noun. An uncommon type of color blindness marked by trouble in differentiating between blue and yellow. Luminosity perception is normal, but the blue and yellow perception procedures have gotten mixed up or possibly meshed links.

TETARTANOPIA: "The patient was diagnosed at the age of five with tetartanopia."
Cite this page: N., Pam M.S., "TETARTANOPIA," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/tetartanopia/ (accessed August 5, 2021).