What Are Yellow Tinted Glasses For? | KOALAEYE OPTICAL

What Are Yellow Tinted Glasses For?

How to clean a contact lens case?

Avoid cleaning contact lens cases with running water. Tap water contains a number of chemicals that can be harmful to contact lenses, as well as microorganisms such as bacteria. Please rinse and disinfect with boiling water. Use contact lens solution before cleaning. Let it dry. Make sure the contact case dries naturally before you use it. Stay away from cosmetic bags. It is to avoid that your contact lens case is contaminated by cosmetic bags. Some dust from cosmetic products can easily contaminate contact lens cases, so stay away from cosmetics.


What Are Transition Lenses?

Transition lenses, also called photochromic glasses are eyeglasses lenses that change their colors with light. The transition lenses darken in the sunlight and lighten in the softer light or the dark. These transition lenses provide the convenience of sunglasses without having to wear them over your prescription glasses and having to constantly switch between the two.

But there are some common transition lenses problems. So, we will list some of them. Are transition lenses worth it? After reading this post, you will find them.



Where to Buy Glasses for Big Heads?

After learning which eyeglasses frames are suitable for big heads, you may ask where to buy them. To buy them, the online glasses store - Koalaeye Optical is recommended. It provides all kinds of glasses, eyeglasses and frames. What’s more, these glasses frames are cheap and stylish. You can also get the prescription glasses online and they will be mailed to you with great convenience.


Is It Bad to Wear Reading Glasses When You Have Perfect Vision?

Can reading glasses hurt your eyes? This section will answer this question. One of the most common reasons for people to wear reading glasses is to see things clearly. If you read a lot or perform other tasks at close range for long periods, your eyes may feel strained. In general, strained eyes with near vision are associated with farsightedness. However, you might have similar symptoms just by observing something up close for too long. For this reason, reading glasses may be helpful.

However, do reading glasses hurt your eyes? No, wearing reading glasses should not hurt your eyes, even if you don’t have any problems with your eyesight. Meanwhile, it may take some time to get used to the reading glasses.



Adjustment of the upper and lower position of the nose pad

The nose pad can be pulled up and down with the pliers of the nose pad to achieve the purpose. You can use needle-nose pliers to clamp on the nose pad and apply torque in a certain direction to change the upper and lower position of the nose pad. When applying the torque, the nose pad can be pressed down or pulled up by the pliers to change the position of the deformation of the bracket, to prevent repeated deformation and fracture near the solder joint.


Linda Multi Focus ™ Blue

Combining color and pattern, these women's reading glasses are definitely a stylish choice. The complex square frame features scratch-resistant and impact-resistant lenses with UV sun protection when worn outdoors, while a leopard print hard-shell with interior markings and a handy cleaning cloth will protect your glasses.


Prix de venteA partir de
Prix de venteA partir de


Transitions® Photochromic Lenses

When you step outside, it immediately begins to darken. The lenses help prevent harmful blue light from digital devices, screens, and sunlight to help reduce glare and prevent eye strain. They have the function of 100% UV blocking,anti-reflection treatment with blue light protection. They can constantly adapt to changing daylight conditions to reduce excess light and optimize color contrast and polarized light to prevent dazzle. They filter out excess light to provide maximum comfort. And provide high contrast and minimize glare. They provide increased color recognition and depth perception.

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