You can see it with the naked eye, too, near the center of your vision. https://en.wikipedia.org/wiki/Haidinger%27s_brush https://en.wikipedia.org/wiki/Haiding

You can see it with the naked eye, too, near the center of your vision. https://en.wikipedia.org/wiki/Haidinger%27s_brush https://en.wikipedia.org/wiki/Haidinger%27s_brush