Blog
Dr. Dvorine's Criticism of the HRR: A Letter to the Inter-Society Subcommittee on Color Blindness
Around 1955, Dr. Israel Dvorine wrote a letter to the Inter-Society Subcommittee on Color Blindness in regards to accepting the American Optical Ha...
The Evolution of Color Vision Testing (Ishihara, HRR, Dvorine, and more)
The Evolution of Color Vision Testing
German researcher Jakob Stilling, developed "Stilling's Colour Table" in 1877, the first color vision test ba...