Abstract

As of 1 January 2002, twelve European Union countries have a new common currency - the euro. Amongst the many advantages that the use of this single currency may bring, there is one that is serendipitous from the viewpoint of studying anomalies in color vision: the eurocent coins serve as a ready-made test to detect anomalous chromatic vision.

© 2002 Optical Society of America

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References

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Appl. Opt. (1)

Displays (2)

P. J. Pardo, A.L. Pérez, M.I. Suero, �??A new colour vision test in a PC-based screening system,�?? Displays 21, 203-206 (2000).
[CrossRef]

P. J. Pardo, A. L. Pérez, M. I. Suero, �??Characterization of dichromat and trichromat observers using a Pcbased anomaloscope,�?? Displays 22, 165-168 (2001).
[CrossRef]

J. Opt. Soc. Am. A (1)

Other (3)

G. Wyszecki, W. S. Stiles, Color science, (Wiley, 1982).

M. Montanero, M. F. Díaz, P. J. Pardo, M. I. Palomino, J. Gil, A. L. Pérez, M. I. Suero, �??Daltonismo y rendimiento escolar en educación infantil,�?? Revista de Educación, (to be published).

J. Pokorny, V. C. Smith, G. Verriest, A. J. L. G. Pinkers, Congenital and acquired color vision defects, (Grune and Stranton, New York, 1979).

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Figures (2)

Figure 1.
Figure 1.

Plot of the chromaticity coordinates of eurocent coins on the CIE 1931 diagram, together with the confusion lines of protanopes (dashed line) and deuteranopes (solid line).

Figure 2.
Figure 2.

(Left) photograph of 20 and 5 eurocent coins; (centre) simulation of how a deuteranope observer would see these two coins; (right) simulation of how a protanope observer would see them.

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