UV Protection

UV Exposure to the eyes causes vision loss and cancer

UV exposure causes eye diseases (cataracts and AMD), blindnes, eye cancer

normal vision

Nromal Vision

amd vision

Vision loss from AMD

cataracts vision

Vision loss from cataracts

skin cancer

ESPF 10 Blocks UV rays from the front of the lens only. Reflected rays are not blocked.

Lenses that boast 100% UV protection are only ESPF 10. They block UV rays from the front of the lens. The do not block reflected UV rays.

ESPF 25 blocks UV rays from the front of the lens and also blocks reflected rays

ESPF 25 Blocks UV from the front of the lens and also blocks reflected rays

ESPF 25 is the best UV protection available in a clear lens

See the ESPF 25 Lens Selection


What is E-SPF?

Definition of the E-SPF

The Eye-Sun Protection Factor (E-SPF) is a new international index certifying the overall UV protection provided by a lens. It is an objective rating system developed by Essilor International which can rate any lens for daily eyewear as well as for sunglasses.

Inspired by the cosmetic industry standard of UV protection, the E-SPF rating system follows a simple pattern: The higher the E-SPF, the better the UV protection. Thanks to this reference UV index, it is now possible for everyone to choose easily the best UV protection for their eyes and the sensitive skin around them.

Developed by Essilor Research & Development, the Eye-Sun Protection Factor follows an impartial measurement protocol, which has been endorsed by an independent third party.

How does E-SPF work?

The higher the E-SPF, the better the UV protection

The Eye-Sun Protection Factor is inspired by the protection index displayed prominently on daily moisturizers, sunscreens and sun-protective clothing, and used to rate effectiveness against ultraviolet radiations : the higher the E-SPF value, the greater the level of UV protection. 

Wearing a lens with an E-SPF value of 25 means that your eye is 25 better protected that without any lens. (The E-SPF excludes direct eye exposure from around the lenses*)

E-SPF 25 means your eye is 25 times better protected than without any lens. 

All lenses are not equal in terms of UV protection

UV protection is not linked to the color of your lenses. In fact, some transparent lenses can protect you even better than some sun lenses**. Whatever its tint, a lens’ protection is a result of a combination of a material and a coating, which varies from one lens to another. As a result, not all lenses are equal in terms of UV protection.

Make sure you get the right protection for your eyes

With the Eye-Sun Protection Factor, you can now compare the levels of UV protection provided by all kinds of eyewear, including clear, photochromic, and sun lenses (tinted or polarized). Ask your Eye-Care Professional for advice.

Up to 25 for corrective clear lenses  
Up to 50+ for sun lenses

Based on measurements made up until now***, the E-SPF values vary from 2 to a maximum of 25 for daily eyeglass lenses and up to 50+ for sun lenses.

espf 25 glasses

espf 50 glasses



espf 25 glasses

espf 50 glasses