University of Calabar Teaching Hospital, Nigeria.
Senior Lecturer, University of Calabar;
Consultant Ophthalmologist, University of Calabar Teaching Hospital, Calabar, Cross River State, Nigeria.
UCL Institute of Ophthalmology, University College London, Moorfields Eye Hospital, London, UK.
Greater Manchester Area.
Manchester Royal Eye Hospital, Central Manchester Foundation Trust, Manchester, UK.
Manchester Royal Eye Hospital, Central Manchester Foundation Trust, Manchester, UK
Moorfields Eye Hospital NHS Foundation Trust; PhD Student, University College London (UCL) Institute of Ophthalmology, UK.
Lead Clinician for Diabetic Retinopathy Screening Scotland, Queen Margaret Hospital, Dunfermline, Fife, UK.
Kamuzu Central Hospital, Lilongwe, Malawi.
Clinical Director, St Paul's Eye Unit, Royal Liverpool University Hospital, Liverpool, UK.
Department of Ophthalmology, Kamuzu University of Health Sciences and Lions Sight First Eye Unit, Queen Elizabeth Central Hospital, Blantyre, Malawi.
Moorfields Eye Hospital, London, UK.