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Crizal Lenses (AR)

Crizal Lenses — AR Coatings

 

State of the Art In-House AR Treatment Facilities by:
Luzerne Optical Laboratories, Ltd.

Crizal Lens Portfolio

Give your patients the very best in optics by providing superior Anti-Reflective treatments by Luzerne Optical.  Help them see better and look better!


 

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Download The Latest Free Form Lens Information:

 

 

 

The Crizal Process:

 

Crizal Lenses - AR Coatings The Crizal Integrated manufacturing process is a multi-step procedure. The Crizal process takes several hours from start to finish and must be applied to the lens before the lens is cut and mounted into the frame. The Crizal process is sophisticated, and utilizing nano-technology, all the layers become integrated into one.

  • The lens is carefully loaded into a stainless steel rack. The surface of the lens is stripped, microscopically cleaned, and chemically activated so the Crizal components can be perfectly matched. Many lenses are compatible with Crizal, however there is a rigorous qualification process. See the Crizal Availability Chart above to see a detailed list

  • Next, a two-sided scratch resistant coating which includes the first layer of flexible polymer matrix is applied. The last layer of the hard coat is a thicker layer and includes more than 50% more silica particles. A thermal process is used to integrate, fuse, and cross link the and hard coating and the substrate

  • In the vacuum chamber, the lens is bombarded with high energy particles using an ion-beam which cleans and activates the lens surface before the application of the AR layers. Depending on the Crizal product, the exact application of AR layers may vary

  • The SR Booster™ Layer is incorporated between the hard coat and AR stack. This significantly increases the scratch resistance of the lens. Still in the chamber, an anti-particulate layer (or anti-static layer) is incorporated into the AR stack to repel dust. This step is applied on our premium lens offerings, such as Crizal Avancé™ lenses with Scotchgard™ Protector

  • The super-hydrophobic top coat is applied utilizing Essilors state of the art High Surface Density (HSD) Process™. This technology increases the contact angle so wearers experience an easy to clean lens

  • The exclusive Pad Control System™ is applied which allows for precise edging, grooving, and drilling. This layer is necessary because the super hydrophobic is so slippery and to protect the lens integrity. Once the lens is edged the Pad Control System can be removed by wiping it with a soft cloth

  • Systematic quality control puts test lenses through stringent test to ensure consistency and accuracy. We regularly test lenses to make sure all Crizal lenses are of the highest of standards

 

Crizal Lenses include:

  • Crizal Easy
  • Crizal Alize
  • Crizal Avance w/ Scotchgard Protector
  • Crizal Sapphire w/ Scotchgard Protector
  • Crizal SunShield

 

Crizal Lenses at Night
 

 

In-House Premium Technology Reference List for Treatments

 

Crizal® AVANCÉ™ with Scotchgard™ Protector plus SR Booster Layer (subtle green)

  • SR Booster Layer is an improved scratch resistance layer that increases durability & visual acuity over time, making it twice as scratch resistant as Crizal Alizé.
  • Easiest to clean AR lenses on the market & stays cleaner longer , even after 20,000 cleanings
  • Combines anti-static technology of Crizal Alize with ClearGuard & the improved protection of Scotchgard Protector to repel dust, dirt, fingerprints, oil and grease

 

Crizal® ALIZÉ™ (subtle green)

  • Unsurpassed cleanability, durability  •  Scratch Resistant, Glare Resistant, Smudge Resistant
  • Eliminates the # 1 patient complaint: annoying cleaning problems
  • Dirt and other contaminants wipe off effortlessly
  • Scratching is reduced because lenses require less cleaning
  • Provides even clearer vision to patients
  • Delivers maximum durability by integrating anti-scratch, anti-reflective and hydrophobic coatings on both sides of the lens.

 

Crizal® AR (subtle green)

  • Scratch Resistant, Glare Resistant, Smudge Resistant
  • Delivers maximum durability by integrating anti-scratch, anti-reflective and hydrophobic coatings on both sides of the lens.

 

Crizal® Sun with Scotchgard™ Protector plus SR Booster Layer

  • A TD2 coating combined with a backside only Avancé with Scotchgard AR.

NOTE: All Crizal AR & Mirror Coatings include a Free Premium Lens Cleaning Cloth & Care Instructions.

 

 

Crizal Lenses with Snow
 

 

Crizal Lens Technical

Comfortable Vision:

 

How does a No-Glare lens Improve Visual Acuity?

No-Glare lenses improve visual acuity up to 2 lines on the Snellen Chart or Big E Chart - for some patients. For a wearer, this can be the difference between seeing with 20/20 vision with No-Glare lenses or up to 20/40 vision with ordinary lenses. This is because premium No-Glare lenses are superior at reducing glare, and resisting scratches, smudges, and dirt and thus allow the wearer to see better, look better, and feel better.

80% of what children learn is through their eyes.

Good vision is an important learning tool for children. Yet, glare from classroom lighting, whiteboards and computers can interfere with a childs learning. No-Glare lenses eliminate visual fatigue and headaches associated with glare so children stay focused on their education.

 

Nighttime Driving:

 

Did you know that wearing No-Glare lenses while driving at night gives you:
  • 20% sharper contrast so a driver can see objects clearly
  • Up to 5 seconds faster recovery time and 30% wider fields of vision for safety

And that is why 70% of wearers prefer No-Glare lenses for comfortable and safer nighttime driving.

As light decreases, so does your ability to differentiate objects and recover from glare. This becomes especially difficult in situations such as night driving. Crizal® No-Glare lenses allow you more opportunity to drive safely by improving contrast, visual acuity, fields of vision and reaction time.

