It is a potentially serious problem and your HBP could have caused a vascular occlusion of one of the blood vessels of the retina or optic nerve. Take their advice and work through the causes.
JCH MD
just to add on i am 47 years old 6"4 18 stone i get no pain from the eye just a slight ache now and again
thanks very much for your help will post on here when i have scan and get results incase it helps anyone else