. The Beethoven has blended bifocal style lenses that lessen the transition from your reading power (at the bottom) to the rest of the lens.com - The Beethoven Blended - +1. Please Note: Optics may be slightly distorted around the blended border as with all blended, round segment bifocal style lenses.
- Round Bifocal Reading Glasses in Black by Readers.. Please Note: Optics may be slightly distorted around the blended border as with all blended, round segment bifocal style lenses.com - The Beethoven Blended - +1.