Are bifocals cheaper than progressives? | KOALAEYE OPTICAL

Are bifocals cheaper than progressives?

Can You Get Clear Polarized Lenses? Vous lisez Are bifocals cheaper than progressives? 5 minutes Suivant does rayban make prescription sunglasses?

Boss Orange

Boss Orange has launched its new spring/summer 2015 eyewear series, and they include sunglasses and optical frames. The new glasses embody the brand's culture and stand out with a modern, fun look. These men's and women's sunglasses and optical frames are full of modern style and use special dyeing techniques to create an attractive effect. These sleek new sunglasses and optical frames come in sheet material, with a speckled Havana front that compares apparently with the strongly colored arms.


Which sunglasses are best for driving, polarized sunglasses or non-polarized sunglasses?

Polarized and non-polarized sunglasses are the same in the ability to protect against ultraviolet rays. But when you work as a driver, in addition to the front of the sun, sometimes there are highway road reflective lights, other car body reflective lights, and so on. Glare will make people's eyes uncomfortable and fatigue, and affect the clarity of vision, stimulating the eyes. Polaroid lenses can filter out light from different angles, so when you driving, is best to wear polarized sunglasses.



Method of taking off the contact lens

Wash your hands before removing contact lenses, and be careful not to leave long fingernails, to avoid contamination of the lenses by bacteria and nail scratches. Look up, open the upper and lower eyelids with the left index finger and right middle finger. Pinch the middle and lower edge of the lens gently with the thumb and index finger of the right hand, and remove the lens. You can use the index finger first to move the lens down, and then gently pinch the middle and lower edge of the lens with the thumb and index finger belly, and take off the lens.


Choose a frame for your face

People with round faces should try to avoid round frames, which can make your face look fatter. You can choose a square frame, having a decorated effect, and can make a person look more energetic. Circular lenses are recommended for square faces. Rectangular faces are also suitable for circular lenses. There are not too many restrictions on the choice of lenses for heart-shaped faces. Circular or square pieces are very appropriate, but you can choose slightly larger frames to add momentum and can create a retro sense.



KOALAEYE blue light glasses

We take classes online, telecommute and shop online... Cloud life has become the norm for people to work and relax. While it adds convenience, it helps increase the time spent staring at electronic screens, which increases the risk of eye health damage. The latest data shows that mobile Internet users spend 144.8 hours a month on average. Blue-light-blocking glasses are becoming more and more popular. Advertisements for these glasses claim that excessive exposure to blue light can cause a series of eye problems, like eye dryness, eye fatigue, and, in severe cases, loss of vision. In order to protect your eyesight, there is a kind of blue light shielding glasses on the market, claiming to protect against computer radiation and blue light. So what can you choose to prevent blue light glasses?

The material of KOALAEYE blue light glasses has the benefits of ultra-lightweight design, wear resistance, and low friction coefficient. KOALAEYE blue light blockers (with yellow tints) are effective at blocking 100% of the harmful UV rays and relieving eye strain, especially when watching TV and computer. They always pay attention to the quality of their products.


What are acetate glasses?

Acetate spectacle frames are the most common spectacle frames on the market. It has a light texture and good gloss, which is very popular among young men and women. Acetate frames are lighter and generally considered to be better than plastic frames. Acetate fiberboard is known for its Hypo-Allergenic, so it is a popular choice for people with sensitive skin. Unlike some plastic or metal frames, they can cause allergic reactions. However, you will find that acetate frames are usually more expensive than ordinary plastic frames. So what is the reason?

Acetate is one of the first synthetic fibers. It was not used to make glasses until the late 1940s. The higher the quality of acetate, the better the gloss and transparency. Not easy to burn is one of the biggest characteristics of acetate fiber. Also because of the non-combustibility of acetate fiber, this material can hardly be affected by ultraviolet radiation to change color, and can better maintain the gloss of the spectacle frame. Moreover, it is light and hard, and it is not easy to deform.


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The Disadvantages of Glasses Without Prescription

In this section, we will list some of the disadvantages of glasses without prescription. Even if you are a good candidate for non-prescription glasses, professional advice is recommended. It is not recommended to buy higher values without medical advice. If you need a different correction for each eye or have astigmatism, prescription lenses are more suitable.

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