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.