METHOD AND APPARATUS FOR PROVIDING VARIATIONS OF A LOWER-LID CONTACT SURFACE AND UNDER-LID SUPPORT STRUCTURES OF A TRANSLATING MULTIFOCAL CONTACT LENS

摘要

Translational multifocal contact lenses are described. The lens includes a lower eyelid contact surface, and optionally a lower eyelid support structure. More specifically, translational multifocal contact lenses are described whereby the lower eyelid contact surface is characterized by a plurality of geometric deformation and blend zones, and a function-based technique, uniform axial thickness technique, uniform radial thickness technique, and minimal energy surface. It may include a lower eyelid support structure that may be designed based on one or more of a variety of techniques, including one or more of the (MES) techniques.