What color lenses are good for driving?
The optometrist reminded us that it is not advisable to choose pink, purple, light blue, and other colors with obvious decoration effects for driving sunglasses. These colored glasses basically cannot protect the eyes. In addition, they may change the color and cause chromatic aberration. Generally speaking, you should wear brown and gray glasses when driving. The brown lens can filter out a lot of blue light, which can effectively improve visual contrast and clarity. The gray lens can absorb any color spectrum in a balanced manner and will not produce obvious chromatic aberration after wearing.
Nowadays, the colors of lenses for sunglasses on the market are dazzling. Many people only consider whether they look good when choosing colors, and do not pay attention to the impact of lens colors on vision. When choosing sunglasses, we should not only pay attention to their decoration but also pay attention to their protective function for the eyes. We should avoid using blue lenses when driving because it will make us unable to distinguish the color of the traffic signal lights.
Advantages of Metal Frames
The metal frame of eyeglasses conforms to the use performance of the frame. They need the material to have high fracture strength, enough plasticity, toughness, and good elasticity. And after the disappearance of the external force, they can restore to the original shape. This is the regular demand for the high elasticity of the metal frame. They must be able to withstand the atmosphere and human sweat daily corrosion. Usually, the corrosion resistance of pure titanium eyewear will be better than other eyewear. Some glasses will have a variety of wonderful grinding designs, and the material must have high plasticity.
The Acetate Spectacle Frame
The sheet spectacle frame is made of a high-tech plastic memory sheet. The current sheet material is mostly acetate fiber, and a few high-end frames are propionate fiber. The acetate fiberboard is divided into injection molding type and pressing and polishing type. The injection molding type is made by pouring in a mold. The plate frame is also suitable for people with a high number of heights because the frame is larger and can withstand a high number of lenses.
Size of the glasses frame
Children's glasses should have enough field of vision. Because children have different kinds of activities, try not to choose frames that will produce shadows and blind corners. If the frame is too small, the field of view will be smaller. If the frame is too big, it will be easy to wear instability, and weight will increase. So the frames for children should be moderate in size.
Heart-shaped face with angular glasses
The heart-shaped face is also a common face shape in daily life. This face shape is somewhat similar to the inverted triangle face shape. Generally, the chin is a relatively sharp face shape. For this type of face, the most important thing is to modify the cheekbones above the nose to highlight the slenderness of the chin. Therefore, it is better to wear a pair of angular glasses, which can effectively modify the facial lines and look more perfect.
The fabric of eyeglasses cloth
Ordinary fabric: They are only applicable to the surface that has been cleaned.Because the ordinary fabric has no space to accommodate dirt, the surface of the cloth will be very dirty, and difficult to wash clean.
Microfiber fabrics: They are used wet to emulsify dirt and oil, and the microfiber is easier to wipe off. It is highly absorbent, making it very quick to clean the spilled liquid.
Fine fiber double velvet fabric: It feels soft, gentle, with the plump texture, but more single velvet.
Suede fabric: The feel and appearance are quite like natural suede, fine and smooth, soft and plump, used to wipe glasses. It will be clean and won't scratch the lens.
What Are Blue Light Glasses?
Blue light glasses limit exposure to blue light. Additionally, blue light blocking lenses also include non-glare protection. Blue light can be found in cell phones, tablets, computers, some light bulbs, and sunshine. And this particular wavelength of blue light can damage your retina, which can even lead to vision impairment.
However, blue light glasses can filter the harmful ultraviolet rays and reduce the potential damage to your eyes, and may improve symptoms of computer vision syndrome. Even if you do not need a pair of prescription glasses, you should consider a pair of blue light glasses because there are many benefits to them. Hence, in the following section, we will show you the benefits of blue light glasses.