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Dispensing case study – Progressive lenses and isocylinder plots

Various lens parameters will vastly impact the progressive lens design and so this should be considered when selecting a lens for the patient. The use of isocylinder plots can assist with this –however, the plots provided by manufacturers often show a plano prescription with a +2.00 addition and so are not a true representation of the lens. This case study shows the impact of the varying lens parameters and will allow you to assess whether the use of isocylinder plots during lens selection is the most effective tool. | more