title: An improved diagnostic contact lens.
abstract: Modification of a standard Goldmann goniolens by reducing the curvature of the contact surface to 8.5 mm radius of curvature (from the standard curvature of 7.4 mm) enabled gonioscopy to be carried out without the nuisance of air bubbles.
mesh_terms: D003261:Contact Lenses; D005901:Glaucoma / Q000151:congenital / Q000175:diagnosis; D006068:Gonioscopy / Q000295:instrumentation*; D006801:Humans