Had cancer surgery on my face a couple years ago.
When the area doesn't hurt, start massaging the discolored area. Will help a little. To be honest, I looked like I'd been a bar brawl for about a month...but that was surgery and deep tissue aggravation. you will be ok.
Oh...go to Merle Norman...they have an undercover makeup that is GREEN that will off set any redness. They can do a demo so you can see how it works. It's so cool!
Sorry about your accident. I know it must just tick you off.