Figure 1 Ultrasound biomicroscopy image of narrow-angle glaucoma. Image courtesy Quantel Medical.

Figure 2 Pupil block and iris convex imaged via UBM. Image courtesy Peter Good, MD.

Figure 3 Comparison of OCT (A) and UBM (B) imaging for glaucoma. Note the penetration of UBM behind the ciliary body. Image courtesy Quantel Medical.