Patented Blue Light Technology to Eliminate Eye Strain – GUNNAR

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20 YEARS OF DIGITAL EYE STRAIN REDUCTION

GUNNAR set out to solve a problem. We pioneered and patented the optics behind digital eye strain relief. With almost two decades as the market leader, we’re not done innovating.

MAJOR CAUSES OF DIGITAL EYE STRAIN

Intense computer use reduces blink rate up to 60% exposing sensitive corneal tissue to damage

Extended near-distance viewing fatigues eye muscles that flex to create near distance focus

High energy blue light strains visual systems and and affect circadian rhythms and sleep

Reflections, glare, and unwanted light sources create visual conflicts with the screen

BEYOND BLUE LIGHT PROTECTION

USE GUNNAR PATENTED TECHNOLOGY TO ADDRESS ALL MAJOR CAUSES OF DIGITAL EYE STRAIN

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Prevent Dry Eyes: GUNNAR patented high wrap lenses trap in humidity and block out drying air currents. The technology keeps eyes comfortably protected with an ideal ocular microclimate.

LEARN MORE ABOUT DRY EYES

Reduce Muscular Eye Strain: GUNNAR provides optimized focusing power in most lenses to let your eyes relax. Choose the right focusing power for your needs.

LEARN MORE ABOUT MUSCULAR EYE STRAIN

Block Blue Light: GUNNAR carefully filters the light spectrum to eliminate high energy spikes and cut blue light. The GUNNAR BLUE LIGHT FILTER ® (GBLF) rating tells you exactly the percentage of blue light blocked. Choose the right tint for your needs.

LEARN MORE ABOUT BLUE LIGHT

Limit Glare: GUNNAR GSHIELD® coatings come with a variety of performance levels to eliminate glare, reflections and visual noises as fingerprints or water spots.

LEARN MORE ABOUT GLARE

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COMBAT DRY EYES

COMPUTER USE SLOWS BLINK RATE

Dry Eye is the number one symptom of digital eye fatigue. Extended computer use slows the blink rate and leaves delicate eye issues exposed to drying air currents.

KEEP MOISTURE CLOSE AND AIR CURRENTS OUT

Properly fitted GUNNAR eyewear has been shown to double the relative humidity of the eye pocket. Choose a frame that fits your face well. For extreme dry eye relief, consider our Tallac style with patented side shields that offer extra protection.

Post LASIK? One of the most common side effects of corrective eye surgery is dry eye. Protect your investments and use GUNNAR eyewear while looking at screens.

REDUCE MUSCULAR EYE STRAIN

LET THE LENSES DO THE WORK

Extraocular and intraocular ciliary eye muscles work in tandem to put your screen in focus. Long sessions without breaks can overwork those eye muscles. GUNNAR patented lenses provide focusing power that allow the eye muscles to relax during extended digital screen time.

0.2 GUNNAR FOCUS

Our most popular option: A slight focusing power to relax eye muscles. Good for anyone with 20/20 vision (including contact wearers or post-LASIK patients).

Shop Gunnar Focus

+1.0 TO +3.0 READING

GUNNAR patented technology in preset Computer Reader powers.

Shop Readers

0.0 NEUTRAL FOCUS

No focusing power. Good for developing eyes (youth) or slight myopes (negative prescriptions) and distance viewing outdoors.

Shop Neutral Focus

RX PRESCRIPTION

Visit our Prescription page and learn about lens types and insurance coverage options.

LEARN MORE ABOUT PRESCRIPTION

VISUAL ERGONOMICS

Eye focus affects your entire posture. People with myopic tendencies may compensate by leaning in to get closer to the screen. Presbyopic or hyperopic people may lean back or try to get more distance from the screen. We recommend a focusing power that promotes a neutral posture.

For a custom prescription, measure the distance from your screen to your eyes before you visit a doctor.

FILTER THE SPECTRUM

BLOCK BLUE LIGHT

More than two decades ago, GUNNAR patented the optimal light transmission curve to offset high peaks of energy emitted from artificially backlit screens.

