Eye Pigmentation and Constant Light Damage in the Rat Retina

  • Matthew M. LaVail


Photoreceptor destruction is known to occur as a result of exposure for various lengths of time to low (less than about 1000 lux) (1, 2), moderate (about 1000–3000 lux) (3, 4) and higher (5, 6) levels of visible light, as well as by the radiant energy from lasers of different wavelengths (7, 8). In the case of high levels of visible light (6) and laser-induced damage to the retina, the mechanism appears to be the absorption of energy by melanosomes in the pigment epithelium and, indeed, the extent of laser-induced retinal destruction is directly related to the degree of retinal pigmentation (7, 8).


Retinal Pigment Epithelium Pigment Epithelium Outer Segment Constant Light Outer Nuclear Layer 
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Copyright information

© Plenum Press, New York 1980

Authors and Affiliations

  • Matthew M. LaVail
    • 1
  1. 1.Department of Anatomy, School of MedicineUniversity of California, San FranciscoSan FranciscoUSA

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