While the sample is small, the article states "Researchers built on their previous findings in mice, bumblebees and fruit flies, which all found significant imp

While the sample is small, the article states "Researchers built on their previous findings in mice, bumblebees and fruit flies, which all found significant improvements in the function of the retina's photoreceptors when their eyes were exposed to 670 nanometre (long wavelength) deep red light." This might not be so out-of-the-blue implausible.