» Iris Pupil Hypertrophy (Photo) : RootAtlas

Iris Pupil Hypertrophy (Photo)

Last updated August 16, 2007

This closeup micropscopy photograph shows hypertrophy of the iris sphincter muscle at the pupil margin. The muscle/inner pigment layer has bunched up and rotated forward through the pupil.

To see this pupil in action, watch the pupil hypertrophy video from which this snapshot was taken.

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