multifocal ophthalmic lens and process for their preparation, improved

Improvements in the object of the principal patent No. 201031316 for "multifocal ophthalmic lens and process for their preparation". # The improvements are relative to the multifocal ophthalmic lens diffractive-refractive hybrid and the process for their preparation, both when it is a contact lens, and focus on the number of iterations s for iterative ordering process step function aperiodic G {sub, s} (u) is equal to or less than 2 as well as the use of the lens for the control of myopia.