Talk to General Physician on Feeling Tired Even After Proper Sleep And Taking Multivitamins

I have been feeling tired all day lately, Even though I am taking atleast 7-8 hours of sleep daily even after that when I go to the office I feel sleep all day. I am taking the multi vitamins given to me by the doctor Which was the Vitrum and nutrifactor suncell himself still I am unable to get active and feel energetic in my daily day. I feel dizzy as well and sometime I feel the situation same like after having the dizzines attack as in live all things go black. Even when I am praying I go into the prostration and when I uplift I feel dizzy and shaky. I have done my full body test they all came clean no issues at all. Still I am unable to undertand what is happening. My body also go cold sometimes. Also 1 other thing I am facing these days is that my eyesight is getting weak as well can this all this related to that ? I dont have any stress at work but in my person life there are tons of issues that I am facing and depressed due to them Suggest me which doctor should I consult ? I have attached my full body test reports I want to ask which doctor should I consult