TIFF (raster) images of the individual symbols
in the Auckland Optotypes. This is the regular (black on white) version.
Images are all 4096 x 4096 pixels, background is white (grey level 255), stroke
is black (grey level 0)
Funding
Cure Kids 3707907 “An efficient, low-cost method for detecting and assessing childhood amblyopia (“lazy-eye”) using a tablet computer”