 [ Symptoms ] is having on and off blury vision a sign of type 2 diabetes i know blury is but i am not sure about this i currenty am diengnosed with metabolic syndrome and recently been batteling a bad virus but have also been experiencing some signs of type 2 diabetes does having a virus increase these signs of happening [ Disease ] hi why speculate just go see your doctor and get a simple blood test done there it could be you are just border line if so get off the sugars and things should come back to normal good luck