Primary studies included in the study of the prevalence of blindness in Ethiopia, 2021 (n=21)
| Author (s) name | Year of publication | Publication status | Sample size | Prevalence (95% CI) | Response rate | Quality score (out of 10) |
| Berhane et al7 | 2007 | Published | 25 650 | 1.60 (1.45 to 1.76) | 85.40% | 7 |
| Melese et al62 | 2003 | Published | 2693 | 7.91 (6.89 to 8.93) | 90.8% | 8 |
| Tilkisew52 | 2002 | Published | 21 350 | 1.05 (0.92 to 1.19) | 92.8% | 7 |
| Cherinet et al67 | 2018 | Published | 881 | 7.26 (5.55 to 8.98) | 97.4% | 9 |
| Haile and Destaye53 | 2015 | Published | 734 | 14.44 (11.9 to 16.98) | 100% | 8 |
| Worku and Bayu63 | 2002 | Published | 1846 | 0.87 (0.44 to 1.29) | 100% | 7 |
| Dhanesha et al61 | 2018 | Published | 1137 | 1.32 (0.66 to 1.98) | 95.1% | 7 |
| Sewunet et al55 | 2014 | Published | 420 | 1.43 (0.29 to 2.56) | 97.2% | 8 |
| Nebiyat et al68 | 2015 | Published | 1800 | 0.94 (0.50 to 1.39) | 99.4% | 8 |
| Zelalem et al54 | 2019 | Published | 875 | 1.14 (0.44 to 1.85) | 100% | 8 |
| Ferede et al56 | 2020 | Published | 1289 | 0.23 (-0.03 to 0.50) | 100% | 6 |
| Marrie et al57 | 2019 | Published | 601 | 0.67 (0.02 to 1.32) | 95.2% | 8 |
| Assefa et al58 | 2020 | Published | 416 | 0.72 (0.38 to 1.06) | 98.6% | 7 |
| Abebe et al16 | 2021 | Published | 312 | 11.22 (7.72 to 14.72) | 96% | 8 |
| Asferaw et al8 | 2020 | Published | 93 | 10.75 (4.46 to 17.05) | NR | 6 |
| Tegegn et al59 | 2021 | Published | 708 | 14.27 (11.69 to 16.84) | 99.02% | 9 |
| Woldeyes and Adamu64 | 2008 | Published | 1100 | 3.55 (2.45 to 4.64) | 100% | 8 |
| Zerihun and Mabey51 | 1997 | Published | 7423 | 0.85 (0.64 to 1.06) | 90.4% | 6 |
| Fitaw and Boersma60 | 2006 | Published | 24 453 | 1.10 (0.97 to 1.23) | 100% | 7 |
| Negussie and Tilahun66 | 2008 | Published | 1585 | 1.51 (0.91 to 2.12) | 100% | 7 |
| Mehari65 | 2014 | Published | 735 | 1.63 (0.72 to 2.55) | NR | 6 |
NR, not reported.