Narrowing or blockage of the iridic angle; usually attributive, especially in "angle-closure glaucoma", designating a type of glaucoma in which drainage of aqueous humour is impeded by this; also called narrow-angle glaucoma.
Origin
1950s.
Definition of angle-closure in US English:
angle-closure
noun
Ophthalmology
Narrowing or blockage of the iridic angle; usually attributive, especially in "angle-closure glaucoma", designating a type of glaucoma in which drainage of aqueous humour is impeded by this; also called narrow-angle glaucoma.