RA - orphan posts | Video Perforated Corneal Ulcer (Photo) Timothy Root, MD This photograph shows a central corneal ulcer that has perforated. The iris is plastered against the back surface of the cornea. You can appreciate this chamber shallowing by looking at the slit-lamp beam as it passes through the cornea and hits the iris … the two light arcs are touching.This perforation occurred secondary to a neurotropic ulcer.