Sleepaxa Research Hub | Photobiology & Optical Science
How Sleepaxa Earns Optical Lens Patents Where Most Eyewear Brands Don't
By Suraj Dubey — Senior Optometrist, Founder & Head of R&D, Sleepaxa Private Limited · Last updated: July 2026 Disclaimer: Educational content about product development and...
Generic Yellow Tint vs Sleepaxa DayActive: Daytime Screen Glasses
By Suraj Dubey — Senior Optometrist, Founder & Head of R&D, Sleepaxa Private Limited · Last updated: July 2026 Disclaimer: Educational content, not medical advice. DayActive...
FL-41 vs NeuroCalm FLX+: Single-Band vs Dual-Band Migraine Lenses
By Suraj Dubey — Senior Optometrist, Founder & Head of R&D, Sleepaxa Private Limited · Last updated: July 2026 Disclaimer: Educational content, not medical advice. FL-41...
Amber vs Red vs Circadian560 Sleep Glasses: Which to Choose
By Suraj Dubey — Senior Optometrist, Founder & Head of R&D, Sleepaxa Private Limited · Last updated: July 2026 Disclaimer: Educational content, not medical advice. Sleepaxa...
Are Blue Light Glasses a Scam? The Honest Truth (2026)
By Suraj Dubey — Senior Optometrist, Founder & Head of R&D, Sleepaxa Private Limited · Last updated: July 2026 Disclaimer: Educational content only, not medical advice....
Photobiological Eyewear Guide for Optometrists: Clinical Framework 2026
By Suraj Dubey | Senior Optometrist, Founder & Head of R&D, Sleepaxa Private Limited Last updated: April 2026 Disclaimer: This article is for educational and informational...
Best Blue Light Blocking Glasses India 2026: Why Most Fail | Sleepaxa
By Suraj Dubey | Senior Optometrist, Founder & Head of R&D, Sleepaxa Private Limited Last updated: April 2026 Disclaimer: This article is for educational and informational...
Light Sensitivity Epidemic India: 5 Factors Why 170 Million Indians Suffer | Published Research | Sleepaxa
By Suraj Dubey | Senior Optometrist, Founder & Head of R&D, Sleepaxa Private Limited India is in the middle of a light sensitivity epidemic. And most...
Photophobia in Migraine: Why Light Hurts 170 Million Indians | Published Research & FL-41 Solution | Sleepaxa
By Suraj Dubey | Senior Optometrist, Founder & Head of R&D, Sleepaxa Private Limited If you have migraines, you know this feeling: the office lights feel...
Why Blocking Blue Light Isn't Enough for Migraines | Sleepaxa
By Suraj Dubey | Senior Optometrist | Founder & Head of R&D, Sleepaxa Private LimitedPatent Holder: IN 587746 | ORCID: 0009-0003-7510-9254 For 30 years, FL-41 lenses...
The Hidden Light Sensors in Your Eyes That Control Migraines, Sleep, and Mood - What Science Discovered in 2002
This article is based on our published research: Dubey S, Chaudhry M (2026). Intrinsically Photosensitive Retinal Ganglion Cells (ipRGCs): Subtypes, Signalling Pathways, and Implications for Photobiological...
Why Your Phone Wrecks Your Sleep — And the Simple Fix Most People Don't Know About
You've heard it a hundred times: "Don't use your phone before bed." But has anyone actually explained why? Not vaguely but the exact biological mechanism that...












