@looney2ns must have 20/20 vision by now! He must of known of the "possibility" of low LED light wavelength could be the answer to over 40 years of age eyesight helpfulness. I think I may stand outside and gaze at my camera LED for a couple minutes each night.
www.cnn.com

Declining eyesight can be improved by looking at red light, pilot study says | CNN
Just a few minutes of gazing into a small red light each day may help stave off eyesight decline as we age, a new study finds. If the results are replicated in future studies, the work could have relevance for a spectrum of aging-related conditions.