黄斑厚度地形图扫描，默认设置为每次扫描视网膜厚度采用512个扫描点，但在每条扫描线中扫描点数可以在128 ~ 256间变动。

For macular thickness map scan, the retinal thickness measurements are taken at 512 points in each scan by default, but this number can be adjusted to 256 or 128 per scan line.

youdao

黄斑厚度地形图扫描，默认设置为每次扫描视网膜厚度采用512个扫描点，但在每条扫描线中扫描点数可以在128 ~ 256间变动。

For macular thickness map scan, the retinal thickness measurements are taken at 512 points in each scan by default, but this number can be adjusted to 256 or 128 per scan line.

youdao