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The fluid pressure within the eye created by the continual production and drainage of aqueous fluid in the anterior chamber.
Intraocular pressure (IOP)
The disk of pigmented muscle tissue located in the anterior chamber behind the cornea and anterior to the lens, the center of which is the pupil
The restriction or blockage of blood flow through a blood vessel. Ischemia is a causative agent of certain heart attacks and strokes and is involved in various types of visual field losses.