Behçet Disease (Hypopyon)

Behçet Disease (Hypopyon)

This photo shows pus (or hypopyon) in the anterior chamber of the eye in a patient with Behçet disease. A fine sediment of white blood cells is seen at the bottom of the iris (at lower center) between the iris and cornea. The pupil is enlarged, and the sclera is red with blood vessels.

SUE FORD/SCIENCE PHOTO LIBRARY