Fit-Over Blue Light Blocking Glasses (UV400)

These fit-over blue light blocking computer glasses slip comfortably over your prescription or reading frames to help reduce digital eyestrain while preserving natural color and clarity. High‑transmittance, laminated lenses target higher‑energy blue wavelengths (450–470 nm) and provide full UV400 protection. Lightweight, thin construction and a transparent dark green finish make them an easy daily tool for screen-heavy work and evening wind-down.

Key Features

• Fit-over design: Wear directly over most prescription or reading glasses for instant screen comfort.
• Balanced blue-light filtering: Enhanced attenuation in the 450–470 nm range while maintaining color accuracy and high transmittance.
• UV400 protection: Blocks 100% of UVA/UVB for added daytime eye protection.
• Laminated lens construction: Multi-layer lamination for durable, stable performance compared with simple surface coatings.
• Lightweight and thin: Comfortable for extended wear during work, study, or gaming.
• Unisex style: Transparent dark green finish suits a wide range of users.

How It Works

Digital screens emit higher‑energy blue light that can contribute to visual fatigue and glare. These lenses selectively reduce transmission in the 450–470 nm band—often cited as the most visually stressful—while maintaining overall clarity and color fidelity. By balancing filtering with high transmittance, the glasses help ease strain without overly distorting your view.

What’s Included

• Blue Light Blocking Glasses × 1
• Soft Glasses Cloth × 1
• User Manual × 1
• Retail packaging with Soft Microfiber Pouch × 1

How to Use & Care

• Wear over your regular glasses during computer, tablet, or phone use.
• For evening use, consider wearing 1–2 hours before bedtime to limit higher‑energy blue exposure.
• Clean with the included microfiber cloth; for deeper cleaning use mild soap and water. Avoid alcohol or harsh solvents.
• Store in the pouch to prevent scratches.

Specifications

• Blue‑light focus range: 450–470 nm
• UV protection: UV400 (100% UVA/UVB)
• Lens technology: Multi‑layer laminated blue‑light filter
• Optical properties: High transmittance, low color aberration
• Design: Fit-over, unisex; color: Transparent Dark Green

Why it's important for longevity?

Small, sustainable habits that protect vision and sleep can compound over time to support better long‑term health. Today’s work and home environments are dominated by bright, blue‑weighted LEDs and screens that can increase visual fatigue and glare. Chronic eyestrain can lead to discomfort that shortens focus time and discourages healthy routines like reading, learning, or thoughtful wind‑down in the evening. By selectively filtering higher‑energy blue light while keeping overall brightness and color fidelity, these glasses help you stay comfortable at the computer longer without sacrificing visual clarity.

Evening light exposure also matters for circadian timing—the internal clock that influences sleep quality, metabolism, mood, and daytime alertness. Limiting higher‑energy blue light in the hours before bed can help reduce the alerting signal that delays melatonin onset, supporting an easier transition to sleep and more consistent sleep schedules. Over months and years, better sleep regularity is associated with improved cognitive performance, emotional resilience, and cardiometabolic markers.

Finally, full UV400 protection adds daytime value by blocking ultraviolet radiation, an environmental stressor for the eyes. A lightweight, fit‑over format increases adherence because it works with the glasses you already wear, reducing friction and making it more likely you’ll use them daily. Consistent, low‑effort tools like this can help stabilize the routines—focused work, evening wind‑down, and regular sleep—that underpin long‑term wellbeing.

Frequently Asked Questions

• Will these fit over my glasses? They are designed to fit over most standard prescription and reading frames. If you wear oversized or very wide fashion frames, fit may be snug.
• Do the lenses distort colors? The filter emphasizes the 450–470 nm range while maintaining high transmittance, resulting in low color shift for everyday tasks.
• What does UV400 mean? UV400 blocks 100% of UVA and UVB light up to 400 nm for added daytime protection.
• Are they suitable for night driving? Not recommended. Blue‑light filters can reduce overall light and alter color perception, which may affect visibility at night.
• How should I clean and store them? Use the microfiber cloth and mild soap with water if needed. Avoid alcohol-based cleaners and store in the included pouch to prevent scratches.