Using Skype video calls

Hi, I am completely blind, and an new to Skype! I had my account for a while but just started to use it. A problem that did not occur to me until I began using the Skype app was making video calls. Because I have no vision, how do I make sure that the camera focuses on my face without constantly asking the person? Is there a way to do that? Does anyone use video calling? Any tips? Thanks, Gabriella