Eco-friendly ophthalmic lens made with 82% bio-based content.
More than 5x reduction in CO2 emissions compared to regular lenses.
What is LeafECO©?
LeafECO© by TOG is an environmentally-friendly ophthalmic lens, made from 82% bio-based content. In conjunction with Mitsui Chemical, Inc., TOG manufactures LeafECO© lenses with the DoGreen bio-based monomer. The LeafECO© lens material uses palm oil from certified palm oil trees in Thailand, rather than petroleum, and provides exactly the same lens specifications and ordinary plastic lenses.
LeafECO© 1.74 Specifications
Refractive Index: 1.74
Abbe Value 32.4
Density 1.31 g/cm3
Chemical Resistance: Alcohol, Acetone, Toluene, Dichloromethane, DMF
UV Protection (400): 100%