There were 8 participants recruited by the RNIB for participation in the trials in Cardiff, and 5 participants were recruited by Vision Support to take part in the trials in Wrexham.
Cafodd 8 o gyfranogwyr eu recriwtio gan RNIB i gymryd rhan yn y treialon yng Nghaerdydd, a 5 o gyfranogwyr eu recriwtio gan Vision Support i gymryd rhan yn y treialon yn Wrecsam.