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Flowglasses Night Sync 03 - Álvaro Edition
Light Filtering GlassesBestseller
129 GBP
Bestseller
Flowglasses Day Sync 03 - Morata Edition
129 GBP
Engineered daytime light-filtering glasses managing 400 to 450 nm blue light to reduce screen strain and support focus without dulling alertness.
Variants
- Night Sync 03 - Álvaro Edition
129 GBP
- Day Sync 03 - Morata Edition
129 GBP
- Flowglasses Day & Night Sync Kit 03
258 GBP208 GBP
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In Stock. 1-4 days. Free delivery.
100-day money-back guarantee
2-year warranty
Benefits
- Reduces evening blue light load to support natural melatonin rise
- Supports circadian rhythm balance to smooth sleep onset
- Reduces digital eye strain during evening screen exposure to ease ocular fatigue
- Supports parasympathetic activation before rest to help downregulation
- Improves recovery quality through optimised sleep preparation
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BLUE LIGHT FILTRATION
Indoor environments and screen use expose the eyes to intense artificial light throughout the day, particularly short wavelengths from LEDs and displays. This spectral load elevates alertness signals and pushes the body’s timing later, making it harder to unwind as evening approaches. Flowglasses Day Sync 03 – Álvaro Edition exists to regulate this exposure. It filters the wavelengths that disrupt circadian balance while keeping daytime vision clear and functional.
The specialised lenses selectively filter light in the 400–500 nanometre range, the band most responsible for visual scatter and alertness signalling. By blocking these peaks during active hours, the eyes receive a cleaner, more controlled input that reduces glare and stabilises contrast without distorting colour perception. The visual system works with less strain across changing indoor conditions, maintaining focus and productivity without driving the stress response.
The result is steadier visual comfort and a more reliable daily rhythm. Evening melatonin rise is preserved, helping the body transition towards rest at the right time. The lightweight frame construction keeps pressure low for extended wear, making consistent protection practical across work, travel and training. Day Sync 03 integrates spectral filtration into a simple routine, aligning light intake with the body’s internal timing so recovery remains dependable after demanding days.
CIRCADIAN RESPONSE
When blue-rich indoor lighting and screen exposure remain high through the day, the brain’s timing centre continues to receive strong alertness signals. Melatonin stays suppressed beyond the appropriate window, autonomic balance leans towards sympathetic activation, and the visual system works under sustained load. This disrupts the natural progression towards evening recovery. Attention becomes less efficient, eye muscles hold protective tension, and the transition into rest is delayed.
Flowglasses Day Sync 03 – Álvaro Edition regulates this input with targeted filtration. The lenses reduce high-energy blue wavelengths while preserving natural brightness and colour accuracy. Retinal photoreceptors receive a balanced signal: enough light for focus, less overstimulation from screens and LEDs. The nervous system maintains functional alertness without excessive strain. The circadian clock keeps its trajectory towards an evening rise in melatonin, so daytime work does not push recovery later.
The 03 design anchors this response with uniform coverage across the visual field and a lightweight frame for extended wear. Consistent filtration moderates glare and flicker, easing accommodative effort and reducing unnecessary ciliary and extraocular muscle tension. Across late afternoon, this stability supports a smooth shift from concentration to rest. Sleep onset follows a more stable schedule, and overnight recovery proceeds with fewer interruptions, strengthening the daily rhythm that underpins long-term health and performance.
VISUAL RECOVERY AND STRAIN REDUCTION
Prolonged exposure to artificial light, particularly in the hours before sleep, places sustained demand on the visual system. The eyes’ intrinsic muscles work continuously to focus and adjust, while retinal cells absorb high‑energy wavelengths that contribute to oxidative stress. Over time, this accumulated strain can lead to discomfort, reduced visual clarity, and disrupted recovery cycles. When the eyes remain overstimulated late into the evening, the entire nervous system struggles to downregulate, delaying the transition into rest.
Flowglasses Day Sync 03 - Álvaro Edition was designed to reduce this load by selectively filtering the wavelengths that interfere with evening recovery. The lens coating blocks high‑energy blue light up to 500 nm while maintaining visual clarity and colour perception. This filtering reduces the intensity of stimulation reaching the retina, allowing the visual system to operate with less effort. As input is modulated, the muscles governing focus and pupil response experience less tension, supporting gradual deactivation.
The result is a measurable reduction in visual fatigue and a smoother transition towards rest. By protecting the eyes from overstimulation, the glasses create conditions that support the body’s natural shift into recovery mode. This foundational relief contributes to better sleep preparation, improved visual comfort, and a more resilient nervous system equipped to manage daily demands with greater ease.
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UNIFORM 400–450 NM CONTROL
Calibrated optics attenuate high‑energy blue evenly across the lens. Balanced transmission and a low‑reflectance coating cut LED glare and limit reflections.
UNIFORM 400–450 NM CONTROL
Calibrated optics attenuate high‑energy blue evenly across the lens. Balanced transmission and a low‑reflectance coating cut LED glare and limit reflections.
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What people say
"Used a handful of times — genuinely comfortable in front of the computer screen. When you take them off you realize just how much strain your eyes have been under." - Jonas
What people say
The Consumer
"Used a handful of times — genuinely comfortable in front of the computer screen. When you take them off you realize just how much strain your eyes have been under." - Jonas
Álvaro Morata
"The yellow ones give you positive energy. They can make a gray day feel like a sunny one." - Álvaro Morata
