Scar doc,thanks for your comments,I'm 67 years old and only have minor background retinopathy and I have never been hospitalised for hypoglycaemia or ketones,I have a PhD in civil engineering and have never lost a days work through my diabetes,I have worked all over the world and played semi- professional football and most field sports to county level.My Consultant has said I could not of prevented what has happened and that it is that I have been using artificial insulin for a long time.I will still try and keep my HbA1C as near normal as I can and take my chances.