Doctor iam having eyesight problems like little dark blackout i checked my eyesight level its not high wats the problem ?

Low blood pressure?: I wonder if the black spots might be low blood pressure. Since you already had your vision checked I would suggest having your blood pressure checked next. Sometimes when going from laying to sitting or sitting to standing blood pressure dips can cause black spots in front of our eyes and make you feel faint

Near syncope: Near syncope, or hypertension, or other cardiovascular issues, may present with dizziness, near syncope, lightheadedness, with blackout spells, which may be warning signs of other serious medical condition, Such as anemia, arrhythmia, I may not be related to vision problem. Consult your physician immediately for further evaluation.