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    By Robert H. Osher MD; Deborah A. Osborn; David K. Wang
    AAO 2014
    Cataract/Anterior Segment

    Dr. Robert Osher takes you on a journey that begins with an unusual and fascinating biomicroscopic finding and ends with a new, expanded understanding of the visual system. His patient presents with a rare trait that he shares with several family members, a polychromatic peripheral anterior capsule, the hue and intensity of which change as a slit lamp passes back and forth. Dr. Osher shows how the iridescence is likely caused by light interacting with the patient’s unique nanostructural architecture.