Probably using cover-up makeup will diminish the appearance until it can heal.
Of course, some common sense needs to be applied when considering some of the following suggestions. Since your bruise is to the area around the eye, applying anything like cayenne pepper or onion, or some of the other items could be very painful, but also plain crazy to apply on sensitive skin or the eye.
1.) get a stick of butter and cut a slab off. 2.)Rub the cut section of the leftover onion with the butter. Soften the butter ever so slightly if you need to, by letting it sit at room temperature for a few minutes. 3.) Place the onion on foil and wrap it tight. 4.) then place in a tupperware dish to keep you fridge from smelling like onion 5.)Store the onion in the refrigerator, the butter will act as a barrier and prevent the outside air from drying out your onion.
Here's a trick i found out not to long ago. Unplugged. frig. place newspaper inside everywhere you can in both sections. Close door. wait like 2 days. Repeat if necessary. the odor will travel to the newspaper