Soniodd Anita Davies, 47 oed, o Ben-y-bont ar Ogwr, am ei phryderon pan roddwyd y gorau i gynhyrchu dau fath o ddiferion llygaid meddyginiaethol yr oedd yn eu defnyddio i osgoi colli ei golwg.
Anita Davies, 47 from Bridgend, spoke of her concerns after two types of her medicinal eye drops, which prevent her from losing her sight, were discontinued.