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 based on pseudoisochromatic plates. He developed the plates right after Sweden’s infamous Lagerlunda train wreck in 1875. Two trains had collided, possibly because an engineer had been unable to distinguish between red and green signal lights. Dr. […]
Waggoner’s Exhibiting at CEwire2020!
Waggoner is exhibiting at CEwire2020 this year and we’re absolutely thrilled to be a part of it! We will have several representatives available during the live hours on February 8th and 9th to take your questions. Headquartered in Rogers, AR, Waggoner Diagnostics develops, manufactures, and distributes innovative ophthalmic medical devices. Waggoner Diagnostics’ suite of color […]