Hi Hope You Can Help Think I Took Blood Pressure

Hi hope you can help think I took blood pressure tablets twice last Thursday and Sunday last night my vision went blurry like a dark cloud over one eye felt funny and dizzy for about 10-15 minutes got home and still blurry vision then got headache hoped it would pass but today still blurrd vision and headache was bad went to chemist and they took my blood pressure 1st was 154/114 so waited while and then was 165/117 my doctors closed could you give me some advice plsss