Essilor Digital HD Progressive Transitions Generation 8 Plastic CR-39 Lenses

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It is likely that more than your choice of frames, the lenses you select for your eyeglasses will determine how happy you are with your glasses. Buying eyeglass lenses isn't a simple task. In fact, during a recent issue, Consumer Reports magazine said "There are so many choices for lenses and coatings, it's easy to be confused about what's worth buying."

Here's a little guide to help you choose the most ideal lens material according to your prescription and lifestyle. The eyeglass lenses you select influence four factors: appearance, comfort, vision and safety.

A common mistake people often make when buying eyeglasses isn't spending enough time considering their choices of eyeglass lens materials, designs and coatings.

Lens Materials, their differences and advantages

No matter your type of prescription — single vision lenses to correct nearsightedness, farsightedness, and/or astigmatism, or progressive lenses, bifocals or other multifocal lenses to also correct presbyopia — the choice of lens material depends on the power of your lenses.

Depending on their composition and thickness, there are 4 kinds of lens materials:

• CR-39 Plastic
• Polycabonate
• 1.67 High-Index
• 1.74 High-Index

All lenses, regardless of the material, have a tendency to reflect light. Anti-reflective coatings, also called "AR coating" or "anti-glare coating" reduces these reflections allowing more light to pass through. This minimizes distractions, prevents strain on the eyes and improves vision.

While regular plastic lenses reflect about 8 percent of the light hitting the lenses, high-index plastic lenses can reflect up to 50 percent more as compared to plastic lenses. This causes more strain on the eye, especially in low-light conditions. With the latest revolutions in technology, AR coatings reduce reflections to about 0.5 percent, allowing 99.5 percent light to pass through.

It also reduces glare for tinted polarized lenses. Anti-reflective coatings improve clarity and light-sensitivity of transition lenses.

Benefits of Anti-Reflective Coating:

1. Gives a very clear look to the lenses and makes your eyes and expressions more visible, even in low-light conditions. Clear also glasses look more attractive making you look your best in all lighting.
2. Reduces strain on the eyes.
3. It reduces the halo around lights at night making it easier to drive at night.
4. It reduces glare giving you sharper, clearer vision.
5. Premium AR coatings are also smudge-free, scratch resistant and water-resistant.

You can choose from a variety of AR coatings that we offer:

Standard Anti-reflective Coating
Premium Anti-reflective Coating
Crizal Alizé UV Anti-reflective Coating
Crizal Avancé UV Anti-reflective Coating

Worried about the harmful blue-light? Learn more about the revolutionary blue-blocking technology with Premium Blue-Blocker lenses and Crizal Prevencia lenses.

We make sure you have complete peace of mind when ordering lenses for your frames. If for any reason, there is a mistake with your order we'll remake it at no cost to you. You don't even pay for the return shipping of your frame*

*You only pay if there's a difference in price between your old lenses and new lenses, or if the new frames require a shipping fee (generally, this applies when you request expedited shipping)!

Important Disclaimer:

• Limit 1 remake per item; 4 item remakes per household per lifetime (unless the error is ours, in which case, we'll make it right!).
• Same-product exchanges only, within 30 calendar days of receipt of package.
• Changes are restricted to same frame.
• Refunds are not offered under this guarantee.

Not Covered Under This Guarantee:

• Commercial orders, defined as any order containing 25 or more of the same products.
• Broken frames are not covered
• Scratch Warranties
• Any product ordered outside our recommended sizes or specifications.

Shop For Lenses

If you see one of our products on another website for less, we will match that websites price.

• Our price match guarantee applies to the same exact lenses that you are ordering. 
• They need to be the same brand, model and material. 
• Cannot be combined with a promotional offer
• Needs to be from a US based website with a phone number and email
• No Auction sites or marketplaces.

Please contact us by phone or email to request a price match and we will happy to accommodate you. 

We're proud to offer a 30-day return policy on all lenses purchased from Rx-able.com. Our complete return policy is below: