AC, anterior chamber; C, cornea; CB, ciliary body with ciliary processes at tip; I, iris;
L, lens; LC, lens capsule; PC, posterior chamber; S, sclera
black arrow = scleral spur
thick white arrow = Schwalbe's line
thin white arrow = angle recess or approach
Courtesy of Pat-Michael Palmiero, MD. Adapted with permission from the
American Academy of Ophthalmolog y Knowledge Base Glaucoma Panel. Practicing
Ophthalmologists Learning System 2014–2016. Glaucoma review outline. Diagnostic
tests: ultrasound biomicroscopy.
Figure 3. Normal-Angle Anatomy by Ultrasound
Biomicroscopy
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