Hi I am 27 years. These days I am feeling blurry vision,Black spots at the start and the totally blind for 15 minutes,head ache for few seconds, but it never happens with vision problem, last time i headache an hour after vision problem. 2 Years ago this used to happen twice or thrice a year and now its after every month. I also feel tired,lazy, and now i got my blood test done ,it shows really low iron ,nearly 8 grams. and now my sugar level after fasting for 8.5 hours comes out to be 5.9 ,little higher, please advise i have no idea whats going on.