Mr. John Doris graduated in Medicine from Queens University Belfast in 1998.  He trained as a medical physician at the Royal Victoria Hospital, Belfast for 2 years and received a membership of the Royal College of Physicians in 2001.  He completed his basic ophthalmic surgical training at the Royal Victoria Hospital, Belfast and his higher ophthalmic surgical training in Manchester Royal Eye Hospital. In 2009 he did a 12 month dual Medical Retinal and Vitreoretinal ASTO fellowship at Manchester Royal Eye Hospital. During that year he was a Co-investigator for a Wet ARMD clinical trial.  He was awarded a Fellowship of the Royal College of Ophthalmologists in 2010. He then undertook three additional years of specialist Vitreoretinal surgical fellowship training at Manchester Royal Eye Hospital, Southampton University Hospital and Moorfields Eye Hospital, London.  He has been a Consultant Ophthalmic surgeon with special interest in Vitreoretinal surgery at the Royal Victoria Eye and Ear Hospital in Dublin and the Royal Liverpool University Hospital before his appointment at University Hospital Waterford.  His surgical expertise encompasses vitreoretinal surgery and micro-incisional cataract surgery. He has expertise in macular hole surgery, retinal detachment surgery, epiretinal membrane surgery, diabetic eye disease, age-related macular degeneration and treatment of floaters.