Why Do Progressive Lenses Have Distortion at The Sides

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A tough question to answer simply, but one an optician should be able to explain. Let's dig into the optics of progressive lens design to see if we can come up with a good explanation as to why there must be peripheral distortion (aberration) in any progressive lens. • Other Progressive Lens Videos: • Progressive Lenses: The Good, The Bad... • Fundamental of Progressive Lens Design by Darrel Meister • http://www.laramyk.com/wp-content/upl... • Learn More about Laramy-K OpticianWorks: https://opticianworks.com • Connect with us: • / opticianworks • This video was produced by Laramy-K Optical • Laramy-K Optical is a digital uncut and coating lab unlike any other. The only exclusively uncut lab in the country; we provide our customers with independent, high-end alternatives to corporate brands. Through craftsmanship, technology, and independent, innovative vendors like Younger, IOT, A R, and Quantum Innovations we offer our customers the Integrity portfolio of freeform lenses and coatings. Made in the USA, the Integrity brand is not a generic house-brand, but is the absolute best available, designed to give the wearer that “wow!” experience. • In addition to the digital line, we still offer conventional surfacing, including glass. Maintaining traditional equipment gives our customers vastly more flexibility in their dispensing, particularly when it comes to more difficult prescriptions. • Learn More: http://www.laramyk.com

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