| Progressive lenses also provide a more natural | | | | And it's easy to adapt to today's modern |
| correction of presbyopia than bifocal or trifocal | | | | progressive lenses. |
| prescription eyeglasses. Instead of providing just | | | | And progressive lenses eliminate an annoying |
| two or three lens powers like bifocals or trifocals, | | | | problem caused by bifocal and trifocal lenses |
| progressive lenses are true "multifocal" lenses that | | | | known as "image jump." With conventional bifocals |
| provide a seamless progression of many lens | | | | and trifocals, images seem to "jump" as your |
| powers for all viewing distances. | | | | eyes move past the sharply defined boundary |
| With progressive lenses, you can look up to see | | | | between the distance and near parts of the lens. |
| clearly across the room and in the distance. You | | | | With progressive lenses, the transition between |
| can also look ahead to view your computer in the | | | | lens powers within the lens is smooth and |
| intermediate zone and drop your gaze downward | | | | seamless, letting you change focus from distance |
| to read and do fine work comfortably. | | | | to near and back again more comfortably. |