EYES STILL ATTUNED TO THE dashboard light, you plunge night-blind
into the wood duck swamp to please the dog, walking by feel between trees and tangled vines, feet seeking the compacted hardness of the path, following the rustle of the dog's feet as she trots ahead, then stops to wait.
In the war carrots were recommended for people who were night-blind
because it replaced the vitamin A they didn't have.
Thanks to cell transplants, some formerly night-blind mice can see in the dark, perhaps even well enough to evade a swinging carving knife.
Light-gathering nerve cells called rods injected into the retinas of night-blind mice integrated into the brain's visual system and restored sight, Robin Ali of the University College London Institute of Ophthalmology and colleagues report online April 18 in Nature.