We offer a variety of tints and are proud to publish the GBLF rating for each.*

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AMBER

Blue Blocking:

Color Rendition:

Contrast:

Our Most Popular Lens

Blocks 65% of blue light at 450nm

Uses: all purpose computer work, reading, data entry

SHOP AMBER

CLEAR PRO

Blue Blocking:

Color Rendition:

Contrast:

For those in the graphic arts and other that need perfect color

Blocks 20% of blue light at 450nm

Uses: photo and video editing, graphic design, creative professionals, certain science applications

SHOP CLEAR Pro

CLEAR

Blue Blocking:

Color Rendition:

Contrast:

For those who prefer less tint

Blocks 35% of blue light at 450nm

Uses: office work, photo and video editing, graphic design

SHOP CLEAR

AMBER MAX

Blue Blocking:

Color Rendition:

Contrast:

For extreme photosensitivity and sleep control

Blocks 98% of blue light at 450nm

Uses: sleep improvement, migraine management, post concussion treatment

SHOP AMBER MAX

SUN

Blue Blocking:

Color Rendition:

Contrast:

For outdoor digital device viewing

Blocks 90% of blue light at 450nm

Uses: automotive, aerospace or sea navigation, outdoor sports with digital performance monitors, digital work in outdoor environments.

SHOP SUN

*GBLF rating is the percentage of light blocked at 450nm (i.e. blue peak). A higher number represents a higher percentage of blue light blocked.

REDUCE GLARE AND VISUAL NOISE

THE BEST LENSES HAVE THE BEST COATINGS: GUNNAR GSHIELD COATINGS

PROBLEM

SOLUTION

G-SHIELD COATINGS COME IN A VARIETY OF PERFORMANCE LEVELS (DEPENDING ON PRICE)

LEARN ABOUT PERFORMANCE LEVELS

INCREASE CONTRAST

The human retina has almost no blue light receptors in the fovea centralis (the sensitive part used for central vision) while digital screens emit a proportionally larger amount of blue light than other colors. GUNNAR’s patented lens tint filters light into a mixture that the eye perceives more comfortably. The end result: higher perceived contrast and a screen that appears sharp and crisp.

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CLINICALLY TESTED, DOCTOR RECOMMENDED

“Many individuals experience eye discomfort and vision problems when viewing digital screens for extended periods. The level of discomfort appears to increase with the amount of digital screen use. The average American worker spends seven hours a day on the computer either in the office or working from home.” American Optometric Association

Doctor's Guide to Eye Health from GUNNAR Optiks on Vimeo

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“GUNNAR’s patented lens technology is designed to address the symptoms of digital eye strain. Their experience since 2006, and constant innovation on the latest research, is what sets them apart. I recommend GUNNAR gaming and computer glasses to all of my patients!”

Miki Lyn Zilnicki, O.D., F.C.O.V.D

PROVEN RESULTS

In a study done at three independent doctor locations with over 100 test subjects, 96% of respondents reported an easing of digital eye strain symptoms when using GUNNAR over a six week period.

OPTICS MATTER

DON’T COMPROMISE WITH YOUR EYES

Don’t risk your vision on inferior brands. You may be doing more harm than good with your eyes. GUNNAR pioneered and patented the optics behind digital eye strain relief.

Gunnar Promises

OTHERS

Low quality eyewear can hurt your eyes and cause headaches, eyestrain and long-term repetitive stress injuries. Trust the original, proven market leader with 20 years of optical research and patented technology: GUNNAR

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FAQs

What is GUNNAR's patented blue light technology?

GUNNAR patented an optical system in 2006 designed to address digital eye strain from extended screen use. Instead of filtering blue light alone, it combines four elements: a high-wrap frame and lens design that traps humidity around the eye, a slight lens focusing power that relaxes eye muscles, a tinted lens that filters high-energy blue light, and an anti-reflective/anti-smudge coating (GSHIELD) that cuts glare and visual noise.

What causes digital eye strain?

Four things: dry eye, because intense screen use can cut blink rate by up to 60%, exposing the eye surface; muscular eye strain, from the ciliary muscles overworking to hold near-distance focus; high-energy blue light, which strains the visual system and can disrupt circadian rhythm and sleep; and glare or visual noise from reflections and unwanted light sources competing with the screen.

How do GUNNAR glasses help with dry eyes?

