Table 3 Correlation between status of third HRB at initial visit examined at 500, 1000 and 1500 µm from fovea and final VA.
| Third HRB status at initial visit | VA at final visit | p Value | |
|---|---|---|---|
| ⩾20/32 | <20/32 | ||
| In the fovea: | |||
| Present | 2 | 2 | |
| Absent | 14 | 11 | 0.823 |
| At 500 µm from fovea: | |||
| Present | 10 | 2 | |
| Absent | 6 | 11 | 0.0104 |
| At 1000 µm from fovea: | |||
| Present | 14 | 6 | |
| Absent | 2 | 7 | 0.0167 |
| At 1500 µm from fovea: | |||
| Present | 16 | 11 | |
| Absent | 0 | 2 | 0.104 |
VA, visual acuity; HRB(+), eyes with third high reflectance band (HRB) in the fovea; HRB(−), eyes without third HRB in the fovea.