What are the 7 causes of blindness? | KOALAEYE OPTICAL

What are the 7 causes of blindness?

Do you need to wear glasses to drive?

In the evening, lights from street lamps, buildings, and other vehicles create a lot of reflection on the windshield, making it hard to see. It's even worse when it rains. But if your glasses have an anti-reflective coating, they can reduce the glare and reflections, allowing you to see more clearly while driving at night.


How to repair rimless glasses?

First, insert the wire into a small hole in the glasses near the bridge. Pass it in and out near the bridge, then repeat the process on the other side near the temple. Once you have the thread locked, you can place the lens. Insert it into the frame and place the wire in the built-in groove. Tighten the wire so it holds the lens perfectly, then trim it to the left. Reinsert the lens into the rimless glasses. Do not try to force it back in. The best way is to cut the wires completely and replace them with new ones. Use the same process as replacing wires. To prevent glasses from popping out, tighten the wires regularly.



Armani glasses

As a sub-brand of luxury Armani, it is a high-end eyewear brand. It is representative of exquisite quality and noble luxury, and it pays attention to details and displays noble temperament. The handmade frame, superb craft, and workmanship make the charm of the Armani spectacle frame show in front of everyone. The medical environment-friendly silicone nose pad is designed according to the structure of the human nose bridge, which not only fits the nose more but is very comfortable. The prices of the Armani frame are basically around 1500 yuan.


Eyeglasses in brick-and-mortar stores cost extra.

In order to attract the attention of customers, physical optical stores need to carry out store decoration, and customers need to buy glasses to share the cost, so the glasses in physical stores are more expensive. Physical optical stores have other expenses, such as electricity, employee costs, rent, and so on, which is a big expense, naturally, but also to the customer to share. These are invisible consumption and need to be tied to the customer.



How Do Varifocal Lenses Work?

Varifocal lenses work by changing power from the top to the bottom of the lens. Moving your eyes up and down, the varifocal lens will give you clear vision at all distances you need. This means if you are using a cash machine, you would be able to view the keys, screen, your card and then continue to walk down the street.


What's the use of color-changing lenses?

Photochromic lenses are lenses that are transparent indoors (not unlike our usual lenses) but darken when exposed to ultraviolet light. When no longer exposed to ultraviolet light, the lens will return to its original transparent state under the influence of ambient temperature. Color-changing lenses provide UV protection. It can provide adequate eye health protection, reducing exposure to sunlight. And it can reduce the risk of cataracts or other eye diseases. People who wear glasses, only need to have one pair of glasses indoors and outdoors in the sun, and they do not need to change glasses frequently.


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Oval face with glasses of various shapes

The oval face is the most perfect face shape. Whether it is size, shape, or contour, it is a more perfect face shape There are many types to choose from, and there are basically no minefields. But be sure to pay attention to the size of the glasses. Sometimes the size of the glasses is also very important. if you are not careful, it will highlight the incompatibility of your facial features. So make sure your glasses are not too big or too small. You should judge the size according to their face shape.

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