See Better with New No-Line Lenses
Do you have trouble reading fine print? Progressive Lenses look just like single visions lenses but have the corrective properties of bifocal or trifocal lenses without the harsh lines. These no-line lenses have become the most widely purchased lenses to correct the loss of near vision.
The Big Difference: Progressives vs. Bifocals and Trifocals
Progressive Lenses have a seamless progression from distance to near with an intermediate section in between that creates a more natural correction of presbyopia than bifocals or trifocals. Because of this wide range of focal points, progressive lenses are considered to be "multifocals" that can be used to satisfy almost any visual need.
The upper portion of the lenses allow you to see short to long distances either while driving or simply looking across the room. Looking directly forward in the center of the lens you are able to clearly see faces and objects in a close radius. And fine print becomes easily legible, if you drop your gaze downward through the bottom portion of the lens.
In order to ensure the that all lens properties are accessible easily and comfortably, measurements are taken to determine where the focal corridor that runs vertically down the middle of the lens should be placed.
Progressive Lenses are designed to prevent "image jump" which is common with bifocal and trifocal lenses. The central corridor's alignment is designed to create a smooth, comfortable transition as opposed to the drastic change in focal power which causes images to appear to jump as you move from distance to near.
Common causes of most adaptation problems
- The optical center of the lens has been placed inaccurately. The segment/fitting height should be placed exactly in the center of the pupil.
- Progressive lens design is of the incorrect type.
- Not enough time has been allowed for adaptation.
- Patient does not understand how to use the progressive lenses correctly. Our experts can assist you with further adjustment techniques.
- The frame adjustments are different from previous glasses.
Quickly adjust to your new Progressive Lenses by:
- Wearing only your new progressive lenses.
- Keep the glasses as close to your face as possible; let them rest high on the bridge of your nose.
- When viewing an object, move your entire head to look directly toward it instead of just your eyes). Simply raise or lower your chin until the object is in focus.
Progressive Lenses and You
Once a patient receives their new progressive lenses, there is a period of adjustment as they learn how to use them and what they can expect from their usage.
The first step is to point your nose directly at what you want to see. To set the object up in your best focus. slowly lower or raise your chin. There may be an initial difference in your peripheral vision that will require you to adjust your eye movement and head placement, but, this will pass as you become more adjusted to the lenses. For many this adjustment can happen within a few hours, thought it can also take as long as two weeks.
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