Visioscan-Driven ULEV Method

  • Gérald E. Piérard
  • Claudine Piérard-Franchimont
  • Sébastien Piérard


The Visioscan® device was designed for enhancing the perception of the melanin load in the epidermis. The method relies on ultraviolet light illumination of the skin. The incident wavelengths are filtered by melanin inside the epidermis. Once arrived in the dermis, fibrous collagen reemits fluorescent light which is again filtered in its way out through the epidermis. As another dermal effect, hemoglobin present in dilated blood vessels absorbs the incident light and thus contributes to a quenching effect. The focal variations in melanin content in the epidermis are conveniently recorded. The effects of aging, physiologic hormonal changes, and pathologic alterations are clearly identified when the melanocyte function is altered.


Epidermal Growth Factor Receptor Stratum Corneum Skin Surface Hair Shaft Melanin Content 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This work was supported by a grant from the “Fonds d’Investissement de la Recherche Scientifique” of the University Hospital of Liège. No other sources of funding were used to assist in the preparation of this manuscript. The authors have no conflicts of interest that are directly relevant to the content of this review. The authors appreciate the excellent secretarial assistance of Mrs. Ida Leclercq and Marie Pugliese.


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Copyright information

© Springer Berlin Heidelberg 2014

Authors and Affiliations

  • Gérald E. Piérard
    • 1
  • Claudine Piérard-Franchimont
    • 1
  • Sébastien Piérard
    • 2
  1. 1.Laboratory of Skin Bioengineering and Imaging, Department of DermatopathologyUniversity Hospital of LiègeLiègeBelgium
  2. 2.Telecommunications and Imaging LaboratoryINTELSIG, Montefiore Institute, University of LiègeLiègeBelgium

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