How Blue Block Glasses Work Blue block glasses are specifically designed to reduce harmful blue light exposure to the eyes. Blue light, which ranges from 380nm to 500nm in waveleng...
READ MORE
PC lens is also called “space lens”, “universe lens”.Its chemical name is polycarbonate which is a thermoplastic material (the raw material is solid, after heated and molded into the lens,it is also solid), so this kind of lens product will be deformed when heated too much, not suitable for high humidity and heat occasions. PC lenses have a strong toughness, are not broken (2cm can be used for bulletproof glass), so it is also known as safety lenses. With a specific gravity of just 2 grams per cubic centimeter, it is the lightest material currently used for lens. The weight is 37% lighter than ordinary resin lens, and the impact resistance is 12 times that much an ordinary resin lens!
How Blue Block Glasses Work Blue block glasses are specifically designed to reduce harmful blue light exposure to the eyes. Blue light, which ranges from 380nm to 500nm in waveleng...
READ MOREHow Blue Block Lenses Work Blue block lenses, as the name suggests, are specifically designed to block or filter out harmful blue light. Blue light is a high-energy light that rang...
READ MOREBasic Principles of Bifocal Lens and Progressive Lens Bifocal Lens refers to eyeglass lenses divided into two optical zones, typically with upper regions correcting distant vision ...
READ MOREPhotochromic optical lenses, as a type of smart eyewear technology, have become an essential choice for many people due to their ability to automatically adjust the lens color base...
READ MOREWith advancements in technology and the development of the eyewear industry, an increasing number of people are choosing eyewear to correct their vision problems. Among the most co...
READ MORE