What question did this study set out to answer?

The study aims to evaluate the effectiveness of an orange filter in enhancing color perception for dichromats.

March 21, 2026

Effects of Using an Orange Filter on the Color Perception of Dichromats

Key Points

The study aims to evaluate the effectiveness of an orange filter in enhancing color perception for dichromats.
An orange filter was applied to the nondominant eye of dichromats.
A Macbeth color chart was used to test color identification.
Color discrimination was assessed under various luminance conditions.
The filter did not improve overall color identification.
Under certain luminance conditions, color discrimination may improve, aiding figure-ground detection.

Abstract

ABSTRACT An orange filter (Kodak Wratten 23A) was placed over the nondominant eye of dichromats and evaluated for effectiveness in improving their color perception. A Macbeth color chart, rather than a standard Ishihara test, was used to test color identification. The filter did not improve color identification, but may, under specific color luminance conditions, improve color discrimination, resulting in an improvement in the detection of figure from ground.

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Cite This Study

Leonard Polizzotto (Wed,) studied this question.

synapsesocial.com/papers/69be37f16e48c4981c67802a https://doi.org/https://doi.org/10.1002/j.2330-9512.1984.tb00753.x

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