PURPOSE: A lens for 3D eyeglasses in which the distribution density of the spacer is different is provided to uniformly maintain the thickness of a liquid crystal layer. CONSTITUTION: A pair of lenses(20) comprises an external substrate(23), an internal substrate(21), a liquid crystal layer(...
Sunglasses come in a variety of shapes and are made with various materials and lenses. From timeless styles such as the classic aviator, round, square, cat-eye and wrap-around sunglasses, to more extravagant styles including hexagonal, butterfly and clubmaster sunglasses, the choices for both men...
Obviously we have to make lenses from transparent things that don't distort the light rays passing through them—and there aren't really that many materials we can use. Early lenses were sometimes made from crystals; one of the oldest known, the Nimrud lens in the British Museum in London...
Ready for a new pair of glasses but can't decide on what types of frames you want? We're here to help. Below, we'll go over the different types of eyeglasses frames and the materials they're made of so you can choose the best frames for your needs and lifestyle. ...
For patients with different types of binocular vision abnormalities, ideal optical design contact lenses that would be suitable will be discussed in the future. Materials Three types of soft contact lenses were used as follows: Lens 1 (Lens Aqua Biweekly Soft Contact Lens [iLens]), Lens 2 (...
PURPOSE: The lens of eyeglasses is provided to improve the visibility by automatically focusing in a vector addition direction when a user stares at a short distance for a long time.;CONSTITUTION: A left lens(10) and a right lens(20) include a first prism and a second prism. The thicknes...
Glass lenses have good optical transparency with low aberration. Provide clear and unobstructed vision to qualify as optics for premium quality VR headsets. Glass lenses are more resistant to scratch than other lens materials. Nevertheless, they are normally bulky and expensive in com...
1 day for existing sample; 2-3 days for customized sample High quality, Best price, Fast delivery, Good service FAQ: Q1: ABOUT US?What are your main products? A: Taixing S&H international trade co., LTD. is a supplier of glasses cord, chains, Microfibe...
1. Universal Souvenir Glasses and Sunglasses Repair Kit This first eyeglass repair product I will be reviewing is not as complete as the other ones on this list but it has all of the basics. You can see it being contained in a small package for portability. I am glad that I can take ...
A polishing mechanism based on the concentration of water in the glass is proposed. It is also shown that the presence of phosphorous changes the polishing mechanism compared to undoped glasses and the rate increase due to phosphorous is much greater than that due to boron. 展开 关键词:...