Evaluation of SeeColors filters for color vision correction and comparative analysis with EnChroma glasses

The purpose of this study was to evaluate the ability of SeeColors filters to enhance color vision test results using the electronic version of the Farnsworth D-15 (E-D15) and Ishihara tests on a Samsung TV, and to compare their effectiveness with EnChroma glasses. Sixty-six subjects with congenital red–green color vision deficiency were tested. For both protan and deutan groups, the confusion angle shifted to negative values, with SeeColors filters exhibiting a greater effect than EnChroma glasses. In the deutan group, the TES, S-index, and C-index of the E-D15 test decreased, with the SeeColors D30 filter having a more pronounced effect than EnChroma deutan glasses. In the protan group, while EnChroma protan glasses tended to decrease the TES, S-index, and C-index, the SeeColors P30 filter increased them. For both groups, TS and TN of the Ishihara tests improved, with the SeeColors D30 filter demonstrating a stronger effect than EnChroma deutan glasses. The study concluded that both the SeeColors D30 filter and EnChroma deutan glasses were beneficial for deutans, albeit the SeeColors D30 filter was superior. In protans, neither the SeeColors P30 filter nor EnChroma protan glasses showed significant effectiveness, but the SeeColors P30 filter did improve performance in the pseudoisochromatic task.