Bifocal contact lenses have two (powers) prescriptions in the same lens where as Multi-focal have a range of powers. The contact lens designs fall into two basic groups: Translating: (alternating vision) lenses – the pupil alternates between the two different powers, as your gaze shifts up or down. Simultaneous lenses: you will be looking through … Continue reading The difference between Bifocal contact lenses and Multifocal contact lenses