The Science
Why Light Management Is a Wellness Service
Light is the primary driver of circadian rhythm — the body's master clock governing sleep, hormone production, metabolism, and immune function. The modern spa environment, full of screens and LED lighting, is often inadvertently working against the guest's biology.
Daytime Blue Light
Modern spas use screens, devices, and LED lighting — all heavy in high-energy blue wavelengths. Chronic exposure suppresses melatonin and disrupts the natural cortisol curve, leaving guests and staff with compromised sleep even in a wellness environment.
Post-Sunset Spectrum
After dark, even low-level blue and green light tells the brain it's still afternoon. Ra Optics night lenses block the complete 400–570nm window — the clinically validated cutoff for melatonin protection — restoring natural sleep onset.
Precision Filtering
Ra Optics lenses are spectrographically verified. Day lenses attenuate harmful blue while preserving color accuracy for work. Night lenses use deep amber to block the full melatonin-suppression spectrum without distorting spatial awareness.
Cellular Mitochondrial Health
Photobiomodulation research shows that specific red and infrared wavelengths stimulate mitochondrial cytochrome c oxidase — increasing ATP production. Ra Optics lenses preserve these beneficial wavelengths while eliminating the harmful ones.
The Collections
Three Lenses. One Science.
Screen & Indoor Light Protection
Ra Optics Daylight
Precision-ground lenses with selective blue-light filtration. Blocks 99% of wavelengths below 450nm while maintaining true color rendering — designed for professionals who need clarity at screens all day.
- Selective filtration: 400–450nm blocked, color accuracy preserved
- Anti-reflective, anti-fog, scratch-resistant coating
- Lightweight TR-90 nylon frame — all-day wearable
- Multiple frame styles: round, square, cat-eye
Maximum Evening Light Protection
Ra Optics Sunset
Full-spectrum amber lenses that block all blue and green light below 570nm. Clinically validated to protect melatonin production when worn 2 hours before desired sleep time.
- Blocks 100% of melatonin-disrupting 400–570nm spectrum
- Deep amber lens — the only clinically proven color range
- Approved for sleep optimization and circadian reset programs
- Ideal for spa wellness retail and staff evening protocols
The Hybrid Day/Night Solution
Ra Optics Bluesync
A transitional lens engineered for operators who want one SKU that works across environments. Moderate filtration for screen work; deep enough blocking for relaxed evenings. The spa retail bestseller.
- Balanced 450–500nm filtering for all-day versatility
- Pairs with spa sleep menus and circadian wellness programs
- Unisex styling — broad appeal at the retail counter
- STI exclusive: packaged with wellness education card
Spa Retail
The STI Ra Optics Retail Advantage
Ra Optics retails $89–$185 per pair. Spa wholesale through STI delivers margins that make front-desk and gift shop placement genuinely profitable.
Wholesale pricing through STI distribution — better margins than direct
Turnkey retail display kit: counter stand, frame testers, education cards
Staff training module included — sell with confidence and clinical language
Complements any circadian, sleep, or biohacking wellness menu
No minimum order on initial setup with qualifying STI account
Property Integration
Four Ways Ra Optics Lives on Your Property
Staff Wellness Integration
Equip your spa team with Daylight lenses during shift — especially therapists and reception staff on screens. Demonstrable wellbeing investment that reduces turnover.
Sleep Protocol Package
Pair Sunset lenses with a branded sleep kit (STI-Circadian). Bundle for in-suite retail at $150–$180. High perceived value, strong ADR lift.
Guest Loaner Program
Keep 4–6 Daylight pairs as complimentary guest loaners during treatments or media screening rooms. Sets your property apart as a true wellness destination.
Circadian Room Service
Feature Sunset lenses in a turn-down amenity program. Place in-room with a circadian wind-down card co-branded with Ra Optics and STI Certified.
Add Ra Optics to Your STI Wholesale Account
Existing STI accounts can add Ra Optics to their catalog with no additional setup. New properties — contact us for a complimentary spa retail assessment and wholesale pricing package.