What is meant by derealization with anxiety?

Derealization: Derealization is the subjective experience of unreality of the outside world. It is an alteration of the experience or perception of the world around the person. Anxiety is a feeling of unease, worry and fear. If you have these symptoms you should be under the care of your physician to determine the cause and give you proper treatment.

Anxiety: It means that "you lose touch with reality" feel kind a numb , not there any more and feel its not happening but in fact it is its a psychological mechanism a natural defense of human psyche to prevent too much trauma or intense emotions to damage nervous system.It can happen in various situations severe trauma, intense emotional set back and severe anxiety attacks can cause it.Get an eval.