What are the progressive lens?
Progressive lenses, also called multifocal lenses, progressive addition lenses (PAL), varifocal lenses, progressive power lenses, graduated prescription lenses, or progressive spectacle lenses are corrective lenses used in eyeglasses to correct presbyopia and other disorders of accommodation. Magnifying power is added for intermediate and near vision so that progressive lens could be used both for reading and distance.
Advantages of progressive lens
Many people who are over 40 start wearing multifocal eyeglasses due to a kind of aging change in the eye called presbyopia which decreases our ability to see clearly up close. Progressive has its own benefits as follows, first, it provides clear vision at all distances.
Next, it eliminates frustrating “image jump” caused by bifocals, that is, objects abruptly change in clarity and apparent position when your eyes move across the visible lines in these lenses.
Last but not least, without visible “bifocal lines” in progressive lenses, they give you a more youthful appearance and make you see more clearly.
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