In fact, the possibilities to fine tune light therapy for PD through such wearables is now immense. For example, the Propeaq glasses already come with an app which allows the timings of the therapy to be programmed in: Toine is helping Olympic athletes achieve peak performance at the scheduled times of their events! They also already come with interchangeable tinted colors, including red for increasing melatonin: currently, these are used when the wearables are applied to combatting jet lag, for example.