Monthly data on ophthalmology outpatients who were waiting within their target date or within 25% beyond their target date at the end of May 2021.
Data misol ar gleifion allanol offthalmoleg a oedd yn aros o fewn eu dyddiad targed neu o fewn 25% y tu hwnt i'w dyddiad targed ar ddiwedd mis Chwefror 2021.