Welcome to HCM!
After reading your question carefully I think that you should get an x Ray
done for your face as it was a real bad hit on nose, followed by black eye, and still after some weeks you have complaints of soreness at that site ( that too after taking pain killers) ; it can be a small fracture
of bridge of nose bone. So, one needs to rule that out.
Had I been treating you I would also like to go for a CAT scan to rule out any injury
in brain a so well as headache from injury over nose should not last that long.
I'm not scaring you but you need to see a doctor. It should not be a major problem anywhere ( in bone or brain) as you didn't have any unconsciousness
like symptoms, or any movement problem.
please visit a doctor an d get your self investigated. Whatever it is looks manageable.
Hope you get well soon
Please ask more queries if you have
Dr. Manisha Gopal