Indizen Optical Technologies

Calle Suero de Quiñones 34 – 36

28002 Madrid


Telephone: +34 (91) 833 3786         e mail:



Introduction to IOT

IOT is an independent company specialising in the development of ophthalmic lens technology which can be incorporated into own brand products, through freeform designs and photochromics.

Through our partners over 35 million lenses are produced annually powered by IOT Intelligence.

IOT works in partnership with optical laboratories to provide eyecare professionals with high quality visual solutions for their patients. Through research and development IOT continues to push the boundaries of the geometrical limitations of lens designs through innovative technologies.



Camber Steady Plus Progressive





Digital Ray Path 2 Technology






Steady Methodology






Steady Plus Methodology

UK lens manufacturers

For further information please contact your preferred laboratory from the list here: IOT supported UK manufacturers

Although IOT has no direct relationship with eyecare professionals we believe education drives innovation. Dispensing opticians with an interest in lens design can view the website at


Position of Wear Measurements

Lens Optimisation: Digital Ray Path 2

IOT Free-Form Insights: PAL fitting, dispensing and troubleshooting