So what causes the hemmorhage? A subconjunctival hemmorhage can occur if a person has too much pressure on the upper part of the body or head. Pressure can be created by straining too hard while lifting something very heavy or coughing or sneezing. Straining during constipation can also cause enough pressure to burst a blood vessel in the eye. Other causes are high blood pressure, diabetes, trauma or a high dosage of blood thinners, such as aspirin.
If you notice a red spot in your eye that lasts for longer than a few days, you should schedule an eye exam. Your eye doctor will try to determine the cause of the subconjunctival hemmorhage. A comprehensive eye exam is usually warranted to rule out other diseases or trauma to the eye tissues. Treatment consists of a medical evaluation and reassuring the patient that it will go away, usually within a week. If the hemorrhage is large, it may take a little longer than a week and turn a yellowish, bruise-type color before it goes away. Artificial tears are sometimes recommended to keep the eye feeling comfortable in case of any tissue elevation due to a larger hemorrhage.
Source: American College of Occupational and Environmental Medicine (ACOEM), Management of Red Eye. 2004 p.77.
American College of Occupational and Environmental Medicine (ACOEM), Management of Red Eye. 2004 p.77.