How Can I Make My Glasses Tighter In My Head?

What Are the Advantages of High-Index Lenses?

In this section, we will show you the advantages of high-index lenses.

1. Thanks to the slim shape and narrow edges, high index lenses offer wearers the flexibility to choose from a wide array of fashion-forward frames. Their size means that they can be easily paired with sleek metal frames or incorporated into rimless eyewear for an attractive barely-there look.
2. High index lenses are more comfortable for extended use because they are lighter than the traditional counterparts.
3. High index lenses are available with many of the same options as traditional lenses. For example, they can be either single-vision or progressive.
4. For users with strong prescriptions, high index lenses mean no bulky, bottle-glasses appearance. This can reduce the unwanted bug-eye look traditionally associated with very thick lenses.

However, there are some negative voices of high index lenses.

Are night driving glasses good?

The color of night driving glasses can be selected from yellow to amber. Yellow lenses will reduce the light entering the eyes and reduce visibility. At night, this can be harmful. The lens filters out a lot of glare, but also filters out other visible light, making it difficult to see objects in dim or dark conditions.

Some people who wear night driving glasses say that they are more capable of seeing things at night. However, related test studies have shown that driving glasses at night does not improve night vision, nor can it help drivers see pedestrians faster than when they are not wearing glasses. A small study in 2019 showed that night driving glasses actually slow down the visual reflex by a fraction of a second, making night vision worse. So don't try to improve the safety of driving at night by wearing driving glasses with this kind of yellow lenses.

Does wearing sunglasses at night help driving? Like night driving glasses, sunglasses will reduce the amount of light entering the eyes, which makes them unsuitable for night driving and potentially dangerous.

Powerful Function of Lens From KOALAEYE

The lens is flat with high clarity. The glasses have an anti-scratch coating, an anti-scratch coating on both sides of the lens, which can effectively reduce the wear of the lens and prolong the service life of the glasses. However, the scratch-resistant coating is not 100% scratch-free but is more scratch-resistant than uncoated lenses. They have Super Hydrophobic coatings, Oleophobic coatings, and ultraviolet protection functions. Glasses are not only fashion accessories but super weapons to protect eyes and restore clear vision.

Polycarbonate vs Plastic Lenses: Which One Is Better?

From the above information, you may have learned some features of polycarbonate glasses and plastic lenses. So, do you know which one is better?

Here are some a few differences between both lenses to determine which one is better.

• Polycarbonate lenses are more expensive than plastic glasses.
• Polycarbonate lenses are very resistant to tint compared with plastic lenses which accept tints.
• Polycarbonate glasses have inherent UV protection, while plastic lenses do not have.
• Polycarbonate glasses have higher impact resistance and offer greater protection than plastic lenses.
• Polycarbonate glasses are lighter than plastic glasses.
• Plastic glasses have a higher optical clarity than polycarbonate lenses.

So, from the above part, you may have learned which one is better and you may have a decision of how to choose.

Does glasses make your eyesight worse?

If you wear suitable glasses, pay attention to eye hygiene, and your myopia can be stabilized to a certain level. If you do not pay attention to eye hygiene, or if the glasses for myopia are not suitable, the degree of myopia will increase. If you wear myopia glasses but don't wear them for a while, or usually put them in your pocket and wear them when you look at distant objects, it will also deepen the degree of myopia. Therefore, the deepening of the power is not caused by glasses but is caused by not wearing suitable glasses frequently.

For collection

Glasses' material and styles are constantly updated. It is more and more light and more beautiful. Early glasses may have become antiques. You might as well collect your retired glasses according to the time and story, and attach the tragic history of the glasses. Perhaps many years later today will become a beautiful memory. You might as well try the nostalgic and literary style.

Crystal clear eyeglasses

The trend is to make everything bright and clear. Frame shapes can be small and round or thick. Some have subtle colors like blue or gray, which makes the glasses look more jewel-like. Whichever you choose, a clear frame will help improve your style. Transparent, translucent frames have gone from being a bold fashion statement to a common, versatile option in the last few years, and now eyewear has more options than ever before. These frames vary from heavy traveler style to a more elegant corner frame to balance out your facial features. No matter what color or hue you choose, these clear frames show off your personality.