What causes farsightedness? | KOALAEYE OPTICAL

What causes farsightedness?

To protect the lens.

Avoid getting chemicals on your glasses, and if you do, rinse with water immediately. If there is sweat and grease on the glasses, they should be washed to avoid corrosion. Do not use clothes or towels to wipe the lenses. Rubbing the lens with a rough cloth can cause scratches on the surface of the lens. So it is best to use special glasses cloth when you wipe the lenses, and when you wipe the glasses, you must hold the glasses on one side of the frame with your hand, and then gently wipe the glasses with the glasses cloth. Remember not to overexert, otherwise, it is easy to cause frame and lens damage.


Disadvantages of Metal Frames

Metal frames may cause the skin to be sensitive easily. Generally, if the skin allergy to metal, they can choose titanium, but the price is pretty expensive. It may cost thousands of yuan. The frame of the other alloy is not too expensive. Sweat will make the screws and temples of the metal rust, affecting the appearance, which is bad for the skin.



The Disadvantages of Aspheric Lenses

Here, we will show some disadvantages of aspheric lenses.

The aspheric lens has a relatively small light area. When the eyeball rotates around, it will blur a little when looking at the outside through lens edge. In other words, the visual range of the line of sight becomes smaller.

Human’s eyeball is spherical and the eyeball rotates to the edge. Through aspheric lenses, the objects near the eye appear protruding.


How to choose blue light blocking glasses?

While trying it on, look at the electronic screen from a distance to see if it stimulates your eyes. Holding the glasses in front of a display screen or under an LED light to see if they reflect blue light on the surface of the lens. It shows that blue-blocking glasses can block blue light. The special blue light flashlight shines on the white cardboard through the lens, the blue light that passes through the blue-blocking lens is noticeably dimmed, while the blue light that passes through the normal lens is not changed at all, which is what the blocking blue light does. You can go to a professional eyeglass shop to detect instruments through the spectrum of professional authority, and the best blue light blocking rate is between 60%-70%.



Choose the frame according to the hairstyle

If there are bangs, the upper edge of the frame should avoid contact with hair. If it is curly hair, it should be noted that the frame should not be too large so that the frame edge contacts the hair.


h3>Types of Colorblind Glasses

Colorblind glasses come in different tints based on the type and severity of color blindness you have. If you have some eye conditions such as short sightedness or long sightedness, you may need a pair of prescription colorblind glasses. If you do not have other vision problems, you may just need a pair of non-prescription colorblind glasses. And the non-prescription colorblind glasses are cheap than the prescription ones.


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FASHION OPTICAL

The founders of FASHION OPTICAL thought glasses are an art. Space design, color, tone, and designer of the glasses are all visual fusion from concept to creation. They provide the best customer service and got a wonderful reputation. From the conservative exotic to all over the world, they have the coolest glasses. Anyone can reach it. In 2012, Morgan launched them.GIANNI sunglasses line drafted and designed by Morgan. They use only the best acetate, which is made personally and produced by the famous Marzuchelli factory in Italy. Many Hollywood celebrities have used this collection.

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