Ophthalmologic information processing apparatus, ophthalmologic system, ophthalmologic information processing method, and recording medium

1. An ophthalmologic information processing apparatus comprising:

a reference data setting unit configured to set, as first reference data, first fundus data among a plurality of fundus data of a fundus of a subject's eye acquired at different acquisition timings using optical coherence tomography;

a first region specifying unit configured to specify one or more first atrophy regions in the fundus by analyzing the first reference data;

a second region specifying unit configured to specify one or more second atrophy regions by analyzing second fundus data based on the one or more first atrophy regions, the second fundus data being acquired after the acquisition timing of the first reference data among the plurality of fundus data;

a reference data update unit configured to update, as second reference data, reference data using fundus data acquired after the acquisition timing of the first reference data among the plurality of fundus data, based on the one or more first atrophy regions and the one or more second atrophy regions;

a morphological information generator configured to generate morphological information representing morphology of atrophy region specified by the first region specifying unit or the second region specifying unit, the morphological information generator generating morphological information representing morphology of the specified atrophy region for each of the plurality of fundus data including the first reference data and the second reference data; and

a display controller configured to cause a display means to display first time-series information and second time-series information, the first time-series information being time-series information of a plurality of morphological information corresponding to the fundus data acquired after the acquisition timing of the first reference data with reference to morphological information of the first reference data, the second time-series information being time-series information of a plurality of morphological information corresponding to the fundus data acquired after the acquisition timing of the second reference data with reference to morphological information of the second reference data.

2. The ophthalmologic information processing apparatus of claim 1 , wherein

the second region specifying unit specifies one or more atrophy regions by analyzing third fundus data based on the one or more second atrophy regions, the third fundus data being acquired after the acquisition timing of the second reference data among the plurality of fundus data.

3. The ophthalmologic information processing apparatus of claim 1 , wherein

the reference data update unit updates the first reference data to second reference data based on at least one of the number of the one or more first atrophy regions, an area of the one or more first atrophy regions, or a perimeter of the one or more first atrophy regions.

4. The ophthalmologic information processing apparatus of claim 3 , wherein

the area of the one or more first atrophy regions is an area of the first atrophy region of a part of two or more first atrophy regions.

5. The ophthalmologic information processing apparatus of claim 3 , wherein

the perimeter of the one or more first atrophy regions is a perimeter of the first atrophy region of a part of two or more first atrophy regions.

6. The ophthalmologic information processing apparatus of claim 1 , wherein

the reference data setting unit sets the one or more first atrophy regions based on an operation instruction signal from an operating device operated by a user.

7. An ophthalmologic system comprising:

a data acquisition unit configured to acquire data of the fundus using optical coherence tomography; and

the ophthalmologic information processing apparatus according to claim 1 .

8. An ophthalmologic information processing method comprising:

a reference data setting step that sets, as first reference data, first fundus data among a plurality of fundus data of a fundus of a subject's eye acquired at different acquisition timings using optical coherence tomography;

a first region specifying step that specifies one or more first atrophy regions in the fundus by analyzing the first reference data;

a second region specifying step that specifies one or more second atrophy regions by analyzing second fundus data based on the one or more first atrophy regions, the second fundus data being acquired after the acquisition timing of the first reference data among the plurality of fundus data;

a reference data update step that updates, as second reference data, reference data using fundus data acquired after the acquisition timing of the first reference data among the plurality of fundus data, based on the one or more first atrophy regions and the one or more second atrophy regions;

a morphological information generating step that generates morphological information representing morphology of atrophy region specified in the first region specifying step or the second region specifying step, the morphological information generator generating morphological information representing morphology of the specified atrophy region for each of the plurality of fundus data including the first reference data and the second reference data; and

a display control step that causes a display means to display first time-series information and second time-series information, the first time-series information being time-series information of a plurality of morphological information corresponding to the fundus data acquired after the acquisition timing of the first reference data with reference to morphological information of the first reference data the second time-series information being time-series information of a plurality of morphological information corresponding to the fundus data acquired after the acquisition timing of the second reference data with reference to morphological information of the second reference data.

9. The ophthalmologic information processing method of claim 8 , wherein

the second region specifying step specifies one or more atrophy regions by analyzing third fundus data based on the one or more second atrophy regions, the third fundus data being acquired after the acquisition timing of the second reference data among the plurality of fundus data.

10. The ophthalmologic information processing method of claim 8 , wherein

the reference data update step updates the first reference data to second reference data based on at least one of the number of the one or more first atrophy regions, an area of the one or more first atrophy regions, or a perimeter of the one or more first atrophy regions.

11. The ophthalmologic information processing method of claim 10 , wherein

the area of the one or more first atrophy regions is an area of the first atrophy region of a part of two or more first atrophy regions.

12. The ophthalmologic information processing method of claim 10 , wherein

the perimeter of the one or more first atrophy regions is a perimeter of the first atrophy region of a part of two or more first atrophy regions.

13. The ophthalmologic information processing method of claim 8 , wherein

the reference data setting step sets the one or more first atrophy regions based on an operation instruction signal from an operating device operated by a user.

14. A non-transitory computer readable recording medium storing a program for causing a computer to execute each step of the ophthalmologic information processing method of claim 8 .