Nate BlueSync
Delivery within 2 business days
Same working day shipping for orders placed before 12 pm
Local shipping with DHL from our EU warehouse (NL) – no customs fees.
Customer service in English, German, and French
Incl. VAT
Product description
Key Benefits
- Boosts daytime energy and mood.
- Supports focus, clarity, and cognition.
- Enhances sleep depth and recovery.
- Filters harsh light to protect vision.
Start your day with balance and clarity with Nate BlueSync – circadian-enhancing eyewear that improves light exposure, sharpens focus, and supports long-term sleep quality. BlueSync lenses filter harmful light while enhancing the wavelengths your body needs to stay energised and alert, naturally stimulating your internal clock.
Each pair promotes increased daytime performance and evening relaxation, helping regulate energy, cognition, and mood throughout the day. Whether you’re navigating long work hours, jet lag, late nights, or unpredictable schedules, Nate BlueSync supports mental and physical wellbeing by aligning your natural rhythm.
Named after Nathaniel Kleitman, the father of modern sleep research, the Nate frame features square lenses with soft curves in a rich tortoise shell finish. A clear saddle bridge adds structure and elegance, while the wraparound shape offers all-day comfort and coverage. Designed to fit medium face shapes with ease.
Why Ra Optics is Healf
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.
With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.
Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.
Ingredients
Ra Optic's frames are designed with keen attention to detail and handcrafted using the world’s highest quality materials—Italian Acetate and German-Engineered Metal—into a variety of trending and timeless styles. There is a frame for everyone.



























