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Visio Optical - Displaying items by tag: Crizal

A constant search for improvement

The first Essilor treatments appeared in 1967 on mineral lenses.

In 1992, the launch of Crizal revolutionized the universe of treatments on organic lenses, providing a genuine efficiency against scratches and smudges.

Since then, the Crizal range is constantly evolving thanks to the most recent advanced technologies. Our aim is to satisfy the first need of wearers: clarity of vision.

Innovation

Crizal coatings are based on advanced technologies developed to counter the enemies of clear vision. These technologies are perfectly integrated and specifically optimized for ophthalmic applications. Even when combined, they ensure a compact, uniform and durable coating, hairline thin.

The following technologies have revolutionized Crizal lenses:

  • the Scratch Resistance Booster reinforces resistance to scratches
  • the HSD Process (High Surface Density) improves smudge resistance
  • i-Technology enables dust repellence
  • Slide-Fx ensures that water droplets slide off the lens.

1.Glare Reduction Efficiency

Crizal lenses are made up of a series of thin mineral layers that prevent light interference on the surface of the lens, thus eliminating glare..

2.Smudge Resistance Efficiency

The HSD Process optimizes the density of hydrophobic and oleophobic molecules on the surface of the lens. Water and smudges are better repelled and the lens is easier to clean, when required.*High Surface Density Process.

3. Scratch Resistance Efficiency

The introduction of an extra thin layer called the SR Booster (Scratch Resistance) optimizes interaction among the different treatment layers, and boosts, or strengthens, the whole stack. It considerably increases scratch resistance.

4. Dust Repellence Efficiency

The introduction of an extra thin layer called the SR Booster (Scratch Resistance) optimizes interaction among the different treatment layers, and boosts, or strengthens, the whole stack. It considerably increases scratch resistance.

5. Water Repellence Efficiency

The introduction of an extra thin layer called the SR Booster (Scratch Resistance) optimizes interaction among the different treatment layers, and boosts, or strengthens, the whole stack. It considerably increases scratch resistance.

The 5 Enemies of Clear Vision

The 5 Enemies of Clear Vision

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UV protection

UV rays damage your skin but also your eyes...

...Protect them - all year long.

  • UV rays are invisible and painless, but harmful all year long.
  • Everyone is exposed to UV light
  • No amount of Ultraviolet is good for eye health.
  • 40% of UV light reaches us when we are not in full sunlight!

Day after day UV rays damage your skin…

  • Ultraviolet rays accelerate skin aging and appearance of wrinkles.
  • A recognized cause of skin cancers, particularly damaging the eye periphery.
  • 90% of skin cancers occur on the face and neck, with 5 to 10% on the eyelids!

...but also your Eyes!

  • Ultraviolet rays have a direct and cumulative impact on your eyes.
  • Accelerate eye aging, and appearance of cataracts cause long-term reversible and irreversible damages to your vision.

In terms of UV protection, all clear lenses are not equal. Essilor created the Eye-Sun Protection Factor, to help you choose the right protection for your eyes.

Proven Benefits

Clear and Comfortable Vision

Scratches and smudges reduce visual acuity

Scratches and smudges are more than a cosmetic distraction; they actually decrease the visual acuity of the eyeglass wearer. Premium anti-reflective lenses with better scratch protection help ensure maximum visual acuity.

Crizal Forte lenses and leading competitor anti-reflective lenses were subjected to the same abrasion test. In a standard eye test, the superior scratch resistance of Crizal Forte lenses improved visual acuity up to one line, versus the competitor no-glare lens used for comparison.

Crizal lenses improve contrast sensitivity

A clinical study shows that a Crizal lens improves contrast perception by 20%(1), versus an ordinary lens with no anti-reflective coating. This translates to greater visual comfort, especially for the wearer who works on a computer, or under fluorescent lighting.

Crizal is shown to improve eyeglass wearers’ perceived contrast threshold up to five times(1) in a simulated night driving situation combining dim light and bright glare from oncoming headlights.

(1) Clinical study published by a Canadian University in 2001.

Night Driving

Crizal makes night driving safer

Compared to ordinary non-antireflective lenses, Crizal lenses provide up to 5 seconds faster(2) recovery to full vision capacity, after experiencing glare from oncoming headlights while driving at night.

