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Lens Disorders

  1. Peter Francis

Published Online: 27 JAN 2006

DOI: 10.1038/npg.els.0006105



How to Cite

Francis, P. 2006. Lens Disorders. eLS. .

Author Information

  1. Institute of Ophthalmology, University College London, London, UK

Publication History

  1. Published Online: 27 JAN 2006


The function of the crystalline lens of the eye is to focus light onto the retina. It has a unique structure, as lens cells are never shed but continually added throughout life. Cataract, or opacification, is by far the most common disorder affecting the lens.


  • eye;
  • lens;
  • cataract;
  • lenticonus;
  • crystallin