Are these newly found rare cells a missing link in color perception?

Using adaptive optics, scientists have identified elusive retinal ganglion cells in the eye’s fovea that could explain how humans see red, green, blue, and yellow.

​Using adaptive optics, scientists have identified elusive retinal ganglion cells in the eye’s fovea that could explain how humans see red, green, blue, and yellow. Using adaptive optics, scientists have identified elusive retinal ganglion cells in the eye’s fovea that could explain how humans see red, green, blue, and yellow.