One thing is to learn about concepts behind stigmatization and demonization, at least in as much as a rough and generalized understanding is concerned.
The second thing is to learn to adapt this to one's own way of dealing things. And one aspect of that - in my experience now - is to communicate proactively.
One thing that can be done is to convey a message about the reality of disability rather than a myth; in my view, it is a rather ridiculous naivety to blurt 'what does not kill you makes you stronger', hence:
There are a number of online stores that sell interesting design items that are useful for the visible disability category, one of them shamelessly advertised here is my own store on CafePress. Thank you for your interest and for your support.
Another thing is to modify the appearance of the prosthesis by making it look clearly artificial yet good looking, clearly an add-on rather than a poor supplement such as in my Red Hand trial: