![History of MR™ and eyeglass lenses | MR™ High Refractive Index Lens Material | Mitsui Chemicals, Inc. History of MR™ and eyeglass lenses | MR™ High Refractive Index Lens Material | Mitsui Chemicals, Inc.](https://jp.mitsuichemicals.com/common/special/mr/assets/img/en/history_sec-2_img_01.png)
History of MR™ and eyeglass lenses | MR™ High Refractive Index Lens Material | Mitsui Chemicals, Inc.
Tw9 planoconcave lenses of glass of refractive index 1.5 have radii of curvature of 20cm and 30cm.They are placed in contact with curved surfaces towards each other and space between them is
![Real refractive index (n, measured or from trendline fit) for candidate... | Download Scientific Diagram Real refractive index (n, measured or from trendline fit) for candidate... | Download Scientific Diagram](https://www.researchgate.net/publication/238079633/figure/fig5/AS:668499185790984@1536394034778/Real-refractive-index-n-measured-or-from-trendline-fit-for-candidate-CPV-optical.png)