Ultrasound Biomicroscopy

**Semantic type:** Diagnostic Procedure

**Definition:** A type of ultrasound eye exam that makes a more detailed image than regular ultrasound. High-energy sound waves are bounced off the inside of the eye and the echo patterns are shown on the screen of an ultrasound machine.

**Synonyms:** - Ultrasound Biomicroscopy (UBM) - ultrasound biomicroscopy