Lens
1.70 Glass White UC Optical Lens
The main raw material of glass lens is optical glass. The transmittance and mechanical and chemical properties of glass lens are relatively good, with constant refractive index and stable physical and chemical properties.Therefore, the glass lens is thinner than the resin lens at the ...
1.56 Semi Finished photo grey Optical Lenses
The glass lens of the color-changing lens contains a certain amount of silver chloride, sensitizer and copper. Under the condition of short wave light, it can be decomposed into silver atoms and chlorine atoms. Chlorine atoms are colorless and silver atoms are colored. The concentration of silver...
1.59 Blue Cut PC Progressive Photochromic Gray HMC Optical lenses
The so-called functional lens refers to special glasses that can bring certain favorable characteristics to the eyes of specific people in specific environments and stages, and can change the visual feeling and make the line of sight more comfortable, clear and soft.Color-changing lenses: the pur...
1.59 PC Bifocal Invisible Photochromic Gray HMC Optical lenses
At present, there are two kinds of lens materials on the market, one is glass material, the other is resin material. Resin materials are divided into CR-39 and polycarbonate (PC material).Bifocal lenses or bifocal lenses are lenses that contain two correction areas at the same time and are mainly...
1.56 Bifocal Blue Cut HMC Optical lenses
As the name suggests, a bifocal mirror has two luminosity. Generally, it is used to see the distance, such as driving and walking; The following is to see the near luminosity, to see the near, such as reading, playing mobile phone and so on. When bifocal lens just came out, it was really regarded...
1.71 Single Vision HMC Optical lenses
1.71 lens Full name 1.71 refractive index lens, with high refractive index, high transmittance, high Abbe number characteristics, in the case of the same myopia degree, can significantly reduce the thickness of the lens, reduce the quality of the lens, at the same time, make the lens more pure an...
RX 1.499/1.56//1.60/1.67/1.74 single vision/progressive/blue cut/round-top/flat-top bifocal/photochromic lens
Lens surfaced according to prescriptions in the lens laboratory is called Rx lens. In theory, it can be accurate to 1°. At present, most of Rx lens is ordered by a gradient power degree of 25. Of course, parameters such as pupil distance, asphericity, astigmatism and axial position are customized...
Opto Tech Mild ADD Progressive Lenses
Different eyeglasses accomplish different effects and no lens is best suited for all activities. If you do spend an extended period of time doing task specific activities, such as reading, desk work or computer work, you may need task specific glasses. Mild add lenses are intended as a ...
1.499 Flat Top Bifocal Lens
the flat top bifocal is one of the easiest multifocal lenses to adapt to, it is one of the most popular bifocal lenses in the world. It’s distinct “jump” from distance to near vision gives wearers two well-demarcated areas of their glasses to use, depending upon the task at hand. The line is obvi...
1.499 Round Top Bifocal Lens
Bifocal lens can be called a multi purpose lens. It has 2 different fields of vision in one visible lens. The larger of the lens usually has the prescription necessary for you to see for distance. However, this can also be your prescription for computer use or intermediate range, as you would nor...