![Greenville SC EM on Twitter: "This week's #EMCaseConference featured optic neuritis. Patients may experience loss of red color vision, a finding known as red desaturation. #EmergencyMedicine #conferencepearl #MedEd Wilhelm, H., & Schabet, Greenville SC EM on Twitter: "This week's #EMCaseConference featured optic neuritis. Patients may experience loss of red color vision, a finding known as red desaturation. #EmergencyMedicine #conferencepearl #MedEd Wilhelm, H., & Schabet,](https://pbs.twimg.com/media/D8Yc15_WsAEuOc-.jpg)
Greenville SC EM on Twitter: "This week's #EMCaseConference featured optic neuritis. Patients may experience loss of red color vision, a finding known as red desaturation. #EmergencyMedicine #conferencepearl #MedEd Wilhelm, H., & Schabet,
![Spectrum Red Eco Oil Paints - PR4 2206 - Spectrum Red Paint, Spectrum Red Color, Spectrum Eco Paint, EF2D24 - Art-Paints.com Spectrum Red Eco Oil Paints - PR4 2206 - Spectrum Red Paint, Spectrum Red Color, Spectrum Eco Paint, EF2D24 - Art-Paints.com](http://www.art-paints.com/Paints/Oil/Spectrum/Eco/Spectrum-Red/Spectrum-Red.gif)
Spectrum Red Eco Oil Paints - PR4 2206 - Spectrum Red Paint, Spectrum Red Color, Spectrum Eco Paint, EF2D24 - Art-Paints.com
![Why are there only six fundamental colors: red, orange, yellow, green, blue, and violet? | Science Questions with Surprising Answers Why are there only six fundamental colors: red, orange, yellow, green, blue, and violet? | Science Questions with Surprising Answers](https://wtamu.edu/~cbaird/sq/images/spectrum.png)
Why are there only six fundamental colors: red, orange, yellow, green, blue, and violet? | Science Questions with Surprising Answers
![Red color palette fading into transparency. Red color spectrum sequence on black and white Stock Vector Image & Art - Alamy Red color palette fading into transparency. Red color spectrum sequence on black and white Stock Vector Image & Art - Alamy](https://c8.alamy.com/comp/2F6E9RA/red-color-palette-fading-into-transparency-red-color-spectrum-sequence-on-black-and-white-2F6E9RA.jpg)