Eye-Catching Vision Discovery (photonics.com | Jul 2009 | News and Features)
BALTIMORE, Md., July 28, 2009 – Nearly all species have some ability to detect light. At least three types of cells in the retina allow us to see images or distinguish between night and day. Now, researchers at the Johns Hopkins School of Medicine have discovered in fish yet another type of cell that can sense light and contribute to vision.
viaEye-Catching Vision Discovery (photonics.com | Jul 2009 | News and Features).