iris processes

iris processes

Fine bands of tissue extending from the anterior surface of the iris, bridging the angle of the anterior chamber from the root of the iris to the scleral spur or more often to the trabecular meshwork into which they usually merge. The processes are found in only about half of the population.
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Occasionally iris processes are seen running from the anterior surface of the iris to the scleral spur.
It is important to distinguish PAS from iris processes which can occur in normal eyes.