Why do my glasses hurt the top of my ears?
The problem caused by the angle of the glasses rubbing the ears is mainly caused by the following several conditions. Firstly, it may be that the outer angle is not enough so that the feet of the glasses press the ears too tightly. Secondly, the two sides of the glasses are of different heights. Thirdly, the last situation may be caused by a problem within the angle of depression.
Why is it risky to get glasses online?
The safety and professionalism of online lens matching are widespread concerns of consumers. The whole process of online lens matching is networked, and only a prescription sheet for online lens shopping cannot provide comprehensive and detailed feedback on patients' eye conditions. Therefore, there will be many safety concerns about myopia, high myopia, and astigmatism when they choose to choose glasses online. They have to think about that if the products are qualified, if the quality is good if the style is consistent with the real thing, and so on.
BLUPOND CHOPPER Polarized Driving Sunglasses
It has TAC polarization UV400 high definition lenses and the most progressive anti-glare technology. Increasing street vision, the TAC Polarizing lens is a 7-layer composite system that meets the international UV400 standard. By turning the distorted light into parallel lines, your view will be softer and clearer, making for a more interesting ride. Timeless classic Italian design exudes ingenuity and innovation. A durable frame structure with reinforced hinges gives you a sense of strength and durability, made of the strongest polycarbonate material. It's a fashion statement that's both subtle and sharp.
Sunglasses For Fishing - Polaroid
Polaroid, founded in the United States, is the inventor of the world's first polarized glasses. Polaroid is the maker and leader of polarized lenses. ?Polaroid lenses are widely used in fishing, driving, labor insurance, medical, aircraft pilot, and scientific research. ?It enjoys a high reputation in the market and is loved and respected by countless consumers. Its industry covers more than 0 countries and regions in the world, and many big stars are her loyal fans.
Types of Varifocal Lenses
As is well known, there are several types of varifocal lenses. So, in this section, we will list some the types of varifocal lenses.
Standard varifocal lens: standard varifocal lenses are the entry-level varifocal options and are chosen as an enhanced alternative to bifocals. They have clear and fairly wide focal areas for distance, reading, and in between.
Premium varifocal lens: premium varifocal lenses are also called free form varifocals or back surfaced digital varifocal lenses. It offers much clearer vision at all points and is a significant step up from a standard varifocal lens in terms of vision, clarity, focus, and ease of adapting to them. They are created using the latest computer-driven equipment and have a wider field of vision at the distance, intermediate/in-between, and reading focal points.
Semi-Rimless Frame Glasses
Half-rim spectacle frames replace part of the spectacle frames with nylon wire, giving people the feeling of bottomless frames. It is lighter and looks more chic and firm. If you are a highly myopic friend, choose a pair of half-rim glasses, which can not only reduce the load on the bridge of your nose but also look more fashionable. Half-rim glasses are the first choice for men in the workplace, and they are more mature and stable.
Disadvantages of Plastic Frames
The disadvantage of injection molding material is that most of them have surface spray paint processing. They are not wear-resistant, easy to fade, easy to peel off the paint layer. PC material comfort is poor, and durability is not good. The frames cannot be changed to suit different face shapes. Because of its good elasticity, TR material can not be changed, which means that poorly made lenses are easy to fit into the frame. Plate material is hard, if the change is not appropriate, it will be not comfortable. Acidic material can not match the lens made of PC material, which will cause the lens to crack.