glow vision

Had a really strange experience in yoga, because of this weird back injury I have been laying off of yoga mostly, and am just getting back into it. For bliss replacement, I have been trying to meditate more. In class last night, we were doing a open-eyed meditation in the dark, and my right knee started glowing orange, and then everything around me was glowing, everything in the periphery at least, it really was freaking me out. Vision energy is ascending, I guess. But no actual vision, except for the glowing...