Table 2.
Visual acuity of ERD eyes
| Categorisation of vision | UVA | BCVA | ||
|---|---|---|---|---|
| Frequency | % | Frequency | % | |
| 6/12 and better (normal) | – | – | – | – |
| <6/12 to 6/18 (mild visual impairment) | – | – | 1 | 10 |
| <6/18 to 6/60 (moderate visual impairment) | – | – | 1 | 10 |
| <6/60 to 3/60 (severe visual impairment) | – | – | – | – |
| <3/60 and worse (blind) | 9 | 90 | 7 | 70 |
| NPL (no light perception) | 1 | 10 | 1 | 10 |
| Total | 10 | 100.0 | 10 | 100.0 |
UVA: uncorrected visual acuity, BCVA: best corrected visual acuity