Rodenstock‘s journey towards biometric precision

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Every eye is different.

Today, most lenses are manufactured using a standard vision test with just four standard prescription values as input for the lens calculation process. In this case standard values taken from the reduced eye model are used for the biometrics of the individual eye. These standard values suit only 2% of eyes. This has consequences for how precisely the lens can be tailored to the needs of the user’s eyes.

Only 2% fit

When combining the different standard eye parameters of the reduced eye model, it ends up matching just 2% of eyes.

Why biometric precision ensures sharper vision

As light travels through the eye, it is refracted to hit the fovea centralis and form a sharp image on the retina. All elements the light passes through play central roles in creating vision. Since they have different refractive indexes, each must be determined precisely.

The era of the biometric intelligent glasses

Moving away from an old norm based on limited biometric knowledge.

At Rodenstock, we are constantly striving to pioneer how precisely progressive lenses can be crafted. Reaching a whole new level of biometric precision has taken us many years. On our journey, we have faced some major challenges.

  • Traditionally, progressive lenses are manufactured using input from standard prescription values. To realise our ambition, we needed more precise data on the biometric parameters of the eye. This led us to the launch of our DNEye® Scanner, which was the first step towards attaining true biometric precision.
    With the DNEye® Scanner, we were able to scan thousands of data points in each individual eye. From these data points we were then able to successfully build a set of more than 80 biometric eye parameters.

  • The next major challenge was to unlock the value of our biometric parameters. For thousands of hours we worked with advanced mathematical modelling, constantly pushing the scientific boundaries of lens calculation to transform the more than 80 biometric eye parameters into concrete input for the lens calculation process.
    In the end, we were able to create a complete biometric model of the individual eye. This biometric eye model enables us to precisely hit the sharp vision centre of every individual eye.

  • With this biometric model, we were ready to take on the final challenge: Transferring the biometric parameters directly into the crafting of the lenses. Contrary to the rest of the industry, where biometric data is often measured yet seldom used in lens manufacturing, our biometric eye model provided us with concrete input we could use to manufacture our lenses.
    To make use of the biometric eye model’s precision in creating progressive lenses, we engineered a way to digitally transfer the input from the DNEye® Scanner into the crafting of the lens.

The result

B.I.G. VISION™ FOR ALL and
Biometric Intelligent Glasses.


This was the birth of two milestones in our company history:

  • B.I.G. VISION FOR ALL: our philosophy that recognizes that every person and eye is unique.
  • Our pioneer: B.I.G. Biometric Intelligent Glasses, the first high-precision progressive lenses made using an exact biometric model of each eye measured by a DNEye® Scanner - marked the beginning of the biometric era in progressive lenses.
    We now call these lenses B.I.G. EXACT.
More about B.I.G. EXACT™
What drives us

B.I.G. VISION™ FOR ALL


We are not satisfied with the standard, but always go one step further. Our claim is to produce the best progressive lenses for people all over the world.

AI: A new norm in progressive lens manufacturing
Rodenstock’s new AI technology makes it possible to include approximate biometric values when calculating lenses. This ensures a higher level of biometric precision when exact values from the DNEye® Scanner are not available. With this AI technology, we are creating a new norm within progressive lens manufacturing.
We call these new lenses: B.I.G. NORM™.

More about B.I.G. NORM™

Time for Biometric Precision

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Optician Search

Where to get Biometric Intelligent Glasses?

Would you like to experience how Biometric Intelligent Glasses can help improve your vision? Your journey starts at your nearest optician.

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Contact and further information

Would you like to know how you can become part of the B.I.G. VISION™ Story and get more information? Fill out our contact form and a member of the Rodenstock team will get in touch with you as soon as possible.

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