Tempest BlueSync - Mountain Forest

Tempest BlueSync - Mountain Forest uses proprietary BlueSync pigment technology to control exactly which wavelengths reach your eyes. The lens blocks harmful UV and high-energy visible light in the 400–450 nm range, reducing cellular stress from prolonged exposure. It selectively enhances circadian blue light around 480 nm to support natural energy and alertness. At the same time, it fully transmits healing red and near-infrared light and keeps the rest of the visible spectrum in optimal balance. This precise filtering approach supports eye protection, circadian rhythm, and daily performance in one system, helping you feel more focused, energised, and comfortable from morning to evening.

Ra Optics was founded by Matt Maruca after his own health journey led him to uncover the effects of artificial light on circadian biology. His mission became clear: to create the world’s highest-quality blue-light-blocking eyewear, backed by peer-reviewed science and guided by ancestral principles. Crafted with proprietary lens technology, Ra Optics glasses are engineered to protect mitochondrial function, regulate melatonin production, and reduce the impact of screen-induced fatigue. It’s a deceptively simple tool, designed to restore one of the body’s most critical rhythms—light and darkness.

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Use BlueSync in the morning and throughout the day whenever you want a natural boost in energy, focus, mood, and productivity. It can be used during activities such as walking, running, hiking, training, playing sports, or working.

BlueSync can be used indoors, but its effects are strongest in daylight, especially near large windows. Discontinue use in the late afternoon or whenever you want to start winding down for the day. If needed, it can also be used in the late afternoon or evening, keeping in mind this may disrupt your natural sleep cycle.