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Radial retroiridal linear pigmentation.
  1. G Rieger

    Abstract

    Radial retroiridal pigmented lines found on the peripheral anterior capsule of the lens have been interpreted since their description by Vogt as remnants of the tunica vasculosa retroiridalis (membrana capsulopupillaris). They were found in nearly 5% of adults. A control examination of 1108 children and juveniles failed to reveal a single example. They are therefore thought to be caused by pigment released from the posterior layers of the iris, particularly near the pupillary border in old age, as a result of constant abrasive movements of the iris on the anterior surface of the lens.

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