Abstract: Provided are ophthalmologic image processing method, including an acquisition step of acquiring OCT data of an eye to be examined based on a spectral interference signal output from an OCT optical system, a setting step of setting a depth region including an image position of a tissue as an extraction region for data on one-direction side from a zero delay position in the OCT data, and a display control step of extracting extracted OCT data corresponding to the extraction region from the OCT data and displaying the extracted OCT data in a display region set in advance on a monitor, and an OCT apparatus that executes the method.

Abstract: This invention stores necessary OCT data and reduces unnecessary OCT data. The OCT device includes: an OCT optical system that captures an image of a subject eye in accordance with a measurement action; a data obtaining section that obtains OCT data; a subject data determining section that determines non-reduction-subject data or reducing process section; a reducing process section that reduces a data amount of the reduction subject data or delete the reduction subject data; and a storage executing section that stores the non-reduction-subject data and after-reduction data in a storage section.

Abstract: A fundus imaging apparatus includes an OCT optical system for acquiring OCT data based on measurement light irradiated on a fundus of a subject eye and reference light, and a front imaging optical system for capturing a front image of the fundus of the subject eye by scanning light on the fundus. The scanning light scanned on the fundus of the subject eye in the front imaging optical system has a wavelength, which is longer than ?=850 nm, in a wavelength region in which a scanning light is unlikely to be visible for the subject eye.

Abstract: Provided are ophthalmologic image processing method, including an acquisition step of acquiring OCT data of an eye to be examined based on a spectral interference signal output from an OCT optical system, a setting step of setting a depth region including an image position of a tissue as an extraction region for data on one-direction side from a zero delay position in the OCT data, and a display control step of extracting extracted OCT data corresponding to the extraction region from the OCT data and displaying the extracted OCT data in a display region set in advance on a monitor, and an OCT apparatus that executes the method.

Abstract: An optical tomography apparatus has a measurement unit that divides light output from a light source into measurement light and reference light, that repeatedly scans a subject with the measurement light, and that causes a detector to detect interference between reflected light of the measurement light and the reference light, and a processor. The processor performs an acquisition process of are temporally sequentially acquiring tomographic images at the same transverse position in the subject based on a signal output from the detector. The processor performs a video image generation process of generating a synthetic image on a real time basis by synthesizing a new tomographic image frequently and one or more past images, and causing a monitor to display a real time video image formed from the synthetic image.

Abstract: An optical tomography apparatus has a measurement unit that divides light output from a light source into measurement light and reference light, that repeatedly scans a subject with the measurement light, and that causes a detector to detect interference between reflected light of the measurement light and the reference light, and a processor. The processor performs an acquisition process of are temporally sequentially acquiring tomographic images at the same transverse position in the subject based on a signal output from the detector. The processor performs a video image generation process of generating a synthetic image on a real time basis by synthesizing a new tomographic image frequently and one or more past images, and causing a monitor to display a real time video image formed from the synthetic image.

Abstract: An optical tomographic imaging device configured to acquire a tomographic image of a tissue of an object, includes: a dividing device configured to divide a light beam emitted from a light source into measurement light and reference light; a combining device configured to combine the measurement light, which is separated by the dividing device and is reflected from the tissue, with the reference light so as to generate interference light for acquiring the tomographic image; a plurality of irradiation devices, each of the plurality of irradiation devices being configured to guide the measurement light and irradiate the tissue with the measurement light: and a switching device configured to switch the plurality of irradiation devices from one to another and select one of the plurality of irradiation devices to cause the selected irradiation device to irradiate the measurement light output from the dividing device with tissue.

Abstract: An optical tomographic image photographing apparatus for acquiring information on a tissue inside a specimen, the apparatus includes: a synthesis unit configured to generate a interference beam by synthesizing a measuring beam reflected from the tissue and a reference beam; and a detector configured to detect the generated first interference beam as a first interference signal, the first interference beam being detected for each scanning position of the measuring beam. The optical tomographic image photographing apparatus acquires tomographic information for each scanning position of the specimen by using the detected first interference signal and acquiring tomographic image data of the specimen expressed by polar coordinates by using the tomographic information; and converts the tomographic image data of the specimen expressed by the acquired polar coordinates into image data expressed by rectangular coordinates.

Abstract: An optical tomography device is an optical tomography device that includes a first light source; and an optical device configured to guide first light from the first light source to a measurement target eye and detect interference light obtained from reflected light from the measurement target eye. The optical tomography device further includes: a second light source configured to emit aiming light indicative of a position to which the first light is applied; and an optical probe having an opening at a distal end and configured capable of being inserted in an eyeball. The optical probe applies the first light, into the measurement target eye through the opening, guides the reflected light to the optical device, and applies, through the opening, the aiming light to the position to which the first light is applied.

Abstract: An optical tomographic imaging device configured to acquire a tomographic image of a tissue of an object, includes: a dividing device configured to divide a light beam emitted from a light source into measurement light and reference light; a combining device configured to combine the measurement light, which is separated by the dividing device and is reflected from the tissue, with the reference light so as to generate interference light for acquiring the tomographic image; a plurality of irradiation devices, each of the plurality of irradiation devices being configured to guide the measurement light and irradiate the tissue with the measurement light: and a switching device configured to switch the plurality of irradiation devices from one to another and select one of the plurality of irradiation devices to cause the selected irradiation device to irradiate the measurement light output from the dividing device with tissue.

Abstract: There is provided an observation attachment and a display apparatus achieving reduction in a burden of visual line movement of a user. The observation attachment is mounted on a surgical microscope having an eyepiece. The observation attachment includes a mounting member attached to the surgical microscope and a display holding member which holds a display provided with a display screen displayed with information for assisting a work of a user in using the surgical microscope, the information being different from an object's image directly observed through the eyepiece, and places the display screen of the display around the eyepiece of the surgical microscope in an attached state that the mounting member is attached to the surgical microscope.

Abstract: An optical tomographic image photographing apparatus for acquiring information on a tissue inside a specimen, the apparatus includes: a synthesis unit configured to generate a interference beam by synthesizing a measuring beam reflected from the tissue and a reference beam; and a detector configured to detect the generated first interference beam as a first interference signal, the first interference beam being detected for each scanning position of the measuring beam. The optical tomographic image photographing apparatus acquires tomographic information for each scanning position of the specimen by using the detected first interference signal and acquiring tomographic image data of the specimen expressed by polar coordinates by using the tomographic information; and converts the tomographic image data of the specimen expressed by the acquired polar coordinates into image data expressed by rectangular coordinates.