What are flash sunglasses?
Sat, Apr 09, 22 By : Koalaeye
What Are High Index Lenses? High index lenses are eyeglasses lenses that are designed to be thinner and lighter than regular lenses. High-index lenses have a high refractive index than their conventional counterparts. High index lenses are recommended for people who have significantly high refractive errors and strong prescriptions for nearsightedness, farsightedness or astigmatism. High index lenses are thinner, lighter and more appealing than standard lenses, but they come in several different indexes such as 1.67 high index lenses and...

What Are High Index Lenses?

High index lenses are eyeglasses lenses that are designed to be thinner and lighter than regular lenses. High-index lenses have a high refractive index than their conventional counterparts. High index lenses are recommended for people who have significantly high refractive errors and strong prescriptions for nearsightedness, farsightedness or astigmatism.

High index lenses are thinner, lighter and more appealing than standard lenses, but they come in several different indexes such as 1.67 high index lenses and 1.74 high index lenses. In this post, we will focus on the 1.67 high index lenses and 1.74 high index lenses.


Selectspecs

In addition to Ray-Ban, Vogue、Fendi, and other first-line eyewear brands, Selectspecs also owns many affordable and self-owned eyewear brands, among which Infinity is the representative brand of youth and fashion.

But the texture will not lose to a line brand. And the choice is very rich. The classic black-rimmed glasses, or the stylish metal-rimmed glasses, or the tortoise-shell glasses with a retro vibe, are brimming with youthful fashion.

The fashion sense of Infinity is stronger, in line with the aesthetic of young people today. There are many fashion trend items, very suitable for building your personal image. There are many styles of glasses, such as classic black frames and popular gold frames.



The price of prescription glasses

You need a current (unexpired) prescription to order glasses online. You will enter your prescription and select the available lens options during checkout. Prescription glasses start at about $40. Single vision lenses are free when you buy the frames, and progressive wireless lenses typically cost an extra $80 or so. Other lens options include clear lenses with no extra charge, basic tone lenses (for sun protection) with the price of $40,polarized-tone lenses (for protection and glare reduction)with the price of $50, and transition lenses (for indoor and outdoor use) with the price from $65.


Silhouette Rimless 5515 (7799) TMA The Must Collection

These highly stylish lightweight rimless glasses provide a sense of freedom and independence with a clean and professional look. With rimless technology, it's so clear you barely notice you're wearing it. The unhinged ends are easy to adjust and the sturdy frame has corrosion-resistant titanium durability. It provides a lightweight and professional look outline. But the intricate temple details, lively color choices, and thoughtful decor add refinement to your glasses.



Banton Frameworks

The frames use the best acetate from the best suppliers in Europe. The factory that produces acetate is located in northern Italy. Although there are many other acetate manufacturers, they are arguably the best at what they do. In that industry, their acetate has been used in optical manufacturing since 1849.


Should I wear glasses all the time for myopia?

Whether it is false myopia or true myopia, as long as a pair of suitable myopia glasses are used to complement the missing refractive power of the lens, the image of the object can fall on the retina again, and the distant objects can be seen again. Adolescents usually use high eye intensity and often wear myopia glasses, so that the ciliary muscles do not need to be 'so tired' to adjust, which can avoid further aggravation of pseudomyopia. However, adolescents are still in the process of development, and the degree of true myopia will gradually increase with age. Therefore, as the degree of myopia develops, refraction should be performed at regular intervals, and appropriate glasses for myopia can be prepared to prevent false myopia.

For adults under 200 degrees, because the degree is relatively light, they can wear glasses when they are looking at the distance and not wear glasses when they are near, which has little effect on vision. But for adults with high myopia, because of the weak adjustment ability of the eyes, it is recommended to wear glasses regardless of near vision or distance vision.

In summary, wearing myopia glasses is to reduce eye fatigue and prevents the occurrence of false myopia. Wearing myopia glasses from time to time may aggravate the degree of myopia, and wearing them often does not cause a burden on the eyes. Therefore, for myopia glasses, wearing them frequently is the most correct way to wear them.



What are night driving glasses?

Night driving glasses are usually non-prescription glasses with yellow lenses and can be bought in many optical stores or online. Lenses range in color from light yellow to amber, and some night driving glasses have an anti-reflective coating. The yellow night driving glasses have been manufactured and sold for decades. They were originally sold to hunters as shooting glasses because they gave birds a sharper contrast to the sky on overcast or overcast days.

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