Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

Bird retinas survive without oxygen by burning sugar scientists solve 300 year mystery that could help treat human strokes.

Scientists have known for years that a lattice of blood vessels nourishes cells in the retina that allow us to see -- but it's been a mystery how the intricate structure is created. Now, researchers ...

Biologists have finally solved a centuries-old mystery regarding how birds maintain sharp eyesight despite ...

National Eye Institute (NEI) researchers have mapped the organization of human retinal cell chromatin, the fibers that package three billion nucleotide-long DNA molecules into compact structures that ...

Another milestone in eye imaging has been achieved. Polish scientists have developed a technique that enables visualization of the retina and choroid at discrete depths. Modern imaging of eye tissues ...