| abstract |
(57) [Summary] [Object] To provide a method for dyeing a hydrophobic plastic lens, which is difficult to dye, at an appropriate dyeing speed and uniformly and stably without any unevenness. [Structure] A plastic lens substrate is immersed in a solution of at least one compound selected from a benzophenone compound having a hydroxyl group, a benzotriazole compound having a hydroxyl group, and a salicylate compound, and then the plastic lens substrate is dyed. It is characterized by performing processing. |