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Causes of visual impairment in the participants based on presenting visual acuity
| Causes of visual impairment | Frequency | Percent |
|---|---|---|
| Uncorrected refractive errors | 85 | 54.5 |
| Cataract | 43 | 27.6 |
| Amblyopia | 4 | 2.6 |
| AMD | 8 | 5.1 |
| Glaucoma | 3 | 1.9 |
| Macular edema | 2 | 1.3 |
| corneal opacity | 3 | 1.9 |
| Optic atrophy | 1 | 0.6 |
| Other | 7 | 4.5 |
| Total | 156 | 100.0 |
