What Does Lens Category 3 Mean? | KOALAEYE OPTICAL

What Does Lens Category 3 Mean?

What Can I Use Instead Of Eye Drops? Reading What Does Lens Category 3 Mean? 5 minutes Next Best Drivers Sunglasses

Is Anti Glare Worth It?

Is anti glare worth it? To answer this question, you need to know the benefits of the anti glare glasses first. Anti reflective coating and anti glare coating offer many benefits and are definitely worth the extra cost, especially if you find yourself bothered by glare. They can help you see better, look better and feel better.

Here, we will list some of the benefits of the anti reflective coating.

  • They can improve your vision by reducing bothersome reflections and glare.
  • They can also provide comfort during prolonged computer use as the glasses for computer use.
  • They improve visual acuity by allowing more light to reach your eyes.
  • They can reduce the effect and symptoms of digital eye strain.
  • They make your eyes more visible behind your lenses.
  • They provide less glare when driving at night.

So, is anti glare worth it? From the above information, you can find that anti glare glasses or anti reflective glasses are worth the cost.


Who looks good in transparent glasses?

Transparent glasses look good on almost all face shapes and skin tones for both men and women. Due to their versatility, they can mix and match with almost every outfit on any occasion. They are neither too old-fashioned nor showy among the crowd. You can confidently carry them with your office look and also, there is no problem hanging out with your friends.



What factors make you receive glasses on the same day?

Are your lenses anti-glare or anti-scratch? This may extend the time it takes you to buy glasses. Is your prescription complicated? If so, it could mean your lenses take longer to make. Your favorite frames that you tried out at the store are just for display, so you have to order frames for your glasses. If that particular frame style is in small quantities at the factory, your delivery may be delayed. Some optometrist offices and eyewear retailers have in-house optics LABS. These LABS can make some eyeglass lenses in an hour or so. But the power and design of the other lenses needed to be manufactured by an external optics lab, which took more time.


Why are eyeglass frames are so expensive?

Plastic frames are often used for rimless glasses, but they are not very resistant to corrosion and break easily. The plate is a new type of plastic, and it is light and has high hardness, not easy to deform, but the surface is easily corroded by sweat. TR90 has features of wear resistance, good chemical resistance, solvent resistance, weather resistance, not burning, high-temperature resistance. Plastic steel does not contain any metal, but it is a kind of high-strength molecular material, lighter than TR90. They have a higher level in corrosion resistance and strength and other aspects. The frames made of good materials are more comfortable, durable, and textured in daily wear, and will not cause skin allergies. Plate, titanium, TR90, alloy are the most used materials on the market at present. The price is in dozens of yuan to hundreds, thousands of yuan.



The Pros of Transitions Lenses

First, we will show you the advantages of the transition lenses.

Transition lenses or photochromic glasses are quite cost-effective. With the transition lenses, you don’t have to buy two pairs of glasses: prescription glasses or normal glasses and you do not need to switch them frequently. So, they are also convenient and bring you great convenience.

Carrying two pairs of glasses means that you are much more likely to lose or misplace either of them. Having only one pair of glasses can limit the risk of losing glasses. In addition, transition glasses provide more protection than normal sunglasses. They can filter out a good deal of harmful UV rays from the sun so as to protect your eyes.

What’s more, transition glasses come in a lot of different styles, shades, and tints suitable for anyone’s taste, so it won’t limit your fashion and make you look more fashionable.


The disadvantages of progressive lenses

  1. The field of view in the near and middle distances is relatively narrow.
  2. The adaptation time is longer and patients with greater astigmatism are not suitable for wearing.
  3. The peripheral aberration is large, and there will be large astigmatism in the periphery.


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Progressive lenses and single vision lenses

Single vision lenses are the most commonly used prescription lenses. This lens type has a single field of view or a prescription ability of the entire lens and can be used to correct myopia (nearsightedness) or hyperopia (supervision).

Progressive multifocal lenses are lenses with different upper and lower powers for the upper part to see far, and the lower part to see near. The distance from the fixed power above the lens to the fixed power below the lens does not change suddenly, but there is a gradual transition between the two through the gradual change in refractive power.

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