Magnesium aluminum spectacle frame
One of the characteristics of magnesium-aluminum spectacle frames is that they are resistant to corrosion, sweat and wear. In addition, spectacle frames made of magnesium-aluminum are also rich in color and look very textured, so many business people like to use such spectacle frames to display Its own charm.
The definition of titanium alloy is relatively broad. As long as it contains titanium material, it can be called titanium alloy. Therefore, the quality and grade of titanium alloy glasses frames are uneven, and the component of titanium alloy has a direct impact on the price of titanium alloy glasses. Titanium alloy glasses are made not to reduce the cost, but to improve the application performance of the material.
What is the difference between sunglasses and polarized glasses for fishing?
Ordinary sunglasses reduce the sensitivity of the light, reduce the intensity of the reflection, and reduce the glare of strong light. Wear the glasses to see where there is a reflection on the surface of the water, the reflection still affects the vision.
Polarized sunglasses used for fishing can not only reduce the sensitivity but also refract the reflections to prevent the strong light from stabling the eyes. Wearing polarized sunglasses to see the reflections on the water surface will not see the reflections. Also, you can see underwater fish and scenery ( Depending on the clarity of the water), it is not an exaggeration to say that polarizers are an enhanced version of sunglasses.
What Is a Prism in Glasses?
Prism is triangular and made of plastic or glasses for the purpose of dispersing light into a spectrum or changing the direction in which light is reflected.
Prism lenses are special lenses that are prescribed by eye doctors and infused into regular lens prescriptions. The prism glasses do not include contain any focusing power, and therefore cannot any refractive errors. So, one of the most common uses for prism glasses is to correct diplopia or double vision. Double vision means someone sees two separate images of a single object. The prism glasses help to align the two images and correct the problem. The prism glasses can be used to improve binocular vision and reduce double vision, headaches, reading difficulties, and so on.
Step-by-Step Glasses Size Guide
In this section, we will show you how to perform glasses measurements. But the first thing is to know what face shape you have. If you do not know, click here to have a check.
Then you need to know where to find the size measurement of your glasses. In general, you will find numbers that look like this 51-17-145 at the temples of your eyeglasses. Of course, these numbers come at different meanings.
The first number often refers to the lens width. Lens width is the horizontal diameter of the lens at its widest point. In optometry, another term is eye size.
The second number often means the bridge width. Bridge width is the part that joins the two lenses and sits over the nose. Some refer to this as the gap. The bridge width varies between 14 and 24 millimeters.
The third number often means the temple length. The temple is the arm that keeps the sunglasses on your face. That arm extends to the part that hangs on the ears. The length is usually 135, 140, or 145 millimeters.
Lens height measures the size of the lens vertically, that is from the top to the bottom of the lens. Although sizes may differ depending on the brand, the standard size is somewhere between 32 and 38 millimeters.
How to choose blue light blocking glasses?
Look at lens color. Ordinary lens and blue light blocking lens is the same yellow-green film, and they can be placed in light to identify the place.
Regular lenses have a yellowish tinge in the reflection of light. And anti-blue light glasses film color, there is the blue color in the yellow and green film, this is because of the reflection of blue light.
Look at the instructions. Check the specs and test reports of glasses. Look at the lens manufacturer's qualifications and whether the lens contains radiation.
What Are Horn Rimmed Glasses?
Horn rimmed glasses are a mainstay of refined eyewear. Their cultural popularity is a given, and they are widely known as the frames that Malcolm X wore while giving public speeches in the 1960s.
Why is it called horn rimmed glasses? Because the glasses are actually made from horns at an early time. Horn rimmed frames were originally made out of real horns, tortoiseshell, or ivory. Besides this, it is also a reference to the horned look, characteristic of the style.
However, nowadays, horn rimmed glasses are made from plastic designed to mimic horn and shell and they are more affordable. The horn rimmed glasses are not only defined by their frame material but also their style. Each pair has accented hinges near the temple of the wearer.