New – ZEISS DriveSafe Lenses.

One pair of glasses for everyday use and safer driving.

Many people feel insecure, uncomfortable and stressed when driving, especially in difficult light and weather conditions such as rain and mist, or at dusk or night. On average 83% of spectacle lens wearers* also drive. Driving can be a real challenge for everybody – no matter how long the distance, and good vision is vital for safety.

With ZEISS DriveSafe Lenses, ZEISS is introducing a new lens product category for everyday use. It is specifically designed to meet the vision needs of people who want to feel safer and more comfortable when driving with their everyday lenses.
ZEISS DriveSafe Lenses are available in both single vision and progressive lens types.

_{* Source: Market research study with 36 ECPs and 480 consumers in the US and Germany/August 2013}

Design
ZEISS developed an everyday lens solution consisting of three elements to make driving safer and more comfortable.
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Luminance Design^® Technology by ZEISS takes into account the pupil size in low-light conditions

ZEISS DuraVision DriveSafe Coating reduces perceived glare.

ZEISS DriveSafe Lens Design incorporates an up to 43% larger mid-distance zone for easier focus switching between the dashboard and mirrors. And up to 14% larger far-distance vision zone for a wider view of the road.
1// Better vision in low-light conditions for safer and more comfortable driving

2// Reduced glare at night from oncoming cars or street lights

3// Clear visibility of the road, dashboard, rear-view mirror and side mirrors
Benefits
The benefits for the wearer

One pair of glasses for everyday use and safer driving:

Better vision in low light conditions for safer and more comfortable driving

Reduced glare at night from oncoming cars or street lights

Accurate vision of the road, dashboard, rear-view mirror and side mirrors
Wearers are very satisfied with ZEISS DriveSafe Lenses*

To verify that ZEISS DriveSafe Lenses fully meet consumer expectations, ZEISS conducted real-life wearer trials.

_{*Internal wearer trial with 60 CZV employees in Germany, 2013; external wearer trial with 70 eye care professionals and consumers in Spain, 2014}

97% when driving

94% doing everyday tasks, e.g. work in the office
Details
1// Better vision in low light conditions.

Luminance Design® Technology by ZEISS.

The challenge
The pupil reacts to light intensity from its surroundings, specifically the light that directly strikes the eye. In daylight conditions, the pupil diameter is small, whereas it is large at night. In low light, so-called mesopic conditions, i.e. twilight, rainfall, dark days or night driving, the pupil diameter is in-between small and large. Space perception, as well as distance assessment, becomes more difficult for the driver.

After intensive research in the field of mesopic vision*, the rationale for the development of ZEISS Luminance Design™ Technology was identified and verified during wearer trials. In a nutshell: there is bright light (photopic vision), no light (scotopic vision) and in-between low light (mesopic vision). In mesopic conditions, the light intensity, and thus the pupil size changes: a challenge for visual performance.

_{*For more information please refer to the ZEISS DriveSafe White Paper}

ZEISS solution
ZEISS developed the new Luminance Design^® Technology (LDT), which takes into account different light conditions and pupil sizes to improve the lens design for natural vision at all times. LDT incorporates the pupil size for driving in mesopic conditions and optimises the lens design accordingly: the adapted pupil sizes used in the optimisation algorithms are 5.0 mm in single vision lenses and 4.3 mm in progressive lenses.

As a result, wearers have better vision in low-light conditions.

Bright light = photopic vision with small pupil
Large depth of focus, relaxed space perception

No light (darkness) = scotopic vision with large pupil
Small depth of focus

Low light = mesopic vision with varying pupil size
Challenging conditions due to variation in depth of focus

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2// Reduced glare at night.

DuraVision® DriveSafe Coating by ZEISS.

The challenge
Glare describes the difficulty of seeing in bright light, such as direct sunlight or artificial light. Market research and scientific evidence both indicate that perceived glare in traffic is linked in particular to LED and Xenon HID light sources as used in modern car lighting technology. Intense glare can be a risk, as it reduces the visibility of objects and sensitivity of the eye to contrast. Glare also can be subjectively perceived as discomfort and irritation.

