PROBLEM TO BE SOLVED: To provide a laser therapy apparatus 50 enhanced in safety, and a laser output control method.SOLUTION: The laser therapy apparatus is equipped with a detection part 55 and a signal processing part 53, both of which acquire the light interference tomographic information of a treated region E, a laser oscillation part 57 for irradiating the treated region E with a laser beam 57a, a memory part 54b for storing control data 70 showing the output control information of the laser beam 57a by the state of the treated region E discriminated from the light interference tomographic information and a laser output control part 54a for executing the output control of the laser oscillation part 57 on the basis of the light interference tomographic information acquired by the detection part 55 and the signal processing part 53 and the control data 70.COPYRIGHT: (C)2012,JPO&INPIT【課題】安全性の高いレーザ治療装置50およびレーザ出力制御方法を提供する。【解決手段】施術対象部位Eの光干渉断層情報を取得する検出部55および信号処理部53と、前記施術対象部位Eにレーザ光線57aを照射するレーザ発振部57と、前記光干渉断層情報から判別される施術対象部位Eの状態別に前記レーザ光線57aの出力制御情報を示す制御データ70記憶する記憶部54bと、検出部55および信号処理部53により取得した光干渉断層情報と前記制御データ70とに基づいて前記レーザ発振部57の出力制御を実行するレーザ出力制御部54aとを備えた。【選択図】図2