No-Glare lenses allow the wearer to recover up to 5 seconds faster to full vision after being exposed to extreme glare such as headlights. In a study conducted with Highway Patrol troopers, 89% of troopers chose No-Glare lenses over ordinary lenses as their overall preferred lens for glare reduction.

Explanation of contrast sensitivity and visual acuity
  • Contrast sensitivity is special way to measure vision and represents the ability of your eyes to function in low and bright light conditions, as well as how well you can distinguish objects against various background colors. Visual Acuity refers to spatial resolution or the capacity for the patient to see different sized letters.
  • Visual acuity refers to your acuteness or clearness of vision as size of objects (letters) vary. The Snellen Chart, commonly called the Big E chart measures visual acuity.

 

How AR Works:

 

No-Glare lenses, or Anti-Reflective (AR) lenses, work through the concept of wave theory.

Most people know that light travels through space in a wavelike motion. The distance between the crests and troughs of the wave is called the wavelength. Visible light has wavelengths ranging from approximately 380 nanometers (violet light) to 780 nanometers (red light).

No-Glare lenses reduce reflections through a process called destructive interference. Two light waves that are opposing wavelenths will cancel each other. Depending upon the refractive index of the material- and the angle at which light strikes the lens- a certain amount of light will reflect from the lens surface without an anti-reflective coating.

A layer of the anti-reflective coating will create an additional reflection on the lens surface. This secondary reflection is created in opposition to the reflection (destructive interference) resulting in the elimination of the reflection.

 

 

 

Crizal Lenses with Dirt
 

 

Crizal AR FAQs

 

What are Crizal® No-Glare lenses?

Crizal is a No-Glare lens that provides many additional benefits beyond reducing glare, such as ease of cleaning and resisting scratches for the wearer. You can combine a Crizal lens with another type of lens. For example, a Varilux® progressive (or no-line bifocal) lens can come with Crizal plus Transitions, a lens whose color adapts according to light. Crizal is sometimes referred to as a treatment or coating.

 

How do I identify Crizal No-Glare lenses?

Crizal No-Glare lenses should be dispensed with a Crizal Certificate of Authenticity and a Crizal cleaning cloth to ensure receipt of genuine Crizal lenses. If you did not receive both of these items, you should discuss this with your Eyecare Professional. In addition to these items, all No-Glare lenses possess slight reflectant color qualities which assist in identifying the brand. To see this reflective color, take the eyeglasses off and hold them at an angle under a light such that a reflection will appear on the lenses. Crizal lenses have 2 colors: the most common is an aqua hue, but one product has a blue hue.

 

Do Crizal lenses help reduce glare from computer screens?

Yes. Crizal lenses will help eliminate the annoying reflections caused by computer screens and overhead lights that cause eyestrain and fatigue. Crizal lenses will reduce night time glare caused by headlights/taillights for safer and more comfortable driving. In fact, Crizal wearers are three times more satisfied with Crizal No-Glare lens verses regular lens wearers to help eliminate the symptoms associated with extended screen viewing such as tired eyes, watery eyes, blurred vision, and headaches.

 

Are Transitions available with Crizal?

Transitions® lenses are available with Crizal. Please discuss this option with your Eyecare Professional.

 

Does Crizal have UV protection?

There is no UV protection from the Crizal treatment itself; UV protection would be a function of the lens material to which the Crizal treatment is applied. Every lens material offers some UV Protection except plastic and glass. To see the full Crizal Lens Availability,see the top of this page.. Your Eyecare Professional, with the knowledge of what material was used to prepare your lenses, can advise you on the specific UV protection for your current lenses.

 

Are Crizal No-Glare lenses heavier or thicker than regular lenses?

No, the Crizal No-Glare treatment is very thin thinner than a strand of hair! The actual thickness and weight of your glasses is a function of the lens material chosen, your frames, and your prescription.

 

How often should I replace my lenses and have my eyes checked?

Your eyesight and vision are critical to your overall health and well-being. It is recommended that you have your eyes examined once a year. When your prescription expires, consult your Eyecare Professional on the best option for you.

 

Can I get Crizal on sunglasses?

Yes, Crizal has a special technology specifically designed for sunglasses called Crizal SunShield™. You will benefit from sunglasses that are scratch resistant and easier to clean. For the ultimate sun protection solution, always recommend Crizal SunShield with Xperio® Polarized sun lenses

 

 
For more information contact Luzerne Optical Laboratories LTD at 800-233-9637 or on the web at www.LuzerneOptical.com

 
  • Crizal Avance UV

    Crizal Avance UV Lens coating: Crizal Ultra Violet Lens coatings. [more]

  • Crizal Easy

    Crizal Easy Non Glare Lens Coating: Smudge resistance superior to every standard No-Glare lens on the market today. Super-hydrophobic top coat repels oil, water and smudges. 110° contact angle. Essilor’s patented Pad Control System™ layer for precise and  [more]

  • Crizal Kids UV

    Crizal Kids UV Lens coating: Crizal Ultra Violet Lens coatings. [more]

  • Crizal Prevencia

    Crizal Prevencia [more]

  • Crizal Sapphire UV

    Crizal Sapphire UV Lens coating: Crizal Ultra Violet Lens coatings. [more]

  • Crizal SunShield UV

    Crizal SunShield UV Lens coating: Crizal Ultra Violet Lens coatings. [more]

  • OPTIFOG

    Introducing Optifog™ a new breakthrough technology with superior anti-fog properties. In daily activities at home, work and play, fogged lenses can be a real bother for eyeglass wearers. Optifog is a new breakthrough technology with superior anti-fog prop [more]

  • Xperio UV

    Added Benefit for Xperio UV: Xperio UV is designed to protect your patient’s eyes from dangerous UV light coming from the backside of the lens, ensuring their visual health over time.  [more]

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