Cause of dizziness after blephoplasty?

Lower bleph one eye only on 3/22 with fat grafting under both eyes. Bleeding at bleph site 3 days and 6 days post op and on 7 days post op began being very dizzy and hazy vision. Now 15 days post op. CT and EKG and bloodwork all normal. Surgeon says unrelated to procedures. Please help. Very scared.