TABLE 10.
Risk of bias assessment of the included studies—Ophthalmology.
| Bias author (year) | Random sequence generation (selection bias) | Allocation concealment (selection bias) | Blinding of participants and personnel (performance bias) | Blinding of outcome assessment (detection bias) | Incomplete outcome data (attrition bias) | Selective reporting (reporting bias) | Other bias | ||
|---|---|---|---|---|---|---|---|---|---|
| Objective outcomes | Subjective outcomes | Objective outcomes | Subjective outcomes | ||||||
| Craig et al. (2022) | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Unclear risk | Low risk |
| Karakurt and Zeytun (2018) | Unclear risk | Unclear risk | Low risk | Low risk | Low risk | High risk | Low risk | Unclear risk | Unclear risk |
| Koo et al. (2012) | Unclear risk | Unclear risk | Low risk | Low risk | Low risk | High risk | High risk | Unclear risk | Low risk |
| Mohammadpour et al. (2020) | Low risk | Low risk | Low risk | Low risk | Low risk | Unclear risk | Unclear risk | Low risk | Low risk |
| Wong et al. (2019) | Low risk | Unclear risk | Unclear risk | N/A | Low risk | N/A | Low risk | Low risk | Low risk |
| Zarei-Ghanavati et al. (2021) | Low risk | Low risk | Unclear risk | Unclear risk | Low risk | Unclear risk | Unclear risk | Low risk | Low risk |