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Dr. Dvorine's Criticism of the HRR: A Letter to the Inter-Society Subcommittee on Color Blindness

January 26, 2021

Around 1955, Dr. Israel Dvorine wrote a letter to the Inter-Society Subcommittee on Color Blindness in regards to accepting the American Optical Ha...

Posted in Acquired color vision deficiency, Color, color vision deficiency, Color Vision Testing Made Easy, Colorblind, ColorVisionTesting.com, CVTME, Dvorine, Extended color vision test, Eye Health, HRR, Ishihara, Review of Optometry, Waggoner, Waggoner CCVT, Waggoner Computerized Color Vision Test, Waggoner Diagnostics, Waggoner PIP24, www.WaggonerDiagnostics.com

The Evolution of Color Vision Testing (Ishihara, HRR, Dvorine, and more)

January 06, 2021

The Evolution of Color Vision Testing German researcher Jakob Stilling, developed "Stilling's Colour Table" in 1877, the first color vision test ba...

Posted in Color, color vision deficiency, Color Vision Testing Made Easy, Colorblind, CVTME, Dvorine, HRR, Ishihara, Waggoner PIP24, WaggonerDiagnostics.com