Frequently Asked Questions

All about 3D printed lenses

3D printed lenses for eyewear are now possible!
Learn more about 3D printed lenses and their possibilities in this FAQ. 

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Why 3D print lenses
?

3D printed lenses bring the eyewear market an amazing capability: unique products and lens customization.

But why do they make sense?
In a nutshell: 3D printing allows for unique customized lens designs which is what prescription eyewear is all about. In addition with 3D printing you will be able to finally add "smart" to prescription lenses or add prescription to all these cool goggles that are coming out.



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How is a 3D lens made?

The Luxexcel technology is an inkjet-based 3D print technology which builds lenses droplet by droplet. From a liquid material, small droplets are jetted to build the required ophthalmic lens shape.

The 3D printing process obtains very smooth lens surfaces without any post-processes.

We are able to create very accurate lenses because we use extremely small droplets, and we are able to print rapidly because we jet many droplets at the same time.

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When are the lenses available commercially?

Today, Luxexcel VisionPlatforms in the USA and Europe, reached a maturity level where commercial lenses are being shipped to customers every day.

The Luxexcel VisionPlatform™ consists of industrial grade optical 3D-printers, lens-design software and workflow integration tools which enables customers to manufacture 3D printed ophthalmic quality lenses that meet all industry standards like ANSI, ISO & FDA requirements


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How quickly can we print a lens?

 

Faster than you might expect (see timelapse)

Traditional 3D printing technologies require hours to build an object with the detail and accuracy used by our process.

The Luxexcel technology for 3D printed lenses prints two pairs of lenses in one hour.

The lenses require no polishing after printing. After resting in our proprietary blue light cabinet, they can be coated and processed using standard lab procedures. 

3D printed lenses easily fit into the standard ophthalmic lens manufacturing process.

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What material do you use?

Luxexcel lens2

Luxexcel VisionClear™ is an ophthalmic quality, UV-curable acrylate monomer in an ink form. This material is optimized to be 3D printed by the Luxexcel VisionEngine ™.

Refractive Index 1.5225
Abbe value 45
Density 1.15 g/cm3


The material is compatible with ophthalmic industry coatings like Hard coatings, blue filters and tints.

 

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How do users design a 3D printed lens? 

Luxexcel’s VisionMaster™ enables users to customize the lens and allows experimenting with our beta designs to create lenses that do not exist today.

By utilizing VisionMaster™ one can enhance the lab’s product portfolio with custom 3D printed lenses. 

If your lab has a printer, VisionMaster™ will sent the lenses to your lab’s print queue. If your lab has a VirtualEngine™ ,the lens file is sent to a selected ophthalmic lab which has a VisionEngine™ installed on site. 

 


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Is the printer tabletop?

The Luxexcel VisionPlatform™ is not exactly tabletop size. It is a commercial scale printer with the following dimensions:

  ft m
Height 8.53 ft 2.50 m
Width 15.75 ft 4.80 m
Depth 5.62 ft 1.72 m


Unlike industry standard processes, prefabricated lens blanks are not required. The lenses are fabricated by Luxexcel VisionEngine™ in a fully additive manner, based on a custom lens design file generated using Luxexcel VisionMaster™.

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Who can 3D print a lens?

Luxexcel lens2

Our technology  is designed for an ophthalmic lab and we solely print lenses for eyewear. We are interested in mutual projects, but do not offer prototyping services.

As a partner of Luxexcel, we provide a turnkey solution which includes: the VisionEngine™ hardware (printer), Luxexcel VisionClear™ print material, VisionMaster™ lens design software, lens designs, beta testing lens designs, service, training and maintenance.  
The site partner must have a clean room and dedicated space for our 15 ft, 5-ton printer. We provide the 3D printing technology and the optical lab provides their expertise in lens processing.


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