H40.231-233 Intermittent Angle-Closure Glaucoma

Intermittent angle-closure indicates there is an obstruction to the aqueous outflow mechanism in the anterior chamber.

H40.1211-1233 Low-Tension Glaucoma

Low-tension glaucoma (e.g., normal-tension glaucoma) is defined as glaucoma where the intraocular pressure is never measured above 21 mm Hg.

H40.1111-1133 Primary Open-Angle Glaucoma

Glaucoma is an optic neuropathy showing distinctive changes in optic nerve morphology without associated pallor.

H40.011-023 Open-Angle Glaucoma Suspect, Low Risk

A glaucoma suspect is a person with clinical findings and/or a combination of risk factors that indicate an increased likelihood of developing glaucoma.