Why Do Lights Look Blurry At Night?
Thu, Mar 17, 22 By : Koalaeye
What is a titanium glasses frame? Titanium is a metal that has long been used in aerospace, and even in cutting-edge defense because it is so strong and lightweight. Chemically stable, the material is widely used in artificial joints. One thing to emphasize, the titanium welding process is very demanding. The production cost of titanium and titanium alloy glasses is high, and the process has special high requirements in cutting, stamping, welding, and electroplating (for example, welding must be completed...

What is a titanium glasses frame?

Titanium is a metal that has long been used in aerospace, and even in cutting-edge defense because it is so strong and lightweight. Chemically stable, the material is widely used in artificial joints. One thing to emphasize, the titanium welding process is very demanding. The production cost of titanium and titanium alloy glasses is high, and the process has special high requirements in cutting, stamping, welding, and electroplating (for example, welding must be completed in a vacuum), so the price is relatively expensive.


Where to buy clear eyeglasses?

When shopping for new clear eyeglasses, you can easily feel overwhelmed by the endless racks of styles and brands. The way to access value is to buy from a store that offers great advice, where you’ll be told whether more expensive frames warrant their higher prices or that you’d do just as well with a lesser-known brand. Koalaeye Optical offers “Wear in Comfort, Look in style” eyeglasses and sunglasses. If you buy glasses online from us, you will get a huge variety of frame styles and colors. And the prices are highly affordable so they won’t burn a hole in your pocket.



The Types of Blue Light Glasses

Computer Glasses - Clear Lenses

First, we will show you the computer glasses which have clear lenses, These glasses are made to be used when working on your computer, smartphone or while watching TV. The best computer glasses can filter 5-30% of all blue light.

Night Driving Glasses - Yellow Lenses

When driving at night, the blue light glasses with yellow lenses would be suitable. These blue light lenses are good at removing more of the highest energy blue light, around 440 nm and they are also able to distinguish traffic lights when driving at night. These glasses can block around 65-70% of blue light.

Blue Light Glasses for Sleeping - Red Lenses

The blue light glasses for sleeping have red lenses. The best blue light glasses come with red lenses and they block 99.5%-99.9% of all blue light and a large amount of the green light spectrum, from 495-550 nm.

After knowing the different types of blue light glasses, we will show you how to perform the blue light glasses tests.


How Do Pinhole Glasses Work?

Compared to traditional glasses, pinhole glasses work differently. Traditional glasses correct your vision often by collecting rays of light as they enter the eye and forcing them to converge on the retina rather than behind or in front of it.

However, pinhole glasses limit the amount of light entering your eyes so as to enable people to see more clearly.



LensCrafters

LensCrafters is an internationally renowned eyewear retail chain brand. LensCrafters will carefully recommend the eyewear styles and functions that really suit the needs of consumers according to their own appearance characteristics and lifestyle. In addition, with the long-term cooperation with many fashion brands, LensCrafters, with its unique fashion sense, continues to provide exclusive limited-edition styles for Chinese consumers. At LensCrafters, they have the most progressive vision technology with a really personal approach to eye care, focusing on what brings joy to your life and your prescription needs. The digital eye exam provides a digital fingerprint of your eye and measures optical characteristics that pinpoint small changes that may occur over time.


What Do Pinhole Glasses Do?

Pinhole glasses are often used by eye doctors who use them as a diagnostic tool to quickly check for vision impairments. Of course, pinhole glasses are sometimes used to treat nearsightedness or astigmatism. Pinhole glasses are also used in conjunction with an occluder, an instrument used to cover one of your eyes while you read an eye chart. The occluder is solid, while the pinhole glasses have a number of tiny pinholes. So, the doctor often uses it to check the potential of your vision.

Pinhole glasses are often used to check corneal distortion and cataracts. A cataract evaluation includes focusing light in the eye to check if vision capability behind the cataract makes it worth performing surgery.



Identify the frames of discount glasses

Electroplating spraying refers to metal frames, all need to be plated on color. Spraying, the quality of this process, determines the quality of the frame. Glasses are not high-tech, but details like hinges -- the joints that open and close -- make a big difference between good and bad. The little screws inside, about four of them (hinges and nose pad), are important.Silk screen printing or laser engraving refers to the above logo or data, some of the silk screen, easy to sweat and fade, does not affect the use. Some laser engraving, basic will not fade, so, look at these details, can probably judge the stand or fall of the frame.

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