PROBLEM TO BE SOLVED: To irradiate the dermis of a subject with excitation light having a fixed intensity regardless of a difference in subjects or measurement sites.SOLUTION: A determination device (20) includes an affecting substance-derived decrease-level calculating unit (51) that calculates an affecting substance-derived excitation light decrease-level, an epidermis thickness-derived decrease-level calculating unit (52) that calculates an epidermis thickness-derived excitation light decrease-level, and an excitation light intensity correcting unit (41) that uses an affecting substance-derived excitation light decrease-level and an epidermis thickness-derived excitation light decrease-level to correct a set value of intensity of excitation light.COPYRIGHT: (C)2014,JPO&INPIT【課題】被験者または測定部位の相違によらず、一定の強度を有する励起光を被験者の真皮に照射する。【解決手段】判定装置(20)は、影響物質由来励起光低下度を算出する影響物質由来低下度算出部(51)と、表皮厚み由来励起光低下度を算出する表皮厚み由来低下度算出部(52)と、影響物質由来励起光低下度と表皮厚み由来励起光低下度とを用いて、励起光の強度の設定値を補正する励起光強度補正部(41)と、を備えている。【選択図】図1
