Quick-changing blue-light-resistant photochromic lens

Abstract

The invention discloses a quick-changing blue-light-resistant photochromic lens, which comprises a substrate body; the substrate body comprises a main substrate, a front photochromic substrate and a rear photochromic substrate, the front photochromic substrate is adhered to the center of the front side of the main substrate through shadowless glue, the front side surface and the rear side surfaceof the main substrate are the same and have a first curvature, and the front side surface of the front photochromic substrate has a second curvature, the first curvature being lower than the second curvature; the rear color-changing substrate is adhered to the rear side of the main substrate through shadowless glue, the surface of the rear side of the rear color-changing substrate has a third curvature, and the third curvature is smaller than the first curvature. According to the invention, the front color-changing substrate and the rear color-changing substrate are matched with each other, are respectively adhered to the front side and the rear side of the main substrate, and contain photochromic particles, so that the color-changing effect is enhanced under the action of the substrates,the color-changing efficiency is improved, and the trouble of slow color changing of the conventional lens is avoided.

Description

technical field [0001] The present application belongs to the technical field of lenses, and in particular relates to a fast-changing anti-blue light photochromic lens. Background technique [0002] Color-changing resin lenses are high-end functional lenses that have become more popular in recent years. At present, color-changing resin lenses are loved by people because of their light weight, high impact strength, good color-changing performance, and long life. Operating personnel, vehicle and ship drivers, traffic police, tourists, mountaineers, etc. all need photochromic lenses to protect their eyes, prevent ultraviolet radiation during the day, or prevent snow blindness from snow to human eyes. But most of the existing color-changing resin lenses are coated with color-changing film on the surface, and the color-changing speed is relatively slow, and the function is single, and the protective effect is relatively poor, so it is not practical. Therefore, how to provide a...

AI Technical Summary

Problems solved by technology

However, most of the existing color-changing resin lenses are coated with a color-changing film on the surface, and the discoloration speed is relatively slow, and the function is single, and the protective effect is relatively poor, so it is not practical

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