Why 98 % of progressive lenses do not fit their user’s eyes

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For most lens manufacturers, Biometric precision is a matter of chance.

Today, most progressive lens manufacturers produce lenses using a standard eye model. In 98% of these cases, the biometric parameters of this standard eye model deviate from the true values of the individual eye. This means lenses are not tailored precisely to the needs of the individual.

We need to be more precise.

Eye length can vary up to 10mm between individuals – this means that only 14% of eyes match the standard model.

The eye consists of multiple layers, from the cornea to fovea centralis. This means eye length is made up of vitreous chamber depth, lens thickness, anterior chamber depth and corneal thickness. Since each of these layers vary in shape and size between individuals, eyes can vary up to 10mm in length. When eye length is not determined precisely in lens calculation, it influences vision sharpness. This illustrates the importance of determining the biometrics of the individual eye.

Source: Oyster, C.W. (1999). The Human Eye. Massachusetts: Sinauer Ass.

Biometric precision delivers sharper vision - every single time

When progressive lenses are produced using the biometric input from Rodenstock’s DNEye® Scanner, nothing is left to chance. Each eye is scanned, and the biometric data is then used as input to calculate and produce the lens. This ensures each lens is tailored exactly to the shape, size and refractive capabilities of the individual eye – every time. In other words, the DNEye® Scanner delivers biometric precision – the trademark of our Biometric Intelligent Glasses.

Let spectacle wearers take control of their own vision experience

Biometric precision starts when the spectacle wearer chooses to have their individual eyes scanned with a DNEye® Scanner. In collaboration with their opticians, Rodenstock – as the only lens manufacturer in the industry – transforms the biometric measurements from the DNEye® Scanner into a complete biometric model of their eyes, of their eyes. On the basis of this, biometric progressive lenses are calculated which, for the first time, fit the wearer’s eyes to the micrometre. The model suits the individual eye in 100% of cases, which ensures that each lens can be tailored to meet specific visual needs.

Click on one of the three persons to see in the video how the real values of eye parameters deviate from a reduced standard eye model These eye parameters can be determined by measuring the eyes with the DNEye® Scanner.

B.I.G. Vision™ gives people BIG benefits

By crafting the lenses with true biometric precision, we recognize that every eye is different, thereby ensuring the sharpest possible vision.

Biometric Intelligent Glasses create bigger benefits for spectacle wearers. Scientific studies show that when progressive lenses are produced with true biometric precision, they provide sharper vision at near and intermediate distances as well as wider fields of sharp vision at near. This ensures the lenses are able to support every dynamic aspect of the wearer’s everyday life.

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