A light source unit having a light emitting portion for emitting light to irradiate the subject light, and an optical measurement section for measuring the transmitted light at the measurement point of the object, the optical measurement apparatus of the present invention, the optical An optical measurement apparatus comprising a signal processing unit which processes the hemoglobin information output from the measuring unit, to create a light measurement image, and a display unit for displaying the optical measurement image, the light output of the light emitting portion measures the deterioration of the light emitting unit and a current injected into the light emitting portion and includes determining measurement determination unit replacement necessity of the light emitting unit, the display unit is determined in the measurement determination section I want to display the information of the exchange necessity of the light-emitting portion was.本発明の生体光計測装置は、光を発光する発光部を有し、該光を被検体に照射する光源部と、前記被検体の測定点における通過光を計測する光計測部と、前記光計測部から出力されるヘモグロビン情報を処理し、光計測画像を作成する信号処理部と、前記光計測画像を表示する表示部とを備えた生体光計測装置であって、前記発光部の光出力と前記発光部に注入される電流とから前記発光部の劣化状態を計測し、前記発光部の交換要否を判定する計測判定部を備え、前記表示部は、前記計測判定部にて判定された前記発光部の前記交換要否の情報を表示する。
