How to Use Sunglasses Clip?

Sunglasses clip is a new type of glasses specially designed for myopic people. When using sunglasses clip, it can not only protect glasses from ultraviolet damage, but also reduce the burden of going out. When choosing Sunglasses clip, it depends on whether it has polarizing effect. As long as it is a regular brand, it will have polarizing test card, which can be known as soon as it is tested. In addition, whether there is ultraviolet function. If there is only filter function and no anti ultraviolet function, it can not avoid damage to the eyes.

Hazel eyes: What determines hazel eye color?

Hazel eyes are a bit of a mystery. For starters, people describe this beautiful eye color in many different ways. Some say it looks like hazelnut, while others call it golden or brownish green. One of the reasons it's so hard to describe hazel-colored eyes is that the hue itself seems to change, depending on what you wear and the type of lighting you are in. Also, although hazel eyes appear to contain hues of green, amber and even blue, these color pigments don't exist in the human eye. So where does this stunning color come from?

Advantages And Disadvantages Of Different Frame Materials

There are many different material among glasses frames. Today we will share with you about advantages and disadvantages of different glasses frame materials

Introduction And Structure Of Sport Goggles

1st - Introduction 2nd - Stucture

How To Identify Myopia And Pseudomyopia?

What is myopia? Medically speaking, myopia is one of the refractive errors in the middle of common, is due to congenital or acquired factors (e.g., do not pay attention to use eye sanitation, bad habits with the eye), make the eye diameter before and after the axial long, parallel light after entering the eye, focus on the retina, unable to form a clear image on the retina, resulting in blurred vision. What is Pseudomyopia? Pseudomyopia, also known as regulatory myopia, functional myopia, is due to a short period of time with the eye caused by excessive ciliary muscle continuous contraction, excessive regulation, the formation of regulatory spasm, so that the lens diopter increase, the eyeball in the myopic state, through relaxation, rest, dilated myopic intervention can return to normal vision.

Children and technology: Protecting your child's eyes

What Are Color Weak Glasses and What Are They Used For?

Color weak people, although they can see the colors seen by normal people, their ability to recognize colors is slow or poor. The color weak glasses, the color weak correcting lens, are designed and developed based on the theory of color weak complementary colors.

Plastic material knowledage

Plastic material knowledage

Different types of optical frames

Different types of optical frames

2021 The Importance Of Blue Light Filters

A pair of glasses with a blue light filter can resist the harmful purple and blue light effects produced by the digital screen, effectively acting as a sunscreen.

Wear Glasses Long Time Can Make Our Eyes Be Out Of Shape?

In recent decades, there have been more and more electronic products with more and more functions. Children and adults hold them in their hands all day as if they were part of their bodies. Our reliance on electronic gadgets comes at a price. They can damage our eyesight over time. Look around the classmate, colleague, not myopic person is less and less? Today, the number of myopia in China has exceeded 450 million, with 220 million teenagers. If you are nearsighted and can't see clearly, you have to wear glasses to make ends meet. So Wear Glasses Long Time Can Make Our Eyes Be Out Of Shape many people have different disagree?

What is the Difference Between SWIMMING Goggles and DIVING goggles?

Swimming goggles are a kind of equipment in swimming. When used, they are tightly fastened to the eyes. They can see things underwater and prevent swimming pool water from entering the eyes. Diving goggles are used to protect divers from choking water, protect eyes from water stimulation, and see things under clear water. Although their functions are similar, they are different in structure and principle, scope of use, methods and so on. Diving goggles can be used underwater and on water, while swimming goggles can only be used on water; Diving Goggles cover the eyes and nose, and ensure air tightness, while swimming goggles only protect the eyes from water, and the water tightness grade is low.