Difference between spherical and aspherical lens

Operation method

The traditional spherical lens, whose central degree is lower than the peripheral degree, is not only thick, but also distorted and deformed when seeing things through the periphery of the lens, which is called aberration. At the same time, when others observe the wearer through the spherical lens, they can also clearly find the deformation of the facial contour.

The surface radian of aspherical lens is different from that of ordinary spherical lens. In order to pursue the thinness of the lens, the surface of the lens needs to be changed. However, the spherical design in the past has increased the aberration and deformation, resulting in obvious unclear images, distorted horizons, narrow vision and other undesirable phenomena. Now, the design of aspherical surface has corrected the image and solved the problem of visual field distortion. At the same time, the lens is lighter, thinner and flatter. Moreover, it still maintains excellent impact resistance, so that the wearer can use it safely.

Advantages of aspherical lens 1. More clear: the aspherical lens with special coating treatment has perfect visual performance, presenting clearer and comfortable visual effects. 2. Easier: After wearing the aspherical lens, you can hardly feel its existence. 3. More natural: Aspherical design, more natural, less visual distortion, more realistic vision.