Beth yw'r meini prawf i bobl gael hylif i’r llygaid am ddim ar gyfer lensys cywirol i drin cyflyrau llygaid fel ceratoconws?
Wedi'i ateb gan Y Gweinidog Iechyd a Gwasanaethau Cymdeithasol | Wedi'i ateb ar 28/08/2019
Health boards are responsible for the provision of these services across Wales.
The Welsh Optometric Committee, a statutory advisory group to the Welsh Government, is currently considering the specialist contact lens service provision across Wales, including contact lens products, as part of its review.