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Lenses Index

The higher the index, the thinner the lens. With a higher index, the lens is thinner around the rim or in the centre, which improves the appearance of the glasses, especially for high myopia or hyperopia.

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  • Standard Light Lens

    CR-39
    Lightweight organic lens.

    Protections

    • Anti-scratch
    • Anti-glare

    Price

    • Included in the base price of simple vision optical and sunglasses lenses.

    Lenses type

    Optical and sunglasses

    Recommended prescriptions *

    • Between -2.50 and +2.50
    • Lower than 2
    • Available for prescription and non-prescription glasses

  • Polycarbonate Light Lens

    1.59 INDEX
    Lightweight organic lens with high impact resistance.

    Protections

    • 100% UV Protection
    • Anti-scratch
    • Anti-glare

    Price

    • Included in the price of simple vision semi-rimless and rimless frames.

    Lenses type

    Available only for semi-rimless and rimless optical glasses.

    Recommended prescriptions *

    • Between -4 and +4
    • Lower than 3
    • Available for prescription and non-prescription glasses

  • Very thin light lens

    1.67 HIGH-INDEX
    Very thin organic lens designed for higher prescriptions.


    Protections

    • 100% UV Protection
    • Anti-scratch
    • Anti-glare

    Price

    • +$50 CAD

    Lenses type

    Optical and sunglasses

    Recommended prescriptions *

    • Between -6.50 and -2.50
      Between +2.50 and +6.50
    • Lower than 3
    • Available for prescription glasses only

  • Ultra Thin Light Lens

    1.74 VERY HIGH-INDEX
    Ultra thin lenses designed for very high prescriptions.

    Protections

    • 100% UV Protection
    • Anti-scratch
    • Anti-glare

    Price

    Lenses type

    Optical

    Recommended prescriptions *

    • Between -12 and -6.50
      Between +6.50 and +9
    • Lower than 3
    • Available for prescription glasses only

Next

For customers with cylinder higher than 3, we offer additional options upon request. Please contact our customer service at support@bonlook.com, they will be able to determine the best option to accommodate your prescription.

* These are only recommendations. They can vary depending on the particularities of your prescription and on the chosen frame. Each prescription will be verified by a certified optician who will determine the appropriate type of index for your lenses.

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