Bifocals: Comparing Lined and Progressive No-Lined Bifocals

As a person ages, she may find that it is extremely difficult to read printed materials when they are not holding them at arm’s length. This is because our eyesight weakens as we get older. Changes come about within the proteins in the lens of the eye. The lens becomes less flexible. The curvature of the lens may also be affected by changes in the surrounding muscles. Continue reading Bifocals: Comparing Lined and Progressive No-Lined Bifocals