Spectra479 - Fit Over 99.9% Blue Light Blocking Glasses for Sleep - Amber Nighttime Eyewear - Turn your Prescription & Reading Glasses Into World-Class Blue Blockers

描述

🌙 Sleep smarter, perform stronger — block blue light like a boss!

Spectra479 Fit Over Blue Light Blocking Glasses are engineered to block over 99.9% of harmful blue light in the 450-510nm range, the most disruptive wavelength for sleep. Designed to fit comfortably over prescription or reading glasses, their bright amber lenses preserve natural vision and social interaction. Trusted by top performers, these glasses create a ‘virtual darkness’ environment that supports rapid sleep onset and healthier circadian rhythms, making them an essential tool for anyone serious about optimizing nighttime screen use and sleep quality.