What Is Cvs Computer Vision Syndrome?
Wed, Apr 13, 22 By : Koalaeye
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...

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.


How To Choose Better Night Driving Glasses?

Driving at night has a high accident rate because of poor visibility, blinding headlights, and fatigue. Now the market exists a few main glasses: sunglasses polarizing lenses, Glasses that use or mimic the first generation of patented technology. So how do you compare the options between driving and wearing glasses?

Night driving lens is relatively special compared with daily driving lens, not only to prevent strong light and see the road more clearly. According to the national motor vehicle driver special glasses standards, QBT 2659-2004 daily light transmittance should be more than 8%, night light transmittance should be more than 75%. Be sure to consult customer service. Ask about the situation. Note that a pair of polarized sunglasses are not suitable for use at night, and the light transmittance must reach the national safety standards.



What Do the Numbers on Glasses Mean?

The first number on glasses frames is the eye size. It is the horizontal width of the lenses. In general, the number of eye sizes varies from 40 mm to 62 mm in most of the spectacle frames.

The second number is the bridge size. It is the distance between the lenses. Also, it is the bridge that rests upon your nose. Mostly, the size of the bridge on glasses frames would be from 14 mm to 24 mm.

The third number is the temple length. It is the length of the stems of the frame that rests upon your ears. It can be measured from hinge to the end tip of the temple. In general, the temple length in most cases is from 120 mm to 150 mm. The bridge and temple help the frame to comfortably fit on the face.

Meanwhile, if there are no numbers on glasses frames, do not worry. You can always measure your eyeglasses frame with a millimeter ruler. Sometimes, the tiny numbers are worn off or sometimes they are printed too small that you might have to use the magnifying glasses. If you have known the glasses numbers meaning, you can choose to measure them by yourself.

At the same time, to fit the glasses better, you can also choose to measure your face for glasses frames. After knowing the suitable size of glasses, you can choose to buy a pair of glasses online. Thus, Koalaeye Optical is recommended. It is an online glasses store and provides all kinds of glasses, sunglasses, and frames. What’s more, these glasses are stylish and cheap.


The advantages are not the same.

The cellulose acetate frame is acetate plastic, belonging to a kind of thermoplastic material, and it is a material for nearly 20 years. It is widely used in the glasses industry material. Now with the progress of processing technology, it can be divided into plate and injection molding. The acrylic frame of the propionic acid fiber belongs to a kind of thermoplastic material. The appearance is transparent. The main feature is that the material density is high. They are hard to burn and are not easy to change color, with Impact resistance. It has softness, dimensional stability, and good processing formability. Many high-grade plate glasses are based on these high-quality plates, so the quality is more reliable. It is designed for a large number of people and the pursuit of quality of life students, especially for women.



Silhouette Racing Collection 5502 BP 4540

With a metal frame and versatile blue, these Contour Racing series 5502 BP glasses will be your favorite glasses. The simple frame design ensures that these glasses are easy to repair. So you can wear it comfortably all day without enduring the endless squeezing and slipping of the substandard frame.


You can choose driving goggles.

The goggles partly filter the far-light from the car. Products sold online include glasses with yellow lenses and yellow translucent shades that clip onto car shades. Shades block out oncoming far-light, while glasses prevent rearview mirror glare from vehicles behind. Most of the light emitted by car headlights is short-wavelength ultraviolet and blue light. The yellow polyester blocks them while allowing the longer wavelengths of red and green light to pass through, making the headlights softer when seen through the goggles without reducing the brightness of the road and the surrounding environment.



How to Remove Coating from Glass Lenses?

To remove anti-glare coating from glass lenses, you need to prepare the following things: isopropyl alcohol, plastic scraper of some kind, salt water, water, plate or bowl.

Now, we will show you how to remove coating from glasses.

  1. Mix 5 parts of isopropyl alcohol with one part of saltwater.
  2. Place your glasses onto a plate and pour out the prepared solution just enough so the lenses are entirely submerged.
  3. Let it sit in the solution for an hour to soften the anti-reflective coating.
  4. Scrape off the anti-reflective coating using a plastic scraper.

After that, you have removed coating from glass lenses.

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