IOT launches Light-Form technology; future vision-correction optical structures may be printed directly onto AR optical waveguides
Spanish optical lens company IOT has launched Light-Form additive manufacturing technology, which forms progressive multifocal lenses in a single step through stabilized frontal photopolymerization. Lens formation takes only seconds, and the first batch of commercial products has already entered the consumer market. The technology supports resin recycling, eliminates cutting and polishing processes and manufacturing water use, and the company plans to explore multi-printhead equipment and in-store customized production. IOT also plans to extend the technology to smart glasses and AR/VR devices, exploring the direct printing of vision-correction optical structures onto optical waveguides or flat substrates, but related applications remain a direction of technology development.
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On October 29 local time, Spanish optical lens technology company IOT announced that it has developed a new additive manufacturing technology called Light-Form Technology, which can manufacture progressive multifocal lenses with personalized optical parameters through single-exposure molding. At present, the first batch of commercial products using this technology has entered the consumer market, and in the future it is also expected to be applied to smart glasses and AR/VR devices.
Light-Form uses Stabilized Frontal Photopolymerization technology to form a complete lens structure in a single step through light exposure, without the cutting, molding and polishing processes required in traditional lens processing. Among these, the lens molding process takes only a few seconds, after which surface hardening, lens inspection and parameter mapping and other processing steps are still required to complete the entire production process.
Compared with traditional lens manufacturing processes, Light-Form can combine digital optical design to directly manufacture personalized progressive lenses that meet different users' vision needs, while also meeting the optical precision and imaging quality requirements of commercial products.
IOT co-founder and Chief Innovation Officer José Alonso said that Light-Form combines optical precision with a new manufacturing process, providing new possibilities for personalized lens design, innovative optical structures and more flexible production methods.
In terms of production efficiency, IOT said that the technology supports resin recycling and can reduce energy consumption and material waste in the lens manufacturing process, while also eliminating the manufacturing water required by traditional processing. In the future, the company also plans to explore production equipment using multiple print heads to increase lens production capacity with a smaller equipment footprint, and to study customized production in eyewear retail stores through compact equipment.
It is understood that IOT also plans to extend Light-Form technology to smart glasses and AR devices, exploring the direct "printing" of optical structures with vision correction functions onto optical waveguides or flat substrates. This direction is expected to reduce the need to integrate additional prescription lenses and provide a new technical path for thinner and lighter AR glasses designs. In addition, personalized optical structure manufacturing capabilities may also be applied to VR devices in the future.
However, IOT emphasized that the above smart glasses and AR/VR applications are still technical development directions at present and are different from the personalized progressive lenses that have already entered the commercialization stage.
Source: IOT
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