Rhoddodd tua 3,700 o blant a theuluoedd eu hymennydd ar brawf ddydd Sul yn nigwyddiad Gemau'r Ymennydd eleni yn yr Amgueddfa Genedlaethol yng Nghaerdydd.
The second Annual Patient Day for Welsh Patients with Inherited Eye Disease was held on Friday the 8th of January 2016 in the School of Optometry and Vision Sciences.