Ice bag or application of ice is ideal for immediate treatment of Blunt injuries, contusions like Black eye. It minimizes pain and immediate swelling. - Fill the ice bag with small ice cubes or crushed ice till it is half full. - Add a pinchful of salt, so that the ice will not melt quickly. Remove the excess air in the bag, close the lid tightly, dry the bag from outside, wrap it in a towel and apply it to the injured part.