This award-winning picture shows a patient with pigment loss in the anterior segment of the iris.
This picture was a bronze award winner in the 2009 Institute of Medical Illustrators awards and was taken by Christopher Tetley, University Hospital of Wales, Cardiff.
This is the latest in our series of clinical pictures which will be published every week. Click here to see all the pictures.
Clinical picture of the week: Pigment lossPulse July survey
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