5 seconds = 70 meters at a speed of 50 km per hour!

Crizal makes night driving more comfortable

In real-life testing organized by an independent third party organization(3), 91% of all participants positively evaluated the benefits of Crizal anti-reflective coatings for night driving, and 70 % stated that they felt safer driving at night with anti-reflective coated lenses. Their most common remarks were that they were “more comfortable” on the road at night, and “less disturbed by headlights”, thanks to the Crizal treated lenses used in the test.

Try Crizal coatings, you’ll see the difference, even after sundown!

(2) Clinical study published by a Canadian University in 2001

(3) Study conducted in a College of Optometry in USA - 2005

Computer Eyestrain

Crizal lenses reduce Computer eyestrain

The computer is now a constant of everyday life. You may be one of the millions of people who work, play, and surf the Net, spending long hours in front of a computer screen. And you may also suffer from eyestrain and headaches, like 60% of intensive computer users.

By eliminating glare and heightening contrast, Crizal lenses make all those hours much less of a strain on your eyes. In an independent clinical study(4) conducted among wearers who expressed a preference, up to 90% chose a Crizal lens for greater screen comfort.

That’s great news for you, but also for also for children who spend hours in front of the screen or who have sensitive eyes.

(4) Study conducted in a College of Optometry in USA - 2005

Perception Tests

According to wearers...

Essilor is the first optical lens company to use perception tests. Also called sensory tests, they are part of a scientific discipline that calls upon the five senses to assess the product quality. These tests make it possible to validate the correlation of scientific data from Essilor R&D and the perception of eyeglass wearers.

The tests are also used to compare the performances of Crizal products and those of its competitors. Here are a few results:

  •     Wearers voted Crizal Forte as the cleanest, easiest to clean, most transparent, and least dust-attracting lens on the market(1)
  •     Wearers also declare Crizal Forte provides the best resistance to scratches vs the market’s top competitors(2).

(1) Sensory tests among 160 eyeglass wearers. Impressions drawn after cleaning lenses (soiled with artificial sebum) with a tissue.

(2) Sensory test conducted among 100 eyeglass wearers in May 2008: Letter sharpness evaluated through a scratched lens, using the Bayer ISTM method.

Published in Lenses

Essilor Crizal Anti-Reflective Lenses are recommended for all ages and provide all the benefits below.

  • See Better: Anti-Reflective lenses mean safer, more comfortable nighttime driving by reducing glare from headlights, taillights and street lights.
  • Look Better: Anti-Reflective lenses are clean, clear, and glare-free so they’re virtually invisible to those around you. People see you instead of your glasses.
  • Feel Better: Anti-Reflective lenses mean fewer headaches and less eye fatigue caused by reflections from computer screens and daytime lights.

 

Essilor Crizal Anti-Reflective lenses provide you with clearer vision by reducing: glare, scratches, smudge, dust and water. Ask your eyecare professional today about Anti-Reflective lenses and their benefits to you.

 

So Safe, So Clear

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Created using exclusive and cutting-edge technologies, advanced Crizal lenses are the result of Essilor’s ongoing research to provide eyeglass wearers with the clearest vision possible. Worn and trusted by over 260 million people all over the world, Crizal lenses are unlike any other pair you’ve experienced because now you can enjoy:

UV Protection

Crizal UV lenses are the most advanced anti-reflective lens providing front & back protection against Ultraviolet rays giving you perfect clarity of vision.

Optimal Vision Comfort

Crizal lenses not only cut out reflections and eye fatigue, but are also virtually invisible for a much more flattering appearance

Premium Scratch Resistance

Crizal lenses mean enhanced durability to withstand daily wear for enduring clarity of vision

Easier Lens Cleaning

Crizal lenses are always clear and spotless as fingerprints and dirt are easily removed using just a cleaning cloth

Unique Water Repellence

Crizal lenses remain distortion-free as water droplets quickly slide off the surface without leaving a trace

Virtually Dust-free Lenses

Crizal lenses are anti-static so dust particles are not attracted to the surface of the lenses

More than 260 million Crizal-treated lenses have been sold worldwide since the product was launched in 1992. In fact, the satisfaction rate of the latest generation of Crizal lenses was above 90%.

Why not join the ranks? Choose Crizal to live life in the clear!

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Published in Lenses