November 1971
Volume 10, Issue 11
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Articles  |   November 1971
Electroretinographic Evaluation of the Bunsen-Roscoe Law for the Human Eye at High Energy Levels
Author Affiliations
  • ROBERT A. ROSENBLUM
    Crew Systems Department, Naval Air Development Center, Warminster, Pa.; Barnes Hospital, Washington University Medical School, St. Louis, Mo. 63110
Investigative Ophthalmology & Visual Science November 1971, Vol.10, 904-910. doi:
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      ROBERT A. ROSENBLUM; Electroretinographic Evaluation of the Bunsen-Roscoe Law for the Human Eye at High Energy Levels. Invest. Ophthalmol. Vis. Sci. 1971;10(11):904-910.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

The amplitude of the a-wave of the human electroretinogram was shown to obey the intensitytime relation of the Bunsen-Roscoe Law at very suprathreshold energy levels. This implies that retinal receptor cells are capable of temporal light integration at these energies. Failure to demonstrate a photochemically predicted intensity-time reciprocity failure at very high energy levels may represent insufficient flash stimulus energy. The latency of the b-wave response was shown to be dependent on flash duration at constant energy, increasing as duration increases.

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