PROBLEM TO BE SOLVED: To provide an optical coherence tomography technique capable of easily capturing tomographic images suitable to follow-up observation.SOLUTION: This optical coherence tomography apparatus includes: a photographic optical system for splitting light from a light source into measurement light and reference light, irradiating an eye to be examined with the measurement light via a measurement light path, guiding the reference light to a reference light path and outputting interference light obtained by interference between the reference light and return light from the eye to be examined a generating unit for generating a tomograms of the eye to be examined on the basis of the interference light outputted from the photographic optical system a drive unit for driving the members constituting the photographic optical system and a control unit for controlling the drive unit so that the difference in image information between the two tomograms generated by the generating unit may be within a predetermined range.COPYRIGHT: (C)2013,JPO&INPIT【課題】 経過観察に適した断層像の撮影を容易に行うことが可能な光干渉断層撮影技術を提供すること。【解決手段】 光干渉断層撮影装置は光源からの光を測定光と参照光とに分割し、測定光を測定光路を介して被検眼に照射し、参照光を参照光路に導き、参照光と被検眼からの戻り光とを干渉させた干渉光を出力する撮影光学系と、撮影光学系から出力された干渉光に基づき、被検眼の断層像を生成する生成部と、撮影光学系を構成する部材を駆動するための駆動部と、生成部によって生成された2つの断層像の画像情報の差分が所定の範囲以内になるように駆動部を制御する制御部とを備える。【選択図】 図1
