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Designing lenses that take into account how both eyes work together is not an easy task. The math is complex in a purely theoretically environment but when you factor in other variables like frame dimensions, the position of the glasses on an individual patient’s face and the limits that lens manufacturing and optics place, it’s no wonder why no one has done this before.

That’s what makes the SHAW lens unique. The SHAW lens process uses a patent-pending method to accurately model eye rotation in order to predict distortions caused by eye glasses. We then use that information to design a lens that reduces or eliminates the distortion other lenses can cause. 

The key to making a SHAW lens is the measurement of Motor fusion (vergence) limits by the optometrist using Risley prisms on the phoroptor. It’s these tolerances that make all the difference.

Shaw Lens Technology

Traditional lens design makes one fundamental mistake: It doesn’t take into account the way both eyes work together. The result is glasses-induced distortion that can be as uncomfortable as uncorrected vision. The SHAW™ lens is different. Our patent-pending system accommodates the way both eyes work together to solve for both dynamic and static aniseikonia. This dramatically reduces the distortion caused by other lenses. The effect is a more comfortable experience that can reduce eye strain and result in fewer headaches.

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