Blue light filtering, dazzling preventing and wear resisting lens and preparation method thereof

Abstract

The invention relates to a blue light filtering, dazzling preventing and wear resisting lens and a preparation method thereof. The lens comprises a substrate, and the inner surface and the outer surface of the substrate are provided with first films, second films, third films, fourth films, fifth films, sixth films, seventh films and eighth films sequentially and symmetrically from inside to outside. The first films, the fourth films and the sixth films are titanium oxide layers, and the thickness ranges from 10 nm to 100 nm. The second films, the fifth films and the seventh films are silicon dioxide layers, and the thickness ranges from 50 nm to 100 nm. The third films are metal layers, and the thickness ranges from 5 nm to 20 nm. The eighth films are high-hardness layers, and the thickness ranges from 10 nm to 50 nm. The preparation method comprises the following steps that 1, the substrate is washed; 2, the inner surface and the outer surface of the substrate are coated with the films respectively. The lens can effectively filter out 33% of harmful blue light and dazzling light or above, visual fatigue can be effectively relieved, and the wear resistance of the lens can be remarkably improved through the high-hardness layers.

Description

technical field [0001] The invention relates to the technical field of lenses, in particular to a blue light filtering anti-glare wear-resistant lens and a preparation method thereof. Background technique [0002] With the continuous improvement of people's culture and living standards and the development of vision care work, glasses, as a simple optical device made to correct vision or protect eyes, have played an important role in people's daily life. Spectacles are usually composed of lenses and frames. From the function of lenses, it has the functions of adjusting the amount of light entering the eyes, increasing vision, protecting eye safety and clinically treating eye diseases. [0003] At present, there are many kinds of lenses, such as the common TAC polarized lens, which can block harmful light 100%, so it is very popular among consumers, especially suitable for outdoor sports. However, the lens will inevitably be scratched during exercise, so The degree of wear re...

AI Technical Summary

Problems solved by technology

When driving at night, when the oncoming vehicle is coming, the driver will have a process of light adaptation, and when the vehicle passes by, there will be a process of dark adaptation, which can easily cause eye fatigue

In order to solve this potential safety hazard, people usually use a combination of electronics and optics, such as ADS crystal mirror,...

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