How Do I Choose Spectacles? | KOALAEYE OPTICAL

How Do I Choose Spectacles?

What Are High-Index Lenses?

High index lenses are eyeglasses lenses that are designed to be thinner and lighter than regular lenses. High-index lenses have a high refractive index than their conventional counterparts. So, they are generally recommended for people who have significantly high refractive errors and strong prescriptions for nearsightedness, farsightedness or astigmatism.

High-index lenses correct all types of refractive errors. And they are also available as single vision lenses, or a reading prescription that corrects presbyopia, such as in a bifocal or progressive lens.

High-index lens has a higher refractive index and which is ranging from 1.53 to 1.74. A lens with an index of 1.74 could be up to 50 percent thinner than a regular plastic lens with an index of 1.50.


Magnesium aluminum spectacle frame

One of the characteristics of magnesium-aluminum spectacle frames is that they are resistant to corrosion, sweat and wear. In addition, spectacle frames made of magnesium-aluminum are also rich in color and look very textured, so many business people like to use such spectacle frames to display Its own charm.



Recommended Glasses for Heart Shaped Face

Here, we will show you some recommended heart shaped face glasses.

Circular frames: The first pair of glasses for heart shaped faces we want to recommend is the circular frame glasses. Round frames provide contrast and can help to soften your angular features. They draw attention to your eyes and cheekbones and away from your chin or forehead.

Rectangular frames: rectangular frames are able to provide balance on heart shaped faces. They add structure to curvy features and can make your forehead appear narrower. These rectangular frames provide a professional look and don’t draw much attention to themselves.

Rimless and semi-rimless frames: as for glasses for heart shaped faces, rimless and semi-rimless glasses are recommended. Rimless glasses don’t highlight anything and let your facial features speak for themselves. Semi-rimless glasses can help balance your forehead and draw attention downwards to your jawline.


More and more people wear glasses frames, and the style and color of glasses frames broke through the traditional and stuffy model. They began to pursue fashion design and integrate into a variety of fashion elements. Let myopia glasses wearers can not only correct vision but highlight their different style temperament through the wearing of glasses.



Clear frame eyeglasses

Translucent material reduced the presence of thick frame glasses, more lively and playful. The transparent frame is not schoolgirl exclusive, and the clear design makes you feel cool in hot summer. At the same time, it will not overblock the facial features, making the face more delicate and clean. Small and pure and fresh frame naturally matches the dress of some of literature and art. Accordingly, the use scope of transparent glasses has a very big limitation, suiting tide man only.


Difference Between Blue Light Glasses And Regular Glasses

Studies have shown that blue light is present in many light sources in our lives, especially on screens like cell phones, computers, and televisions. The main health effect of blue light sources is the damage to the eyes. Long-term exposure to blue light sources may cause lesions in the eyes. The harm of blue light to human health can be prevented by corresponding new technology products. Among them, the anti-blue lens is one of them. So how to distinguish between blue-light-blocking glasses and ordinary glasses?


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Should I wear blue light glasses when using electronic products?

However, it's not just at work that we need to consider wearing blue light glasses. We can still use blue-ray blocking glasses when we're reading a book on a tablet, watching hot new shows on Netflix, or playing games with friends. It is suggested that when you are in front of a digital device, you should wear blue light glasses to help your eyes.

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