| abstract |
An apparatus for effecting a circadian outcome for an individual is provided, the apparatus including an article of eyewear that disposed relative to one or both eyes of an individual, the article of eyewear having one or more filter elements configured to controllably attenuate spectral components of light incident on the eyewear; the spectral components are in circadian-active wavelength ranges; and the one or more filter elements are controlled based on at least information associated with a circadian outcome of the individual. Related systems, methods and computer program products are provided. |