GUNNAR's patented high-wrap lens and frame design traps humidity around the eye and blocks drying air currents, creating a more comfortable ocular microclimate. Properly fitted GUNNAR eyewear has been shown to double the relative humidity in the eye pocket.

Are GUNNAR glasses good for people who've had LASIK surgery?

Yes. Dry eye is one of the most common side effects of LASIK and other corrective eye surgery. GUNNAR recommends wearing its eyewear during screen time to help protect post-surgery eye moisture.

Which GUNNAR frame is best for severe dry eye?

The Tallac style, which has patented side shields for extra protection against drying air currents, is recommended for extreme dry eye relief.

How do GUNNAR lenses reduce eye strain from screens?

Long screen sessions overwork the ciliary eye muscles that flex to keep near-distance objects in focus. GUNNAR's patented lenses add a slight focusing power that shares that workload, letting the eye muscles relax during extended digital use.

What focusing powers do GUNNAR lenses come in, and which one is right for me?

0.2 GUNNAR Focus (most popular) — mild focusing power, suited to people with 20/20 vision, contact lens wearers, or post-LASIK patients.

+1.0 to +3.0 Reading — preset computer reader powers.

0.0 Neutral Focus — no added power; suited to younger, developing eyes, people with mild myopia, or outdoor/distance viewing.

RX Prescription — full prescription lenses, with lens types and insurance coverage detailed on GUNNAR's Prescription page.

What is visual ergonomics and why does it matter when choosing eyewear?

Eye focus affects posture: people with myopia tend to lean toward the screen, while people with presbyopia or hyperopia lean back. GUNNAR recommends a focusing power that supports a neutral, comfortable posture, and suggests measuring your screen distance before an eye exam to help guide a custom prescription.

How much blue light do GUNNAR lenses block?

It depends on the tint. GUNNAR publishes a GBLF (GUNNAR Blue Light Filter) rating for each lens, showing the percentage of blue light blocked at the 450nm peak: Clear Pro blocks 20%, Clear blocks 35%, Amber blocks 65% (the best-selling tint), Sun blocks 90%, and Amber Max blocks 98%.

What is a GBLF rating?

GBLF stands for GUNNAR Blue Light Filter — a published rating showing the percentage of blue light blocked at 450nm, the wavelength of peak high-energy blue light emitted by digital screens. A higher GBLF percentage means more blue light is filtered.

Which GUNNAR lens tint should I choose?

Amber suits all-purpose computer work, reading, and data entry, and is the most popular option.

Clear Pro is for color-critical work like photo/video editing, graphic design, and certain scientific applications.

Clear offers a lighter tint for general office work.

Sun is built for outdoor digital device use, including automotive, aerospace, marine navigation, and outdoor sports with digital monitors.

Amber Max is for extreme light sensitivity, sleep improvement, migraine management, or post-concussion care.

Why does blue light matter for screen use?

The human retina has almost no blue light receptors in the fovea, the area used for detailed central vision, yet digital screens emit a disproportionate share of blue light. GUNNAR's patented tint filters this light into a mix the eye perceives more comfortably, which also increases perceived contrast and makes the screen appear sharper.

How do GUNNAR glasses reduce glare, smudges, and scratches?

GUNNAR's GSHIELD lens coatings combine four treatments: an anti-reflective coating that reduces glare and reflections, a hard coat for scratch resistance, an oleophobic coating that repels fingerprints and oils, and a hydrophobic coating that repels water spots. Coating performance varies by product tier and price point.

Is GUNNAR technology backed by research or doctors?

Yes. In an independent study conducted at three doctors' offices with over 100 test subjects, 96% of participants reported reduced digital eye strain symptoms after wearing GUNNAR glasses for six weeks. The American Optometric Association notes that digital eye discomfort tends to increase with screen time, and optometrists such as Dr. Miki Lyn Zilnicki recommend GUNNAR to their patients.

What makes GUNNAR different from other blue light glasses?

GUNNAR publishes its optical testing data, including GBLF ratings and spectrum analysis, uses patented taper-corrected lenses for proper optics, wraps lenses and frames to prevent dryness, and is backed by 20 years of doctor-supported research. By contrast, GUNNAR notes that many generic blue light glasses have unpublished or missing optical data, unsubstantiated claims, and unknown manufacturing quality.

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