Photochromic lenses

IOT Neochromes® Light Activated Lenses¹

IOT Neochromes® lenses always provide the right level of tint for your patient. No unnecessary waiting, whatever the temperature, these lenses are crystal clear indoors⁴ and dark outdoors.

Exceptional performance from an independent company.
The new photochromic dye formulation used in IOT Neochromes® lenses allows them to be crystal clear indoors, darken in seconds², and return to their un-activated state in 3-minutes.

Features & Benefits

  • Quickly adapts to changing light conditions.
  • 3-minute fade-back³.
  • Blocks 100% of damaging UVA & UVB rays.
  • Provides high protection against blue light when dark.
  • Consistent performance across wide range of materials.
  • High performance in a broad range of temperatures.

1.Measured at 555nm at 23C using ISO 8980-3: 2013/ ANSI Z80.3 2015. | 2. t1/2D is 5 seconds. | 3. t1/2F is 140 seconds. | 4. 85%T in inactivated state. | 5. 1.50 plastic, 1.60, 1.67 and Trivex®.The IOT Neochromes® high performance photochromic dyes are applied in the USA at IOT’s manufacturing facility. Lenses are inspected to the highest quality standards, packaged and shipped to your laboratory (USA, Canada and LATAM versions). IOT Neochromes is a registered trademark of Indizen Optical Technologies S.L.U.  Trivex is a registered trademark of PPG Industries Ohio, Inc.