Filling Prescribed Prism by Decentration in Single Vision Lenses (ASPHERIC EDIT)

If you have a job that requires prism and there is enough power in the lens, it may be possible to create the prescribed prism by simply moving the lens off-center, rather than going through the trouble and expense of having the lab create it for you. Let's take a look at what is required and how you would calculate the necessary movement to fill a prescription for prism by decentration. Note: This video was edited from the original post to add some related information on aspheric lenses.

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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.

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Видео Filling Prescribed Prism by Decentration in Single Vision Lenses (ASPHERIC EDIT) канала Laramy-K Optical