Johns Hopkins scientists have discovered that the eye's vision-producing rods and cones cannot tell the difference between their respective light-detecting molecules. The findings appeared in a recent ...

Scientists have long believed that the eye uses the retina’s rod cells for vision at night and cone cells to see during the day. New research at The Ohio State University Medical Center, however, ...

Share on Pinterest New research involving cones and rods in the retina could lead to new treatments for vision loss. Gregory Adams/Getty Images Cone photoreceptors in retinal degeneration have been ...