title: Use of a ball-bearing to facilitate goniolens rotation.
authors: Pacific University, College of Optometry, Forest Grove, Oregon 97116, USA.
authors: R M
authors: RM
authors: Cook
authors: A
authors: A
authors: Mahdaviani
authors: R L
authors: RL
authors: Yolton
mesh_terms: D000867:Anterior Chamber / Q000033:anatomy & histology; D006068:Gonioscopy / Q000295:instrumentation*; D006801:Humans