PROBLEM TO BE SOLVED: To more accurately measure concentration of an optical active substance contained in aqueous humor than when a correction part is not provided.SOLUTION: An optical measuring device 1 for an eyeball includes a light irradiation part 20A for irradiating a light toward the anterior chamber 13 of an eyeball 10 of a measurement subject, a photodetection part 20B having a polarization separation element 23 for polarizing and separating the light transmitting the anterior chamber 13, and a plurality of detectors 24A and 24B for receiving the polarized light separated by the polarization separation element 23, and a correction part 20C having a polarizer 27 for correction provided retreatably in an optical path 25 between the anterior chamber 13 and the photodetection part 20B through which a polarized light of a predetermined angle is transmitted to the polarization separation element 23.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2018,JPO&INPIT【課題】補正部を備えない場合に比べ、眼房水に含まれる光学活性物質の濃度を精度よく測定する。【解決手段】眼球の光計測装置1は、被計測者の眼球10の前眼房13に向けて光を照射する光照射部20Aと、前眼房13を透過した光を偏光分離する偏光分離素子23と、偏光分離素子23により分離された偏光を受光する複数の検出器24A、24Bと、を有する光検出部20Bと、前眼房13と光検出部20Bとの間の光路25に退避可能に設けられ、偏光分離素子23に対して予め定められた角度の偏光を透過する補正用偏光子27を有する補正部20Cと、を備える。【選択図】図2
