After taking a neuroscience or biology course, most students have heard about rods and cones. But what about the recently discovered third class of photoreceptor cells in the retina - intrinsically ...

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 ...

A: Zebrafish retinas at 3 days-post-fertilization (dpf). The neural retina consists of six major classes of neurons including two types of photoreceptors, rods and cones. B: Rod and cone ...

Like ours, the fish visual system relies on light-sensitive receptors in the retina called rods and cones: Rods for twilight vision, cones for daylight vision. Researchers examining a 300-million-year ...

Every other Friday on Morning Edition, the Outside/In team answers a question from a listener about the natural world. We often solicit listener questions on social media, and this one comes from ...