Hsia & Graham's (1957) protanopic and deuteranopic spectral sensitivity data

Data key

Columns

Energy

  1. Wavelength (nm)
  2. log protanopic spectral sensitivity
  3. log deuteranopic spectral sensitivity
Quanta
  1. Wavelength (nm)
  2. log protanopic spectral sensitivity
  3. log deuteranopic spectral sensitivity

Notes

Mean data from Table 1 of Hsia & Graham (1957).

The data are absolute thresholds for the detection of a centrally-fixated, 42-min diameter, 4-ms duration target. For details see Hsia & Graham (1957).

References

Hsia, Y., & Graham, C. H. (1957). Spectral luminosity curves for protanopic, deuteranopic, and normal subjects. Proceedings of the National Academy of Science U.S.A., 43, 1011-1019.