How Do You Use Progressive Bifocal Lenses?
We have three basic ranges of vision. The near range is for reading and seeing up close. The mid-range is for seeing things at arm’s length such as dashboards, computer screens and items on shelves while shopping. The distance range is anything farther away like road signs and people approaching. A healthy and normally functioning eye can accommodate all three ranges of vision without taking time to adjust. That ability to accommodate decreases over time and as we age our eyes have a difficult time making the adjustment from one range to another. Eventually, we may not be able to achieve visual clarity in one or more of the three ranges. That is when we need eyeglasses. A progressive bifocal lens accommodates all three ranges of vision without the cosmetic unattractiveness of bifocal lines in the lenses. Progressive lenses take time to get used to. Accept that your new progressive lenses are not likely to work the moment you put them on. The most important step to adjusting to progress