Estimation of prevalence and causes of blindness in eastern Mediterranean countries1
| No of individuals | % | |
| Population | 455 087 000 | 100 |
| No of blind | 3 185 609 | 0.7 |
| Low vision | 20 478 915 | 4.5 |
| Causes of blindness | No of blind | % |
| Cataract | 1 439 895 | 45.2 |
| Trachoma | 818 702 | 25.7 |
| Glaucoma | 181 580 | 5.7 |
| Other | 745 432 | 23.4 |
| Total | 3 185 609 | 100 |
↵Blindness is visual acuity of less than 3/60 (0.05) or corresponding visual fields loss in the better eye (loss of navigation vision).
↵Low vision is visual acuity of less than 6/18 (0.3) but equal or better than 3/60 in the better eye with best correction.
↵Other causes include errors of refraction, diabetic retinopathy, age related macular degeneration, optic atrophy, trauma, failed medical or surgical treatment, and others.