Polycarbonate vs High Index: What Are the Differences?
Here, we will briefly show some differences between polycarbonate lenses and high index lenses. If you are looking for thinner and lighter lenses, high index lenses would be a good choice. High index lenses are strongly recommended for those people who require a strong eyeglasses prescription for common vision problems, such as nearsightedness, farsightedness, or astigmatism. Besides, you need to know that the stronger prescription, the thicker the edges of the lenses. So, high index lenses are good choices because they are slimmer and lightweight.
Polycarbonate lenses are an ideal option for children’s eyewear since they are tough, lightweight, tough, and durable. Because of their durability, polycarbonate lenses are much less likely to break or fracture than even high index lenses.
So, from the above information, you can know the differences between polycarbonate and high index lenses. With these differences, you have known how to choose the lenses when prescribing a new pair of eyeglasses.
If you want to get a pair of new eyeglasses, you can choose to go to the local optical store. However, nowadays, you can choose to prescribe glasses online. This gives you great convenience. If you want to get a pair of new glasses online, Koalaeye Optical may be a good choice for you, which is a professional optical online store, providing all kinds of glasses or sunglasses, such as blue light blocking glasses, progressive lenses, driving glasses, and so on. In addition, Koalaeye Optical provides a free shipping service.
Can I use my prescription for contact lenses?
You cannot and should not use your glasses prescription to calculate your contact lens prescription. It's important to note that not everyone who needs glasses can wear contact lenses, and it's important to check them separately. Some people have sensitive corneas or other eye complications and never get used to wearing contact lenses.
About the Glasses Direct
Glasses Direct is an online professional eyewear shopping site based in the UK, with the leading online sales volume in Europe. Over the past five years, its online sales have increased by 50%, and it has had more than a million customers. Since 2004, they have been providing affordable glasses with uncompromising quality and professional service. The frames selected included big brands like Ray-Ban and Oakley and came in a variety of shapes and sizes. Its main goal is to provide a convenient option for people who need corrective glasses.
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.
The best frame is the one that suits you.
You can choose the full-frame, because the edge of the lens is relatively thick, which can block the thickness of the edge, so it is suitable for high myopia to choose. They can choose a smaller frame. The size of the eyeglass frame should match the pupil distance so that the edge thickness of the lens is thinner and they are more comfortable to wear. The size of the frame should be proportional to the size of the face. The upper edge of the frame should not be higher than the eyebrow and the eyebrow should not be visible in the lenses. The shape of the frame should match the face shape and skin tone to meet aesthetic requirements. Everyone's face size is different, so the smaller the frame is, the better, based on what fits you and what you like.
Sunglasses
Sunglasses have a visible light transmittance of about 20% and can absorb ultraviolet and infrared rays well. It also has a variety of colors such as light green, light gray, light brown, etc., used to protect in different occasions. Among them, light gray lenses have little effect on color recognition. Light brown glasses make the blue sky look darker and reduce the transmission of green light. Light green lenses reduce the transmission of red light.
Sunglasses not only have a wide range of varieties, but with the improvement of decoration and health care effects, their scope of use has become more extensive. As the time to update sunglasses can be rapid, fashionable men and women would love to have multiple sunglasses to match clothes to satisfy their pursuit of fashion.
How long will the titanium frame last?
Titanium and titanium alloys are often used to make the most durable frames. Their strength is comparable to that of stainless steel. Medical facilities use titanium to make medical implants such as heart valves, showing just how durable the metal can be in extreme environments. Look at the maintenance between quality and use. Good glasses electroplating after three processes, the first is in the glasses or pure raw materials, plating a layer of an adhesion layer, used to attach the plating color layer. The second is the electroplating color layer. The third one is that after the electroplating color layer, another layer of electroplating protection is transparent. The electroplating of glasses through three processes can ensure that the glasses are not easy to lose color and damage in about 5 years. Now the glasses electroplating basically omits the processing of the last layer of the color protective layer, so the service life is about 3 years.
