How Do You Wear A Face Mask With Glasses? | KOALAEYE OPTICAL

How Do You Wear A Face Mask With Glasses?

Choose cost-effective lenses.

People who have high degrees choose the lens with a high refractive index like 1.60. So that the child's nose will not be compressed, which is the concern of most parents. Children grow faster, and the glasses replacement cycle is short. Adults should choose better quality lenses when choosing lenses, because a pair of glasses can be used for years, even in the situation when the frames are badly distorted and the lenses turn yellow. Zeiss A series lenses are cost-effective, suitable for people who are short of money and want quality. Nikon lens quality is very good, the film, wear, and sharpness are excellent. The disadvantage is that it is expensive, and the price gradient is quite large. The price scope is a bit wide, with two different refractive indexes.


A round face fits on a square frame.

The human face of a round face is shorter. So they had better match the slender frames that take curves slightly to reconcile the whole feeling. Angular and square frames are helpful to modify facial lines (prominent longitudinal lines). This can promote strengths and avoid weaknesses so that your face appears contour.



Select the lens.

The choice of lenses is one of the matters to note with glasses. Teenagers are active and often do sports. They can choose resin lenses, which are light, durable, and not broken. For some adolescents with complex refractive conditions, it is best to customize the lens in the case of the need for custom lenses, to get the perfect pair of glasses. Choose the refractive index that is right for you. The thickness of the edges of the lens is related to the size and shape of the frames in addition to the refractive index. The original state of the myopic lens is a circle that is thin in the middle and thick around, and then it is ground into the shape that suits the lens frame. If the thinnest center is relatively far from the edge of your frame, that is, if that frame is large, the edge of the lens will be thicker.


With the user as the core, the personalized service of glasses is provided.

Users can actively participate in the innovation of the product. They pay attention to user needs. Consumption is the basis of production, and brand is formed on the basis of perfect experience and user sharing. Modern enterprises focus on the market on users, and users' experiences are the starting point for product development. No matter what kind of mobile terminal, it is highly customized. In smartphones, in particular, each phone number represents a specific person. Mobile applications can provide more accurate personalized services for different persons.



Different Types of Progressive Lenses

The first progressive lenses we want to introduce are computer progressive lenses, which are designed for clear vision in office settings. These lenses are ideal when using a computer for over 4 hours a day and help to reduce eye strain.

Computer progressive lenses are intended for indoor use and should not be worn over your regular glasses. The drawback to this is it requires you to have two separate pairs of eyeglasses.


How To Choose Better Night Driving Glasses?

Choose and buy glasses to use a special night with anti - strong night driving lens. The demand is to block 80-90% of the strong lights and harmful lights, and at the same time to make the road more clearly. Choose glasses with thicker lenses, they are more durable and protect the eyes of drivers against irritation and accidental breakage. As common sunglasses and color-changing glasses are only suitable for daytime wear, wearing them at night will seriously affect the driver's vision.

Common light yellow night driving glasses can only block a small amount of light, and is not very suitable for night driving glasses standards. Therefore, in the choice of lenses of night driving glasses, we must do the selection and demonstration of the national authority of the formal institutions to test products, to achieve the desired effect in actual use. Don't buy products that are not up to standards from vendors. Such products not only do not block the lights but may affect the driver to see the road ahead, affecting the safety of the train operation.


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Difference between green film and blue film

In addition to the usual hardening, anti-fouling, anti-reflection, anti-radiation, and other functions, the green film has remarkable anti-ultraviolet performance, suitable for people who work outdoors for a long time to use. In addition to the general hardening, anti-fouling, anti-reflection, and anti-ultraviolet functions, blue film’s anti-radiation ability is very good, and it is suitable for computer workers and other people affected by radiation greater.

The coated lenses were originally produced in green, mainly to distinguish them from the uncoated lenses. At 515 nm, the reflection increases the reflectivity by about 2%, so there is a contrast, and the green film is seen in the reflection. This film is the most standard anti-reflective film, and it is the best and oldest one available.

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