Spontaneous and visible light-induced ultraweak photon emission from rat eyes
Chao Wanga, István Bókkonb, Jiapei Daia, István Antalc
Isolated rat eye tissues emit faint light, which may explain visual phenomena like seeing static or flashes without external light.
Here, we present the first experimental in vitro evidence of the existence of spontaneous and visible light-induced ultraweak photon emission from freshly isolated whole eye, lens, vitreous humor, and retina samples from rats. These results suggest that the photochemical source of retinal discrete noise, as well as retinal phosphenes, may originate from natural bioluminescent photons within the eyes. During normal vision, the eyes are continuously exposed to ambient powerful photons that pass through various parts of the eyes, which can produce ultraweak delayed bioluminescent photons that arise from diverse parts of the eyes. Although the importance and possible role of ambient light-induced permanent delayed photons (within different parts of the eyes) during vision requires further investigation, our study may provide evidence of an origin of discrete dark noise and retinal phosphenes.
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