ZEISS vision science researchers carried out glare experiments. These formed the basis of internal studies* using different coating simulations. Scientific evidence shows that the blueish, high-energy part of the visible spectrum (in particular in the 440–470 nm range) using LED or Xenon H.I.D. (High Intensity Discharge) technology is linked to a glare effect perceived by drivers.

_{*For more information please refer to the ZEISS DriveSafe White Paper.}

ZEISS solution
DuraVision^® DriveSafe Coating by ZEISS partially reﬂects these wavelengths, which reduces perceived glare up to 64%** compared to premium AR coatings.

_{**Compared to premium ZEISS coatings. With DuraVision DriveSafe 64% less test drivers reported issues with glare with the new coating than with other premium AR coatings}.

Without DuraVision^® DriveSafe Coating

With DuraVision^® DriveSafe Coating: up to 64%** glare reduction

Reduced light-induced irritation such as dazzle and reﬂection

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3// Accurate vision of road, dashboard and mirrors.

ZEISS DriveSafe Lens Design.
The challenge
Driving demands a high level of concentration from drivers. Most of the time they need a broad view of the road in order to evaluate traffic conditions. The situation becomes challenging, especially for progressive lens wearers, when they need to switch their focus between the road, dashboard and mirrors. That is when dynamic vision becomes essential.

In an eye tracking study with FKFS* we identified the vision field needs of drivers:

97% of the recorded time they watch the road.

2% of the recorded time they use to look at the dashboard.

1% of the recorded time they switch focus between mirrors.

_{*FKFS Research Institute of Automotive Engineering and Vehicle Engines Stuttgart is an independent foundation associated with the University of Stuttgart. Founded in 1930, FKFS has become one of the largest and leading research institutes in the field of automotive engineering, serving major automobile manufacturers and suppliers. For more information please refer to the ZEISS DriveSafe White Paper.}
ZEISS solution

To make it easier for progressive lens wearers to quickly refocus between the road, dashboard and mirrors, ZEISS developed the new DriveSafe Progressive Lenses with optimised distance and intermediate viewing zones, reducing the need for horizontal head movement.

Dynamic vision for fast refocusing from the road to the dashboard and mirrors

Near viewing zone ideally suited to daily activities

Up to 43% larger** mid-distance zone for easier focus switching between the dashboard and mirrors. And up to 14% larger** far-distance vision zone for a wider view of the road.

_{**Compared to ZEISS premium progressive lenses}

ZEISS DriveSafe Progressive and Single Vision Lenses for clearer traffic evaluation; ideally suited to everyday situations.

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Product Availability

ZEISS DriveSafe	Clear	Tinted	PhotoFusion	Transitions®	Polarised
Plastic 1.74	●
Plastic 1.67	●	●	●	●	●
Plastic 1.6	●	●	●	●	●
Plastic 1.5	●	●	●	●	●
Polycarbonate	●	●	●	●	●
Trivex	●	●	●	●	●

Polarised lenses may reduce the visibility of images produced by certain LCD/LED screens. Therefore please check visibility before usage with digital devices.

Please find detailed information in the ZEISS price list.

	Variable fitting height	Recommended & standard fitting height
	14 – 20 mm	18 mm

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New – ZEISS DriveSafe Lenses.

One pair of glasses for everyday use and safer driving.

ZEISS developed an everyday lens solution consisting of three elements to make driving safer and more comfortable.

1// Better vision in low-light conditions for safer and more comfortable driving

2// Reduced glare at night from oncoming cars or street lights

3// Clear visibility of the road, dashboard, rear-view mirror and side mirrors

The benefits for the wearer

Wearers are very satisfied with ZEISS DriveSafe Lenses*

1// Better vision in low light conditions.

Luminance Design® Technology by ZEISS.

2// Reduced glare at night.

DuraVision® DriveSafe Coating by ZEISS.

Reduced light-induced irritation such as dazzle and reﬂection

3// Accurate vision of road, dashboard and mirrors.

ZEISS DriveSafe Lens Design.

ZEISS DriveSafe Progressive and Single Vision Lenses for clearer traffic evaluation; ideally suited to everyday situations.

Optical Knowledge

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Contacts