I wouldn't say I have complete face blindness but I really struggle to recognise people. Twice yesterday at work I didn't recognise two different colleagues and completely blanked them in the corridor. One because they had their hair different and the other because they were wearing their coat and I couldn't see their outfit. I found myself looking at their faces trying to see if they were my colleagues but I couldn't 100% tell that it was them and not someone else within their demographic.
Some people I will easily recognise as they look distinctive enough or have some unique identifying feature that means that I can't mix them up with others.
Does anyone else struggle with this? :(