Tempest Daylight - Mountain Forest
A pair of blue-light filtering eyewear with optical-grade lenses designed for screen and artificial light use during the daytime.
In stock. Next day delivery available.
Healf Zone members get free next day delivery on all orders.
Recommended pairing
People pair Tempest Daylight with Tempest Sunset as using both helps create a full-spectrum light experience that supports natural circadian rhythms, enhancing alertness during the day and promoting relaxation and restful sleep in the evening.
Key Benefits
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Wavelength-specific blue light filtering.
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Optical-grade polycarbonate lenses.
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Colour and lens hue optimisation.
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Italian acetate and steel frame.
Tempest Daylight - Mountain Forest features optical-grade polycarbonate lenses tested to the Ra Superlative™ standard and engineered for daytime use with screens and artificial light. The lenses undergo wavelength-specific blue light testing, short- and long-duration stress tests, and optimisation for colour rendering, visual comfort, and lens hue.
The frame combines Italian Mazzucchelli acetate with German stainless steel, delivering a lightweight and durable construction for all-day wear. Designed for daytime environments, the Daylight lens profile focuses on managing blue light exposure from digital devices and artificial lighting while maintaining visual clarity and comfort. The system aligns with benefits centred on screen protection, visual comfort, and everyday usability in modern, screen-heavy settings.
Size: 48-26-142
Total Width: 122mm
Lens Height: 38mm
What’s Included:
• Protective eyewear case
• Microfibre cleaning cloth
Tempest Daylight - Mountain Forest uses daylight lenses that selectively filter harmful blue light while preserving beneficial wavelengths, addressing the strain caused by modern LED and screen exposure. This approach helps reduce digital eye strain, headaches, and fatigue without blocking light your body still needs during the day. By supporting healthier light input, the lenses help stabilise stress hormones and protect cells from ongoing light-related stress. The result feels more balanced and natural than simply dimming or darkening your view. Energy levels and mental performance stay steadier across long screen sessions.
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.
Wear Daylight lenses during the daytime for protection from screens and artificial light. Use them while working, studying, or spending time indoors under artificial lighting.
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Healf Curation Process™
Every product undergoes our rigorous Healf Curation Process, ensuring you are always getting the best when it comes to your wellbeing.
The Discovery
Expert Validation
Community Testing
The Discovery
Expert Validation