Scientists have discovered rod and cone cells while examining the fossil of 300-million-year-old fish eyes. The findings suggest that the fish likely possessed color vision. Scientists found fossil of ...

Rod cells and cone cells, the ones in our eyes that help us see, have been detected in a fossil fish at least 300 million years old, showing such cells evolved at least that long ago -- and that ...

KUMAMOTO, Japan, Dec. 24 (UPI) --Rods and cones, the two main photoreceptor cells, are vital to human sight -- converting visible electromagnetic radiation into information our brains can use. And it ...

The specialised retinas of some nocturnal coral fish result in faster vision and greater sensitivity to dim and bright light. The same adaptation may enable deep-sea animals to see in darkness. Fish ...