Material for eyeglass lenses

Applications detail

A photochromic lens that controls light by changing its color based on the amount of ultraviolet (UV) light


SunSensors™ - An in-mass photochromic technology and brand

SunSensors™ is a patented and branded in-mass technology to produce photochromic lenses. This technology is compatible with premium coating treatments, and is capable of being produced in contemporary lens designs.There are few branded photochromic technologies in the market today, however SunSensors™ has both a proud history as well as brand recognition. Most recently, Mitsui Chemicals Inc. has reinvigorated the SunSensors™ brand with the MR™ Series and Ultra Dye Dispersing Technology.

Faster Color-Changing Response

The fading speed has been significantly improved compared to conventional products. Both indoors and outdoors, the lens changes color swiftly.

Gray color change
Brown color change
Fading speed
In-Mass Technology

The SunSensors™ brand, an in-mass type lenses with photochromic pigments blended into the lens material itself. In general, it is easier to maintain photochromic functionality.

The lineup offers a wide selection of different refractive indexes and photochromatic functions.

R.I. 1.60 SunSensors™ - MR-8™

This strong, light, high-performance, high R.I. lens material is manufactured from highly workable and fashion-oriented thiourethane (MR-8™) in-mass material, which offers faster darkening/fading speeds*1 for rimless and high-curved frames.

R.I. 1.50 SunSensors™ - 50HPM

Exhibiting superior optical properties, this high-performance low R.I. lens material is an allyl- and acrylic-based, in-mass material having superior optical properties and strength.

R.I. 1.55 SunSensors™ - 55HPM

Optimizing the base material and pigment achieves faster darkening/fading speeds*1 for this acrylic-based high-performance in-mass lens material.

R.I. 1.55 SunSensors™ - 55

This basic acrylic-based in-mass lens material maintains the traditional SunSensor™ color variations while offering enhanced cosmetics.

*1 Compared to SunSensorsTM - 55

Comparison of Performance Comparison of Performance

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