To provide a test method and a test device for allowing endurance including scratch resistance to be appropriately and simply evaluated in the state that is close to a real use even when an optical product is coated.
The endurance test method for an optical product includes: a scratch resistance test process for pressing a scratch part to an optical product in the state that a prescribed load is imposed and performing relative exercise of the optical product and the scratch part; and a synthetic sweat test method for immersing the optical product after the scratch resistance test process in synthetic sweat for a prescribed period of time. The endurance tester for an optical product includes: a scratch resistance tester having an arm that presses a scratch part against an optical product in the state that a prescribed load is imposed to perform relative exercise of the optical product and the scratch part; and a synthetic sweat tank for immersing the optical product where the scratch part is rubbed against by the scratch resistance tester in synthetic sweat for a prescribed period of time.
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FUKAGAWA TAKESHI
OTANI NOBORU
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Kiyotaka Sonoda