LeafECO® Lenses

LeafECO® by Thai Optical Group: An eco-friendly ophthalmic lens made from 82% bio-based content.

LeafECO® - Step Into Sustainable Eyewear

LeafECO® lenses are an innovative breakthrough in sustainable vision care. These eco-friendly ophthalmic lenses are made with 82% bio-based content, with more than 5x reduction in CO2 emissions compared to regular lenses.

TOG Asia Pacific, in partnership with Mitsui Chemical Inc., is the leading manufacturer of LeafECO® lenses with DoGreen bio-based monomer. Using certified palm oil from Thailand rather than petroleum, we ensure that each LeafECO® lens maintains the same exceptional specifications as traditional plastic lenses while significantly reducing environmental impact.

With over 70 years of experience in APAC, Europe, and the USA, TOG Asia Pacific is a trusted manufacturer of LeafECO® lenses. Our one-of-a-kind distribution and manufacturing facility in Thailand produces lenses that meet the highest standards of durability, clarity, and performance. In addition, we are able to ensure timely delivery across all APAC regions. 

leaf eco tog
leafeco 1.74 specification

Key Benefits of LeafECO® Lenses:

  • Eco-friendly Composition: Made with 82% bio-based content.
  • Lower Carbon Footprint: Over 5x reduction in CO2 emissions compared to regular lenses.
  • Uncompromised Performance: Same optical clarity and durability as traditional lenses.
  • UV Protection: Strong UV protection against harmful UV rays that can damage the eyes.

LeafECO® 1.74 Specifications

Physical properties
  • Refractive Index: 1.74
  • Abbe Value: 32.4
  • Density: 1.31 g/cm3
  • Chemical Resistance: Alcohol, Acetone, Toluene, Dichloromethane, DMF
  • UV Protection (400): 100%

Eco-friendly opthalmic lens

82% bio-based content

More than 5x fewer CO2 emissions

LeafECO® Transitions® Lenses

TOG Asia Pacific can manufacture LeafECO® with Transitions® lenses. These adaptive lenses are not only better for the environment, but they adjust to different light conditions, offering excellent visibility outdoors while providing superior UV protection. 

LeafECO® Transitions® lenses are designed for eyewear that combines the versatility of light-responsive technology and eco-friendliness. Our partnership with Transitions® allows TOG Asia Pacific to offer the best in vision correction and advanced light-adaptive technology.

Our LeafECO® Transitions® lenses ensure:

  • Seamless Adaptation: Transitions® lenses adjust to changing light conditions, reducing glare and eye strain indoors and outdoors.
  • UV and Blue Light Protection: Provide superior shielding from harmful rays and high-energy visible light for healthier eyes.
  • Stylish Versatility: Available in various shades to complement any frames and lifestyles.
  • Ultimate Durability: Designed for high-risk and high-intensity environments, ensuring long-lasting wear
  • Sustainability-Focused: Lower carbon emission, better for the planet.

Sustainable Manufacturing Practices

At TOG Asia Pacific, sustainability is the core of our business philosophy. Our team is dedicated to fostering industry growth, safeguarding the environment, promoting safety, and enhancing community well-being.

We aim to operate with transparency and accountability, with strong respect for human rights, consideration of stakeholder interests, and adherence to legal and international standards. TOG Asia Pacific is committed to conducting our business with the utmost ethical standards, laying a strong foundation for long-term social responsibility and sustainable development.

Whether employees, customers, suppliers, shareholders, local communities, or government partners, we actively nurture all stakeholder connections, celebrating mutual success.

TOG Asia Pacific: Trusted Manufacturer of High-Quality LeafECO® Lenses

Contact us today to explore our range of LeafECO® lenses or discuss our customisation options.

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