1. an examination of the front part of the eye to check the angle where the iris meets the cornea; it is used to distinguish between open-angle glaucoma and closed-angle glaucoma;
WordNet (r) 3.0 (2006):
gonioscopy
n 1: an examination of the front part of the eye to check the
angle where the iris meets the cornea; it is used to
distinguish between open-angle glaucoma and closed-angle
glaucoma