Have a black eye? Here's what to doBy Mayo Clinic staff
Most black eye injuries aren't serious. The discoloration is caused by bleeding under the skin around the eye. To take care of a black eye: Gently apply a cold pack or a cloth filled with ice to the area around your eye. Don't press on your eye. Repeat several times a day for one to two days. Seek medical care immediately if you have vision problems, severe pain, or bleeding in your eye or from your nose.