Yes, it's re-assuring not to have a background retinopathy result, but it may not be a real improvement if the previous result was a misinterpretation. Some people may get a background retinopathy result for a few years running before it becomes clear that what was thought to be a sign of retinopathy was just 'normal' for that person. If the person has changed something in the year before the result changes from 'background' to 'no' retinopathy, they may interpret whatever they have been doing as leading to an improvement in their retinopathy whereas there has actually been no visible change.