Bruise/discoloration/redness on nasal bridge? Please help, I don't have access to my surgeon. (photos)

Thank you for your question.  At 4 weeks post-operatively, it is not uncommon to have swelling and bruising/redness, especially in the areas where a graft was placed.  This should resolve with time, and all swelling can last anywhere from 6 months to 1 year to fully resolve.  I would continue to follow the post-operative instructions from your surgeon.  If you are unable to contact your surgeon, I would suggest meeting with a board-certified facial plastic or plastic surgeon who specializes in rhinoplasty, if this redness does not fully resolve. I hope that this helps!-David Gilpin

Four weeks is still a short time after your surgery. Bruising or redness may persist for several weeks, so don't panic yet. Give it some time to settle down. If after a few months the coloration is still present consult with an experienced rhinoplasty surgeon and see what can be done to help. laser treatments can be used to reduce redness or purple persistence.

Thank you for the question! It is difficult to fully evaluate your situation without an in-person exam. In all likelihood, you are still experiencing swelling, which is not uncommon after rhinoplasty. Typically, it takes 2-3 weeks for most bruising and post-operative discomfort to resolve, and 6-12 months for swelling to completely subside. Until this process is over, you may observe some discoloration and other irregularities. The fact that your bruising is subsiding is a great sign. 
At 12 days post-op, it's much too early to observe final results of your procedure.  I'd advise giving it some more time for your nose to "settle" and alert your plastic surgeon if you experience increase in swelling.   
An in-person exam with a board-certified plastic surgeon would be the best way to assess your situation and guarantee an individualized medical advice. Best of luck!