Original Article: http://www.mayoclinic.com/health/medical/IM00144
- Movement of fluid in the eye
- Angle-closure glaucoma
- Open-angle glaucoma
- Tear glands and tear ducts
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- Slide show: Age-related vision problems
In angle-closure glaucoma, the angle formed by the cornea and the iris closes. In this illustration, the iris is plastered against the trabecular meshwork, which prevents the aqueous humor from reaching the drainage channels (see black arrow). This can lead to a rapid increase in intraocular pressure, a serious medical condition.