Do Green™

Material for eyeglass lenses

Usage detail

Plant-derived high-index lens material.



  • Basic information


Made from plant-derived materials, this lens is designed to create a smaller carbon footprint than conventional petroleum-derived products.


Plant-derived materials

According to LCA (Life Cycle Assessment), MR-174™ reduces greenhouse gas emissions by 14 % compared to conventional products based on petroleum-derived materials. MR-160DG™ is under evaluation.*1
It is certified as a biomass product by JORA in Japan and USDA (MR-160DG™ is currently under application) in the United States.*2*3

Superior Optical Properties

Due to the exceptional optical performance of MR™, it is 「Thin and Light」, 「Safe and Resistant to Breakage」and 「Lasting Appeal」as well as 「Clear View」

*1 Based on our Life Cycle Assessment (LCA) procedure

*2 Biomass mark (JORA) : A mark (biomass mark) in which the Japan Organic Recycling Association (JORA) certifies environmental products that utilize biological resources (biomass) and comply with quality, related regulations and standard criteria.

*3 Biobased product certification mark (USDA) : Biomass mark indicating plant-derived certification by the United States Department of Agriculture (USDA BioPreferred®)

List of Products

MR-160DG™ (Refractive Index 1.60)
MR-174™ (Refractive index 1.74)

For the characteristics of each product, refer here.

Contact Us

Mitsui Chemicals Europe GmbH
TEL +49 (0) 211-17332-0
FAX +49 (0) 211-17332-701