JP2017064220A5 - - Google Patents

Claims (6)

The light output from the light source is divided into measurement light and reference light, the measurement light is irradiated onto the subject via a probe inserted into the subject, and the measurement light is repeatedly scanned, and the measurement light An optical tomography apparatus for detecting interference between the reflected light of the light and the reference light by a detector,
Along with the movement of at least a part of the probe with respect to the subject, two-dimensional OCT data of the subject in a plurality of scanning lines is formed based on signals from the detector, Image forming means for arranging the two-dimensional OCT data of the subject to obtain the three-dimensional OCT data of the subject,
An instruction receiving means for receiving a selection instruction from an operator regarding a movement condition of the probe when acquiring a plurality of two-dimensional OCT data that is a basis of the three-dimensional OCT data;
The optical tomography apparatus, wherein the image forming unit adjusts a relative positional relationship of each two-dimensional OCT data in the three-dimensional OCT data based on the movement condition.   The optical tomography apparatus according to claim 1, wherein the instruction selection unit receives the selection instruction related to a movement condition of the entire probe when the entire probe is moved with respect to the subject. The image forming means is based on the selection instruction received by the instruction receiving means before the movement of the probe when acquiring a plurality of two-dimensional OCT data that is a basis of the three-dimensional OCT data. The optical tomography apparatus according to claim 1 or 2, wherein the relative positional relationship of each two-dimensional OCT data in the original OCT data is adjusted. The instruction receiving unit indicates a movement condition related to an inclination of a moving direction of the probe with respect to a scanning line by the measurement light when acquiring a plurality of two-dimensional OCT data as a basis of the three-dimensional OCT data as the selection instruction. Accept information,
The image forming means is configured so that each two-dimensional OCT data in the three-dimensional OCT data is arranged so that each two-dimensional OCT data is shifted from a neighboring two-dimensional OCT data in a direction corresponding to the inclination. optical tomographic imaging apparatus according to claim 1 for adjusting the lateral position relationship 3. The instruction accepting unit displays an image showing the fundus of the eye to be examined on a display, and acquires information on a movement locus of the probe on the image as the selection instruction.
It said image forming means, the optical tomographic imaging apparatus according to any one of claims 1 to 4 for adjusting the relative positional relationship between the two-dimensional OCT data in the three-dimensional OCT data in response to the movement track. Detecting means for detecting the acquisition position of each of the two-dimensional OCT data that is the basis of the three-dimensional OCT data from a wide-range image that is an image of a wide range of the subject compared to the three-dimensional OCT data;
Light according to any one of claims 1 to 5 having an adjustment means for adjusting the relative positional relationship between the two-dimensional OCT data in the three-dimensional OCT data based on the acquired position detected by said detecting means Tomography apparatus.