This is an image of the participant's retina captured during the OCT scan process. The example shown is one of the lower quality images, chosen primarily to demonstrate the file format and size.

This resource can be downloaded or viewed using the link: ac_oct_fundus.png

If you have wget available (typically on linux systems), then you can also obtain a copy using the command

 wget  -nd  biobank.ctsu.ox.ac.uk/ukb/ukb/images/ac_oct_fundus.png