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. Scientists have long wondered how ...

Scientists at the Jules Stein Eye Institute at the David Geffen School of Medicine at UCLA have discovered that certain retinal cells can rewire themselves when vision begins to deteriorate in ...

QUESTION: Which animal can see the widest spectrum of colours? Mantis shrimp have remarkable colour vision. They have as many as 16 types of photoreceptor cone, compared with the three humans have.