Figure 3. B-ultrasonography images of patients from family B. A and B: Images of the right and left eyes, respectively of patient II:2. C and D: Images of the right and left eyes, respectively, of patient III:1. The B-ultrasonography images show posterior segment coloboma for both eyes of patient II:2 and the right eye of patient III:1. Focal and irregular introcessions in the eyeball wall are marked with red arrows.