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Distribution of main causes for visual impairment and blindness in childhood (children who were able to cooperate with visual acuity tests) in our cohort.
| Main diagnosis | Moderate visual impairment BCVA 6/18–6/60 (%) | SVI/legal blindness BCVA < 6/60 (%) |
|---|---|---|
| CVI | 4.6 | 22.8 |
| ROP | 1.6 | 3.5 |
| Albinism | 38.5 | 14.6 |
| Aniridia | 1.9 | 3.8 |
| Retinal dystrophies | 25.8 | 27.9 |
| Infantile nystagmus | 11.4 | 4.6 |
| Congenital cataract | 2.2 | 1.9 |
| Optic atrophy | 8.2 | 8.6 |
| Other | 5.3 | 11.9 |
| Total | 100% | 100% |
SVI severe visual impairment.
