0.15

Median (Range)

0.15 (0 to 0.40)

0.20 (0 to 0.60)

Median Snellen (Range)

20/28 (20/20 to 20/50)

20/32 (20/20 to 20/80)

Postoperative

Mean ± SD

0.33±0.35

0.16±0.10

Median (Range)

0.30 (0 to 1.30)

0.20 (0 to 0.40)

Median (Range)

20/50(20/20 to 20/400)

20/32 (20/20 to 20/50)

P-value

0.051*

0.786*

IOP (mmHg)

Preoperative

Mean± SD

15.7±1.5

16.1±3.2

Median (Range)

15.5 (13.0 to 18.0)

16.0 (10.0 to 25.0)

Postoperative

Mean± SD

16.4±2.0

16.3±3.5

Median (Range)

16.5 (13.0 to 20.0)

15.5 (12.0 to 28.0)

P-value

0.023**

0.547*