How much do you know about the manufacturing method of photochromic lenses? Follow 1.56 Finish Photochromic Progressive lens supplier china editor to have a simple understanding!

A method of manufacturing a photochromic lens or semi-finished product blank, the method comprising: providing a plastic lens finished or semi-finished or semi-finished lens blank with a geometric spherical or aspherical convex surface; providing a mold with a molding surface, the molding At least a part of the surface has a contour that is substantially consistent with the convex surface of the above-mentioned lens preform; provides an uncured resin that has a low degree of cross-linking after curing and forms a flexible sheet; the above-mentioned uncured resin, plastic lens or The semi-finished blank and the mold are placed such that the uncured resin is placed between the convex surface of the plastic lens or the semi-finished blank and the molding surface of the mold; the uncured resin composition is cured to form a composite plastic lens with a cured plastic connecting part or A semi-finished product blank, wherein the solidified plastic connecting part is bonded to the convex surface of the plastic lens or the semi-finished product blank; and the above-mentioned composite plastic lens or the semi-finished blank is impregnated with a photochromic material.
The above is the editor of 1.56 Finish Photochromic Progressive lens supplier china: a brief introduction to the manufacturing method of the photochromic lens.