what are progressive lenses

What Are Progressive Lenses? Definition, Advantages and Disadvantages

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Eyeglasses come with various types including a single-vision lens with one power, bifocal or trifocal lens with multiple strength over the entire lens.

If you need strength in your lenses to see far and close objects, you need a pair of glasses with the bifocal or trifocal lens with multiple strengths. If you need a no-line multifocal lens, a progressive additional lens might be a good choice.

What Are Progressive Lenses?

Progressive lenses also called multifocal lenses, have three prescriptions in one pair of glasses, which allows you to see near, middle-distance, and far objects without changing your glasses.

The traditional glasses have telltale lines in the lenses, while the progressive lenses are an update on bifocal and trifocal lenses. Progressive lenses have a seamless look. Sometimes, they are called no-line bifocals. The more accurate name is no-line trifocals.

Progressive lenses are typically designed for people over 40 years old who are both nearsighted and farsighted. With the progressive lenses, there is no need for you to change the nearsightedness eyeglasses and the farsightedness eyeglasses constantly.

What Are the Advantages of Progressive Lenses? 

 We have shown what the progressive lenses are in the above part. Do you know what the advantages of progressive lenses are?.

1. Only need a pair of eyeglasses. As mentioned in the above section, with progressive lenses, you just need a pair of eyeglasses and there is no need for you to change different glasses constantly.

2. No unsightly bifocal line. Progressive lenses come with the multifocal lens without a multifocal line. And there is a smooth shift in lens strength, you don’t have to deal with any sudden changes in clarity.

3. More comfortable. Due to no visible line, you might feel more comfortable with a progressive lens. 

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What Are the Disadvantages of Progressive Lenses?

In this section, we will show you some progressive lenses disadvantages.

1. You must learn how to see through the lens. Since there is no visible line in progressive lenses, you may need one or two weeks to learn the correct way to look through the lens.

2. Temporary vision distortions. The lower part of a progressive lens is magnified since it is designed for reading. So, when you look downward when stepping off a curb or walking upstairs, your feet may appear larger through the progressive lens so that it is difficult for you to gauge your step.

3. Progressive lenses are expensive than traditional glasses. So, when you purchasing the progressive lenses, you can compare several different optical stores. In addition, Koalaeye Optical, a professional glasses provider, offers various glasses including cheap progressive lenses, sunglasses, blue light glasses, and so on. Besides, it provides the free shipping service.

To sum up, this post has shown the progressive lenses meaning and shown the advantages and disadvantages of progressive lenses. If you any different ideas of progressive lenses, you can share them in the comment zone. If you have any problems with glasses or progressive lenses, don’t hesitate to contact us via the email service@koalaeye.com.

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