UV-A pp 59-83 | Cite as

Optical Properties of the Skin and Eyes

  • John A. Parrish
  • R. Rox Anderson
  • Frederick Urbach
  • Donald Pitts


The first law of photochemistry (Grotthus-Draper law) states that no photochemical (or subsequent photobiologic) reactions can occur unless radiation is absorbed. The biologic effects and microscopic alterations observed after absorption of UV radiation result from a complex sequence of biochemical reactions and cellular responses, some of which may be distant from the site of absorption. These chains of events must begin, however, with the excitation of important molecules to reactive states by the absorption of photons of certain wavelengths.


Stratum Corneum Ultraviolet Radiation Spectral Reflectance Spectral Transmission Basal Cell Layer 
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.


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Copyright information

© Plenum Press, New York 1978

Authors and Affiliations

  • John A. Parrish
    • 1
  • R. Rox Anderson
    • 1
  • Frederick Urbach
    • 2
  • Donald Pitts
    • 3
  1. 1.Harvard Medical SchoolUSA
  2. 2.Skin and Cancer HospitalTemple University School of MedicineUSA
  3. 3.College of OptometryUniversity of HoustonUSA

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