All our Multifocal Frames shown below are suitable for use as Bifocal Prescription Glasses. When you have selected your frames,you will be able to supply your prescription details and choose your Bifocal lenses. At the same time you will have the option of selecting a tint: A Fashion Tint (10% intensity), an Indoor/Outdoor use Tint (50% intensity), or a full Sunglass Tint: (80% intensity). Additional options are Scratch Free, and UV protection as standard (no charge). A nonreflective option is also available.