how much do bifocal lenses cost? | KOALAEYE OPTICAL

how much do bifocal lenses cost?

Is It Bad to Wear Reading Glasses When You Have Perfect Vision?

Can reading glasses hurt your eyes? This section will answer this question. One of the most common reasons for people to wear reading glasses is to see things clearly. If you read a lot or perform other tasks at close range for long periods, your eyes may feel strained. In general, strained eyes with near vision are associated with farsightedness. However, you might have similar symptoms just by observing something up close for too long. For this reason, reading glasses may be helpful.

However, do reading glasses hurt your eyes? No, wearing reading glasses should not hurt your eyes, even if you don’t have any problems with your eyesight. Meanwhile, it may take some time to get used to the reading glasses.


They can reduce glare.

They can absorb blue atmospheric scattering and provides more contrast. When performance is your top priority, the right lens tone can give you the results you want. UV rays are blocked by a special coating on the lenses. And inferior sunglasses not only cannot hold back ultraviolet rays but let lens permeable luminosity drops seriously, making pupil greens. Ultraviolet rays can shoot in large quantities instead, your eye is damaged.



Semi-Rimless/ Eye-Brow Glasses

Or so-called club glasses to look slim and elegant. Some people call them eyebrow glasses. They are semi-rimless glasses. They look cool for both men and women.


The history of chromatic contact lenses

Chromatic contact lenses, commonly known as color Lens, is a kind of Soft hydrophilic Contact Lens, belongs to the third category of medical devices. In 1971, Bausch & Lomb introduced the world's first pair of soft contact lenses. Before this, contact lenses are made of hard materials, with poor comfort, difficult to promote. Soon after, CIBA Vision made the lenses aqua blue to make them easier for users to operate. There were also special contact lenses with dark loops on the lenses, which were designed to help people with injured or defective eyes, like corneal white spots or iris defects, to conceal flaws, forming artificial pupils, so they were called beauty lenses.

Then, in the 1980s, American company Wesley Jessen (later bought by VisiCon) introduced the FreshLook chromatic contact lens, which used laser technology to print colored patterns onto the lens to change the color of the wearer's iris. Since then, contact lenses have been developed from a simple vision correction tool into a cosmetic with the effect of beauty makeup. It can brighten, enlarge, darken or change the color of the iris of the eye. At present, the common chromatic contact lenses are black, brown, gray, purple, blue, green, and so on. There are also a variety of color combinations or some special patterns.



Glasses are tools to protect your eyes.

Wearing glasses can relieve eye strain. Myopia without glasses will inevitably lead to eyes easy fatigue, so the result can only be a deepening of the degree. After wearing glasses normally, the phenomenon of visual fatigue will be greatly reduced. For young people, because the eyeball is still in the development period, regulatory myopia easily develops into axial myopia. Especially for high myopia, the diameter of the eyeball before and after is significantly prolonged. If the myopia is rectified by wearing a normal lens from the beginning, this situation will be reduced or even not occur. If people with Myopic did not wear lenses in time, it will cause ametropic amblyopia. So if wear appropriate glasses, after a longer treatment, most eyesight will be gradually improved.


Be sure to wear qualified glasses.

Many people are eager to buy glasses online without the necessary checks at a proper optical center for glasses. But, in reality, these tests are not only to replace glasses but to take responsibility for the safety of their own eyes. These cheap and inferior glasses will do a lot of harm to most myopic friends. If you wear unqualified glasses, it will cause visual fatigue, headache, dizziness, nausea, and other symptoms, vision loss. Severe cases can lead to amblyopia, strabismus, or other functional impairments.


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What Are Gaming Glasses?

Gaming glasses are designed for people who play video games on computers or gaming systems. Many gamers and e-sports competitors spend long periods in dark room and the blue light from the screen can affect their eyes. However, if they wear gaming glasses when playing computer games, they can protect their eyes because they provide anti-reflective coating, magnification, and blue light protection.

Gaming glasses with anti-reflective coating helps to reduce glare, which is light that reflects back into your eyes from a digital device. Reducing the amount of glare can help to make eye focusing easier, improve color contrast and potentially increase your reaction time.

Many gaming glasses add a small magnification power to their lenses, which can reduce squinting and eye strain.

The gaming glasses can also help to block blue light and improve your body’s circadian rhythm and improve your sleep quality.

So, you can find that gaming glasses are beneficial to your eyes. However, do gaming glasses work?

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