Hi my father sugar fasting show 57 & 64 for past 2 days and after eating is 102. When his sugar is low vision is little blurry. Having little pain in his left side throat like tonsils while swollowing something. I have attached his photos, let me know if we need to worry about black fungus. Sugar patient Bp patient 140/70 before medicene Kft normal Uric acid 8.1 Had medrol and fabiflu when he was covid positive for 10 days as per doc prescription.