How Long Before A Retinal Tear Become A Detachment? | KOALAEYE OPTICAL

How Long Before A Retinal Tear Become A Detachment?

Will An Eye Mask Help With Dry Eyes? Leiendo How Long Before A Retinal Tear Become A Detachment? 4 minutos Siguiente How Do You Know What Strength Reading Glasses To Get?

Is it true that green film prevents blue light?

Some lenses filter out harmful blue light by reflective multiplayer coating. The lens has a bright blue-violet coating. Green film anti-blue lens relies on the lens material itself to absorb blue light. Therefore, it is impossible to know if the lens can really block the blue light only by looking at the film layer. Instead, it is necessary to use the test equipment of blue light blocking rate or ask the manufacturer to provide relevant experimental data. There is no problem wearing an anti-blue lens unless the user has a high demand for color authenticity, like painters, graphic designers, etc. Because when using anti-blue glasses to see white blue objects, there will be a certain color deviation. It is up to the above workers to make their own decisions.


Other problems with titanium frames

For the same volume of frames, alloy frames are twice as likely to break as pure titanium frames, and for the same weight, alloy frames break more easily than pure titanium frames.Therefore, some sellers have to add a lot of copper in alloy material and impure titanium material to increase the toughness of the frame, so that the alloy frame is easy to rust, and long-term wear will be eroded because of the salt in sweat.



Athletes wear non-prescription sunglasses.

Some people opt for non-prescription lenses for fashion reasons. Shatter-proof non-prescription glasses are popular among athletes. Cyclists wear glasses to protect their eyes from debris and to protect their eyes from the wind. Squash players may wear glasses to reduce glare on the squash court and to provide protection against ball collision or breaking up an opponent's racquet. Gun lovers can wear glasses to reduce glare in outdoor environments. Most non-prescription glasses do more than one thing, and safety is almost always a primary concern. These non-prescription sunglasses filter out harmful UV rays.


Polycarbonate vs Plastic Lenses: Which One Is Better?

From the above information, you may have learned some features of polycarbonate glasses and plastic lenses. So, do you know which one is better?

Here are some a few differences between both lenses to determine which one is better.

  • Polycarbonate lenses are more expensive than plastic glasses.
  • Polycarbonate lenses are very resistant to tint compared with plastic lenses which accept tints.
  • Polycarbonate glasses have inherent UV protection, while plastic lenses do not have.
  • Polycarbonate glasses have higher impact resistance and offer greater protection than plastic lenses.
  • Polycarbonate glasses are lighter than plastic glasses.
  • Plastic glasses have a higher optical clarity than polycarbonate lenses.

So, from the above part, you may have learned which one is better and you may have a decision of how to choose.



Semi-rimless glasse look more stylish.

Semi-rimless glasses are very stylish and more creative than rimmed glasses. Women looking for the perfect glasses will look more elegant and stylish in these glasses. The semi-rimless glasses are designed to make the wearer look the smartest. They are much better than rimmed glasses because they make you look more creative.


Shopping Skills of Blue Light Blocking Glasses

Some shop assistants recommend green-blue light-blocking glasses, explaining that the principle of tinting lenses is different and that you should be careful because green can not really block blue rays. There are blue-light-blocking glasses that are blue. And this belongs to blue light protection with no background color, which can not completely prevent blue light into the eye, usually only 20% to 30%.


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Bertoni polarized glasses

Bertoni polarized night vision driving glasses are made of strong, flexible, durable, and ultralight polycarbonate. Yellow polarization increases contrast, improves visual acuity, and filters out blue light. They are great for drivers, cyclists, and winter sports enthusiasts. The driving glasses with polarized yellow lenses block glare from headlights, reduce night driving glare, improve night vision, and improve color clarity and visual clarity. They are ideal for driving in low-light conditions. Most sports sunglasses glasses frames and goggles are made of polycarbonate because of their strong, thermoplastic, lightweight, and impact resistance features.

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