Technology Features > Power Calculation


Power Calculation

Power calculation can be performed by two different methods: Digital Ray-Path or Surface Power. Digital Ray-Path lenses are computed with User Power: Calculation involves a simulation process of the eye and the lens, to calculates the power that is required by the eye in every direction of sight, taking also into account all the possible parameters (lens orientation, lens position, working space,…) that may be decisive in the final quality of the lens. Surface Power lenses are computed with Nominal Power: Calculation is based on the curvature of the lens surface to provide the final lens with the correct power. No customization parameters are taken into account with this method, just surface curvatures.



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