Tokai 1.76 gives independent opticians a premium solution for patients who want a slimmer lens appearance, particularly with stronger prescriptions. Available through Insight Lenses, this ultra-high-index plastic material can be paired with selected single vision and progressive designs to balance optical performance, frame choice and cosmetic expectations.
By combining a 1.76 refractive index with
aspheric design technology, Tokai offers substantial scope to reduce lens thickness. It is a useful dispensing option when lens prominence is a concern and patients want a more discreet finished result.
Key Benefits
Exceptional thinness: Tokai describes 1.76 as the world’s highest refractive index plastic spectacle lens material.
Up to 47% thinner than conventional CR39: Tokai’s published comparison highlights the potential cosmetic improvement. Actual results depend on prescription, design, frame size and centration.
Aspheric design options: Selected aspheric and bi-aspheric designs help control lens profile and off-axis distortion.
UV400 protection: UV filtration is incorporated into the material, providing protection up to 400 nm.
Premium SPS coating: Super Power Shield provides scratch resistance and a water- and oil-repellent surface for easier cleaning.
Sun lens flexibility: Tinting up to 85% absorption and selected photochromic options extend the choice for patients wanting outdoor comfort.
Supporting Your Dispense
Consider the full prescription, frame dimensions and fitting measurements when recommending 1.76. Our team can help you choose a suitable design and confirm the available diameter, prescription range and treatment combination before ordering.
