Lenses for sunglasses, eyeglass and spectacles; lenses for filtering light of specific wavelengths for use in sunglasses, eyeglass and spectacles; optical filters for windows; window treatments in the nature of adhesive color separation film sheeting for filtering light of specific wavelengths; protective color separation films for windows, televisions, computers, tablets, laptops, smart phones, cell phones, digital clocks, electronic appliances and light emitting diode displays, luminaires, ...