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Anterior chamber

Definition

The anterior chamber of the eye is the space between the posterior surface of the cornea and the anterior surface of the iris and lens which is filled with aqueous humor.

 

Anatomy

The anterior chamber is limited anteriorly by the cornea and posteriorly by the iris and the pupil. The anterior chamber angle at the junction between cornea and iris consists of the following structures:

Schwalbe’s line

Canal of Schlemm and trabecular meshwork

Scleral spur

Anterior surface of the ciliary body

Iris

The depth of the anterior chamber can vary between individuals. It is deeper in myopia, aphakia and pseudophakia. In the adult emmetropic eye it has a central depth of about 3 mm. It is most shallow just centrally of the angle. The anterior chamber volume in the emmetropic eye is approximately