Multi Lens Bifocal Safety Glasses (2.5 Bifocal Lens) Wizard Versa-Specs Multiple Lens Safety Glasses Includes: Clear, Yellow, Grey, Bifocal and Prescription Insert Frames. Three lens tints: Clear, yellow, grey Can be easily switched inside the unique Versa-Specs frame. Bifocal Lenses Prescription Inserts Padded Carrying Case