Red dot on eye, what is this? I have a red dot on the white of my eye, it looks like a cluster of veins. What is this? What causes this?

A. A cluster of veins suggests an inflamed pinguecula, which is usually caused by exposure to ultraviolet light and other environmental irritants, such as wind. The following link provides an excellent photograph of an inflamed pinguecula.
Blood vessels. This is most likely blod vessels. Fit a symptomatic then not to be concerned.