Progressive lenses are designed to have increased reading power the further down you look in the lens. As with all lenses, accurate measurements are essential for correct placement of your distance, intermediate and reading zones. If this is not done properly, you will have a very narrow field of clear vision find yourself “hunting” for a clear image.
These lenses are all unique in how the power transitions from distance to near. Some lenses are designed with wider distance and reading zones but have a very narrow computer zone, others have wide computer viewing zones but narrow fields of view at distance. The design choice is based on what you need the most. For those that need very wide reading areas and don’t mind a line, there are always traditional bifocals.
Higher end progressives will have less side blur because the prescription is controlled for points further from the centre. These digital progressives require precise measurements of the way your frame sits on your face and provide a optimal vision. There are also newer designs that equalize the magnification difference between lenses, this is especially important if your prescription is quite different between eyes.
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