I also had a similar problem and consulted a doctor at my hospital. I am a nurse. Six months ago I completed an internship. I am not yet an experienced specialist and I quickly get tired on my legs. Because of this, varicose veins arose. Shoes must necessarily correspond to the size of your foot and be comfortable - his answer. I searched and found good shoes for
home and work. My doctor also said that in order not to strain your back, you need to monitor the shoes you wear.
