Nanoceria protects the retina
Chen and colleagues showed cerium oxide nanoparticles (nanoceria) prevented rises in reactive oxygen inside rat retina cell cultures and, in living animals, prevented vision loss from light-induced degeneration of photoreceptor cells.
As reported in: Chen, Patil, Seal et al. (2006). Rare earth nanoparticles prevent retinal degeneration induced by intracellular peroxides. Nature Nanotechnology. doi:10.1038/nnano.2006.91