gonioscopy
Drainage Angle Exam
Plain-language definition
An exam using a special lens to view the drainage angle of the eye, used in glaucoma evaluation to distinguish open-angle from angle-closure forms.
Read our full article on Gonioscopy.
Where this term comes up
“Glaucoma was excluded despite optic nerve cupping, as intraocular pressure was normal at 10 mmHg OU and gonioscopy showed open angles”
Publication · Wallerian Degeneration of Optic Nerve due to Neonatal Intracranial Hemorrhage
“Glaucoma assessment (with gonioscopy)”
Test · Slit Lamp Examination
“Gonioscopy: examining the drainage angle”
Treatment · Laser Peripheral Iridotomy (LPI)
- Category
- Test or diagnostic term
- Also written as
- No alternate forms listed.
Diagnostic terms describe tests, measurements, imaging, or exam techniques used to understand eye and neuro-ophthalmic problems.
Related glossary terms
A note on medical context
A glossary definition can explain a word, but it cannot tell you whether a symptom or test result is serious. If this term came from an article, use the full article and your clinician's guidance for context.