Gas* (n=40) | Silicone oil* (n=40) | P value† | ||

Best corrected visual acuity (logMAR) | First month | 0.448±0.510 | 0.898±0.579 | – |

Third month | 0.334±0.451 | 0.758±0.588 | – | |

Sixth month | 0.309±0.513 | 0.671±0.606 | 0.002 |

*If the variables are continuous, we present the means±SD deviation.

†P values of continuous variables are calculated by Mann-Whitney U test. We determine that if p values are <0.05, the values are statistically significant.