摘要 |
PROBLEM TO BE SOLVED: To provide an image display device capable of performing a blood flow measurement at a high degree of certainty.SOLUTION: An image display device includes: a tomographic image storage part 401 for storing a parallel tomographic image that is a tomographic image parallel to blood vessel running is stored; and a display part 404 that displays the parallel tomographic image stored in the tomographic image storage part 401. One or more guide lines are displayed on the parallel tomographic images displayed on the display part 404 displays, the guide lines being inclined in a direction perpendicular to a light illumination direction that is applied for acquiring information relating to the blood flow in the parallel tomographic image. |