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1.56 Progressive Anti-Blue Light Optical Lens with Green Coating - High-Definition Glasses from China Suppliers & Factory
Historical Background
Progressive lenses are developed on the basis of bifocal lenses. The use rate in Europe and the United States is relatively high, and the time of matching in China is nearly 10 years. The progressive piece is in the transition of the upper and lower two focal lengths, the use of polishing technology, the gradual transition between the two focal lengths, that is, the so-called gradual, it can be said that the progressive lens is a multi-focal length lens.
When the wearer observes far/near objects, in addition to not having to remove the glasses, the movement of sight between the upper and lower focal lengths is also progressive, there is no dual-focal length when the eye must constantly adjust the focal length fatigue, and there is no obvious dividing line between the two focal lengths. The disadvantage is that there are different degrees of interference areas on both sides of the progressive film, which will cause the peripheral visual field to produce swimming motion.
Characteristic
1.56 Main features of progressive anti-blue lens:
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1.56 Refractive Index Suitable for mild to moderate myopia or farsightedness patients, the lens is relatively thin and lightweight.
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Progressive Design Provides different degrees from top to bottom, suitable for presbyopia patients, and can see far, middle and near objects at the same time, without frequent replacement of glasses.
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Anti-blue Light Coating Effectively filters the harmful blue light emitted by electronic devices, reduces eye fatigue and dryness, and protects the retina.
Applicable population
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People who use electronic devices for a long time: Such as office workers, students, etc.
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Presbyopia: People who need to correct both farsightedness and nearsightedness.
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Eye health: People who want to reduce the damage blue light does to their eyes.
Advantage and Precautions
Advantage:
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Versatile Corrects vision and protects blue light at the same time.
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Convenience Progressive design eliminates the need for frequent mirror changes.
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Comfort Reduce the fatigue of the eyes for a long time.
Matters needing attention:
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Adjustment period: The first use of progressive lenses may take time to get used to.
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Professional optometry: It is recommended to take optometry in a professional institution to ensure the accuracy of the degree.
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Lens care: Clean regularly to maintain anti-blue light effect.
Progressive lenses are a powerful and beautiful vision tool for people who need multi-focal correction.
Frequently Asked Questions
What is the difference between progressive lenses and traditional bifocals?
Unlike traditional bifocals which have a sharp, visible dividing line between two focal lengths, progressive lenses use advanced polishing technology to create a gradual, seamless transition between the upper and lower focal areas. This eliminates sudden image jumps and reduces eye adjustment fatigue.
What are the benefits of 1.56 index progressive anti-blue lenses?
The 1.56 refractive index makes the lenses relatively thin and lightweight, ideal for mild to moderate vision correction. Additionally, the integrated anti-blue light coating filters out harmful blue light from digital screens to alleviate eye strain and dryness.
Who is the ideal candidate for progressive anti-blue lenses?
They are highly recommended for presbyopia patients who need vision correction for multiple distances (far, middle, and near) simultaneously. They are also ideal for heavy users of electronic devices, such as office workers and students, who want to protect their eyes from blue light.
How long does it take to get used to progressive lenses?
Because progressive lenses feature transitions across different focal zones, there is a natural adjustment period for new wearers. Most people adapt within a few days to a couple of weeks as their eyes get used to looking through different parts of the lens.
Why is professional optometry crucial for progressive lenses?
Progressive lenses require precise mapping of your focal needs from top to bottom. Getting tested at a professional optometry institution ensures the accuracy of the prescribed degrees and alignment, which is critical for comfortable vision and minimizing the swimming effect on peripheral areas.