Glassesspot

Progressive Lenses

New Line of No-Line Bifocals

If you're a maturing adult who has trouble reading fine print, Progressive Lenses are the new "no-line" bifocals that eliminate the lines of bifocal or trifocal lenses and look just like single visions lenses.

Progress lenses are increasingly popular and are the most widely purchased lenses to correct the loss of near vision with age.

Progressives Lenses vs. Bifocals and Trifocals

Progressive lenses provide a more natural correction of presbyopia than bifocals or trifocals. They are considered "multifocals" because there is a seamless progression from distance to near with an intermediate section in between. This provides many focal points in order to satisfy almost any visual need.

With progressives you can look up to see clearly across the room or down the street while driving. You can also look ahead to see your computer or someone sitting across the dinner table through the intermediate section. If you drop your gaze downward, you can read fine print comfortably through the bottom of the lens.

There is a corridor that runs vertically down the middle of the lens and measurements will be taken to fit the corridor in the right place so all powers can be accessed comfortably.

Progressive Lenses also eliminate a problem called "image jump" which is experienced with bifocal and trifocal lenses. The lines on the lenses create a drastic change in power which causes images to appear to jump as you move from distance to near. Progressives create a smooth, more comfortable transition from distance to near and back.

Adjusting to Your Progressive Lenses

Patients must learn how to adjust to their progressive lenses so they can understand how to use them and what to expect.

Point your nose directly at what you want to see. Then raise or lower your chin until the object comes into the best focus. You may feel an initial difference in peripheral vision that will require some slight changes in horizontal head and eye movement. This will diminish with wearing time. Most people will adapt in a few hours although some can require as long as two weeks.

Most adaptation problems to progressive lenses are caused by one of the following:

  • inaccurate placement of the optical center of the lens-the segment/fitting height should be placed at the same spot as the patient's previous progressive lenses or for new wearers it should be exactly in the center of the pupil.
  • the wrong type of progressive lens design.
  • patient not understanding how to use the progressive lens and/or not allowing enough time for adaptation.
  • frame adjustments are not correct for the individual or are different from previous glasses.

To adjust quickly to your new Progressive Lenses:

  • Stop wearing your old glasses completely.
  • Wear your new glasses high on the bridge of your nose and as close to your face as possible.
  • To look at an object, turn your head and look directly toward it (do not just turn your eyes). Then simply raise or lower your chin until the object comes into focus.

Cosmetically Pleasing

Anyone on TV or whose photo is taken often benefits tremendously from the coating, but really, all eyeglass wearers would benefit from an anti-reflective coating from a cosmetic point of view. If you have a strong prescription, you can use the AR coating in conjunction with high-index lenses to make your glasses look and feel as thin as possible.

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