Visible veins. Some sufferers of Rosacea additionally can be afflicted by telangiectasia, which is known as the medical term for seen blood vessels or veins on skin surface. That is a result of a propagation of veins through the years gradually; an unlucky skin spinoff ailment. “Spider veins” – that is the common name of such disorder. That is slightly visible branching of veins on face. Actually, those are visible veins, which are hidden, speaking about a healthy person.