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The Varilux Ipseo New Edition is the first lens designed and tested using a virtual simulator. The lens is personalized to the wearer's visual behaviour, using 10 customization criteria. To do so, it uses the Vision Print System, which measures a personal diagnosis of eye and head movement. [25]
The Carl Zeiss AG & Varilux lenses were the first PAL of modern design. Bernard Maitenaz, patented Varilux in 1953, and the product was introduced in 1959 by Société des Lunetiers (now Essilor). The first Varilux lenses' surface structure was however still close to a bifocal lens, with an upper, aberration-free half of the surface for far ...
To do so, a magnetic sensor records a subject's head movements and images that show the eyes' exact viewpoint 120 times per second. After testing, the results are used to fine-tune the lenses' performance. In 2008, the Varilux Ipseo New Edition was designed using Essilor's Virtual Reality system.
Plastic lenses are currently the most commonly prescribed lens, owing to their relative safety, low cost, ease of production, and high optical quality. The main drawbacks of many types of plastic lenses are the ease by which a lens can be scratched, and the limitations and costs of producing higher-index lenses.
Third Point, run by billionaire investor Daniel Loeb, is targeting EssilorLuxottica amid a power struggle inside the world's largest lenses and glasses manufacturer, following its formation last ...
Optical lens design is the process of designing a lens to meet a set of performance requirements and constraints, including cost and manufacturing limitations. Parameters include surface profile types (spherical, aspheric, holographic, diffractive, etc.), as well as radius of curvature, distance to the next surface, material type and optionally tilt and decenter.
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