It may even improve eye-sight in the short-term: https://www.newscientist.com/article/2298723-red-light-therapy-could-improve-eyesight-that-has-declined-due-to

It may even improve eye-sight in the short-term: https://www.newscientist.com/article/2298723-red-light-therapy-could-improve-eyesight-that-has-declined-due-to-age/ https://www.newscientist.com/article/2298723-red-light-thera... I'm not sure about the energy and wavelength difference compared to the glasses. But even if it has a positive effect from short-term exposure, it may also have bad effect from too much exposure.