Why Do I Get Dizzy Looking At Computer Screen? | KOALAEYE OPTICAL

Why Do I Get Dizzy Looking At Computer Screen?

Westie Dog Eyeglass Holder

The spirit of Westie is captured by this adorable dog frame, which stands about 4.5 inches tall and can be fitted with glasses, sunglasses, and so on. This dog frame is a great choice for children's frames. It uses high-quality resin designed and manufactured in the UK. Each dog spectacle frame is hand-painted and comes in a gift box.


Does a long-face suit wear transparent glasses?

A long face gives people a sense of being relatively thin, so it is best not to wear a transparent, thin frame, or it will show a longer face. It is best to wear glasses with wider rims and darker colors. Compared with women and men, because the overall image of the difference is relatively large, in the selection of glasses, it is best to foil the characteristics of the face and highlight the overall contour of the face. At the same time, the man with a lighter skin color can choose a lighter color frame like the tortoiseshell gold silver frame. People with dark skin color can choose a heavier color frame, like red, black, and so on.



Do blue light glasses actually block blue light?

Anti-blue light glasses are still popular on the market. This kind of glasses is said to be 'anti-radiation and anti-blue light', but this kind of hot-selling anti-blue glasses has many problems. At present, such anti-blue glasses mainly block or absorb blue light through special materials, but there are two misunderstandings in its blue light protection. One is that the protection is not preventable, and the other is that the color cast caused by the wrong protection makes visual fatigue aggravated. Studies have shown that our eyes are the most intolerant of blue light in the 400nm to 440nm band. Therefore, current manufacturers mainly block blue light in this band when producing anti-blue glasses. But the electronic products that we often come into contact with nowadays produce blue light between 450 nanometers and 490 nanometers, and anti-blue glasses have almost no protection in this wavelength. Generally speaking, the blocking rate of anti-blue glasses is 20% to 30%, but now the blocking rate of anti-blue glasses on the market basically reaches 80% to 90%. This high blocking rate can also easily cause a color shift. , It is easier to make the eyes tired.


Different Type of Lenses: How to Choose

High-index lenses: These lenses are thinner and lighter than CR-39 plastic lenses because they have a higher index of refraction and may also have a lower specific gravity.

Trivex lenses: Trivex lenses are made from a newer plastic that’s similar to polycarbonate lenses. They are lightweight thin, and impact-resistant.

Aspheric lenses: Aspheric lenses have various degrees of curvature, which means they can be thinner and flatter so you can use a much larger portion of the surface.



How Do Bifocal Glasses Work?

After learning some basic information about bifocal lenses, you should know how the bifocal glasses work.

With a pair of bifocal glasses, it would be convenient since they combine all your vision needs into a pair of glasses and you do not need to switch two pairs of glasses frequently. Bifocal glasses are usually designed to for those people who are over the age of 40-45 that need additional help with their near vision due to the effects of presbyopia where the crystalline lens inside the eye naturally begins to lose its ability to focus on near objects.

If you work in the office, you may need a pair of bifocal glasses. The top distance vision in the top of the lens can be used for meetings or presentations and the near vision in the bottom of the lens can be used to look at the computer screen or at documents.


Marc Walks pure titanium rimless glasses

The detailed processing lets you experience the perfect quality. They areβ titanium pure titanium ultra-light rimless myopia glasses, the new silica gel temple tips, and rivet design, and they will not deform with many twists and turns. The silicone material is safe and non-toxic. They have a non-screw design, so installation is not loose, and the lens is stable and not shaking. The lens is not in direct contact with metal and is not easy to break. The degree is not limited, so 1500 degrees below can be installed.


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What kind of frames can working women choose?

If you are a heart-shaped face, the selection of the frames is different. Of course, to look relatively stable and mature, you can choose some simple frames, like square frames. You can choose gold or black gold, black silver line. Or the kind of slightly Japanese style of small round one, looking more literary and young. The frame can choose pure titanium, relatively light and quality will be better. The choice of the frame should be carried out according to the different working environments. If you are a teacher or doctor, you should choose low-key, elegant frames. If you're a freelancer who needs to show off your personality, you can pick up trendy frames.

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