Final answer:
The additional test that should be considered for African Americans with a hyphema is the Sickle cell test.
Step-by-step explanation:
The additional test that should be considered for African Americans with hyphema is Sickle cell test.
A hyphema is a collection of blood in the front chamber of the eye, and it can be caused by various factors, including trauma. Sickle cell disease is more common in African Americans, and it can increase the risk of hyphema. Therefore, it is important to consider a sickle cell test in this population.
This test detects the presence of sickle hemoglobin, which is characteristic of sickle cell disease. Identifying sickle cell disease in African Americans with a hyphema can help guide treatment and management decisions.