What is the difference between prescription sunglasses and regular sunglasses

What are prescription sunglasses?

In the previous article, we discussed “Do cheap sunglasses protect your eyes?”. In this article, let’s talk about “What are prescription sunglasses?”.

Walking into the optical shop, we are not only attracted by the various styles of glasses but also those glasses that look like sunglasses but have the word 'prescription' marked. What are prescription sunglasses? What is the difference? How to choose?

What are prescription sunglasses?

Patients with refractive errors should choose prescription sunglasses. Prescription sunglasses are specially formulated according to the refraction of the wearer after optometry. People with good eyesight do not need to choose prescription sunglasses. Only those with refractive errors or presbyopia need prescription sunglasses. This kind of lens is not plain but can correct myopia, hyperopia, astigmatism, or presbyopia. Because these glasses need to be worn all day, both indoors and outdoors, color-changing lenses are used. There is no obvious difference in style between prescription sunglasses and normal sunglasses. But for lenses, there are bifocal lenses, focal progressive lenses, and presbyopic lenses. Prescription sunglasses can be made of a variety of materials, such as high refractive index materials, polycarbonate, plastic (CR-39), or glass. The first two materials are better and are used the most.(https://www.koalaeye.com/collections/polarized-sunglasses)

Can you get prescription lenses for sunglasses?

Under normal circumstances, sunglasses are flat and will not cause damage to the eyes. The lenses of myopia glasses are all concave lenses, which have a certain refractive power so that the image can be clear. Combining the two, the lenses with power are dyed through a special process to make myopic sunglasses. This kind of lenses can not only correct vision but also achieve the purpose of shading.

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Are prescription sunglasses worth it?

Prescription sunglasses allow myopic patients to wear sunglasses directly. However, not all myopia patients can wear prescription sunglasses. The degree of myopia sunglasses should not be too high. Otherwise, the lenses will be too thick, which will make the sunglasses inaesthetic. Compared with ordinary myopia glasses, the lens perspective rate of prescription sunglasses is lower, especially indoors, which will increase eye fatigue and affect vision.

While pursuing fashion and beauty, the quality of glasses is also very important. Prescription sunglasses must be able to resist reflection and glare very well, especially for drivers. If the prescription sunglasses are not good at resisting reflection and glare, it is difficult to see the road ahead clearly.

How to choose prescription sunglasses?

For everyone, there is actually no best choice. You can make a decision according to your needs, try-on, and price so that you can choose the best prescription sunglasses which is suitable for you. One of the prescription sunglasses is ordinary glasses, which have the function of clip-on sunglasses. These clip-on glasses are usually sold with glasses so that they match the size perfectly. Another option is color-changed glasses that will be dark in the sun. Some people really like these sunglasses because they don't have to use two different pairs of glasses. Others feel that these sunglasses are not dark enough, and their UV protection capabilities will vary. The last one is prescription polarized sunglasses. According to the individual's eye prescription, like the other two sunglasses, this one may have different UVA and UVB protection levels. People can consult an ophthalmologist for more advice.

Are prescription sunglasses good? Many factors must be considered to answer this question. If you want to choose a pair of prescription sunglasses correctly, you must go to a professional institution for optometry.

Thank you for your time in reading our passage “What are prescription sunglasses?”. For more information about sunglasses and eyeglasses, please continue to follow koalaeye.com. Also, it is welcome to share and forward to Facebook and Twitter.


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