Abstract: There are included an acquiring unit configured to acquire a parameter regarding capturing of a first tomographic image of an eye to be examined, an acquiring unit configured to acquire a parameter regarding capturing of a second tomographic image of the eye to be examined, wherein capturing of the second tomographic image is being performed after capturing of the first tomographic image, and a warning unit configured to issue a warning against capturing of the second tomographic image in accordance with a comparison between the parameter regarding capturing of the first tomographic image and the parameter regarding capturing of the second tomographic image.

Abstract: There are included an acquiring unit configured to acquire a parameter regarding capturing of a first tomographic image of an eye to be examined, an acquiring unit configured to acquire a parameter regarding capturing of a second tomographic image of the eye to be examined, wherein capturing of the second tomographic image is being performed after capturing of the first tomographic image, and a warning unit configured to issue a warning against capturing of the second tomographic image in accordance with a comparison between the parameter regarding capturing of the first tomographic image and the parameter regarding capturing of the second tomographic image.

Abstract: There are included an acquiring unit configured to acquire a parameter regarding capturing of a first tomographic image of an eye to be examined, an acquiring unit configured to acquire a parameter regarding capturing of a second tomographic image of the eye to be examined, wherein capturing of the second tomographic image is being performed after capturing of the first tomographic image, and a warning unit configured to issue a warning against capturing of the second tomographic image in accordance with a comparison between the parameter regarding capturing of the first tomographic image and the parameter regarding capturing of the second tomographic image.

Abstract: There are included an acquiring unit configured to acquire a parameter regarding capturing of a first tomographic image of an eye to be examined, an acquiring unit configured to acquire a parameter regarding capturing of a second tomographic image of the eye to be examined, wherein capturing of the second tomographic image is being performed after capturing of the first tomographic image, and a warning unit configured to issue a warning against capturing of the second tomographic image in accordance with a comparison between the parameter regarding capturing of the first tomographic image and the parameter regarding capturing of the second tomographic image.

Abstract: An ophthalmic photographing apparatus or method receives light returned from an eye to be examined, calculates a plurality of temporally continuous photometric values based on a light receiving result in the receiving, and determines whether or not the eye is to be photographed, based on the plurality of calculated photometric values.

Abstract: An ophthalmologic imaging apparatus includes an observation light source configured to generate infrared light for illuminating a subject's eye via an illumination optical system, an imaging unit configured to receive light returned from the subject's eye via an imaging optical system, and an electronic shutter control unit configured to refresh charge generated caused by light received by the imaging unit in response to turning off of the observation light source.

Abstract: A fundus camera includes a focus target projection unit including a focus target located at a position conjugate with a fundus of a subject's eye, a split optical element configured to split a light flux passing through the focus target, and a focus target illumination light source configured to illuminate the focus target, a fundus photographing optical system including a focusing lens, a focus link mechanism configured to interlockingly move the focus target projection unit and the focusing lens in a direction of an optical axis, at least two lenses located behind a plane optically conjugate with the imaging plane of the fundus photographing optical system and outside an optical axis of the fundus photographing optical system, image sensors respectively located behind the two lenses, and a phase difference detection unit configured to detect a phase difference between the focus target images based on signals output from the image sensors.

Abstract: Provided is an ophthalmologic imaging apparatus capable of imaging with reduced imaging time based on a combination of an imaging type and a mydriatic state of an eye to be inspected. The ophthalmologic apparatus includes an acquiring unit configured to acquire information about a mydriatic state of a pupil of a person to be inspected, and a determining unit configured to determine an imaging order for imaging one of left and right eyes of the person to be inspected a plurality of times and imaging the other eye in accordance with the information about the mydriatic state acquired by the acquiring unit.

Abstract: An ophthalmic photographing apparatus or method receives light returned from an eye to be examined, calculates a plurality of temporally continuous photometric values based on a light receiving result in the receiving, and determines whether or not the eye is to be photographed, based on the plurality of calculated photometric values.

Abstract: An ophthalmic photographing apparatus or method receives light returned from an eye to be examined, calculates a plurality of temporally continuous photometric values based on a light receiving result in the receiving, and determines whether or not the eye is to be photographed, based on the plurality of calculated photometric values.

Abstract: An ophthalmologic photographing apparatus includes a photographing mode selection unit configured to select one of a plurality of photographing modes respectively corresponding to different photographing conditions, an imaging unit configured to capture an image of a subject's eye, an original image data generation unit configured to process electronic data of the image captured by the imaging unit according to the selected photographing mode and to generate a plurality of original image data differing from one another in spatial resolution and gradation resolution, and an image processing unit configured to generate a electronic image for diagnosis, which has similar gradation resolution to that of each of the plurality of original image data generated by the original image data generation unit.

Abstract: Provided is an ophthalmologic apparatus having an automatic focusing function and capable of imaging a subject in focus, including: a light intensity control unit for controlling a light intensity of light guided to an object to be inspected; an imaging unit for imaging the object to be inspected which is illuminated by the light; a focus state detection unit for detecting a focus state of the imaging unit with respect to the object to be inspected based on an output from the imaging unit; a focus lens drive unit for driving a focus lens based on the focus state detected by the focus state detection unit; and a drive control unit for controlling the focus lens drive unit to operate in accordance with timing when the light intensity of the light is changed by the light intensity control unit.

Abstract: An ophthalmologic apparatus includes a focusing unit configured to focus, on an imaging unit, a return beam from a fundus of a subject's eye, a first drive unit configured to drive the focusing unit based on an index image obtained by imaging, using the imaging unit, a return beam from the fundus resulting from an index projected on the fundus by a projection unit, and a second drive unit configured to drive, after the first drive unit has driven the focusing unit, the focusing unit based on a contrast of a fundus image obtained by imaging, using the imaging unit, a return beam from the fundus, the fundus having been illuminated by an illumination unit.

Abstract: An ophthalmologic imaging apparatus includes an observation light source configured to generate infrared light for illuminating a subject's eye via an illumination optical system, an imaging unit configured to receive light returned from the subject's eye via an imaging optical system, and an electronic shutter control unit configured to refresh charge generated caused by light received by the imaging unit in response to turning off of the observation light source.

Abstract: An ophthalmologic imaging apparatus includes an observation light source configured to generate infrared light for illuminating a subject's eye via an illumination optical system, an imaging unit configured to receive light returned from the subject's eye via an imaging optical system, and an electronic shutter control unit configured to refresh charge generated caused by light received by the imaging unit in response to turning off of the observation light source.

Abstract: An ophthalmologic apparatus controls a second light source according to a fundus image corrected using sensitivity as to a first wavelength band and a light quantity of a first light source when a fundus image is captured.

Abstract: An ophthalmic photographing apparatus or method receives light returned from an eye to be examined, calculates a plurality of temporally continuous photometric values based on a light receiving result in the receiving, and determines whether or not the eye is to be photographed, based on the plurality of calculated photometric values.

Abstract: A fundus camera includes a fundus photographing optical system including an image-recording image sensor for photographing a fundus image via a focusing lens, a focus target having a plurality of regions for forming light fluxes passing through a plurality of different areas on pupil of a subject's eye, and a focus drive unit for driving the focusing lens based on positions of a plurality of images of the focus target in an image captured by the image-recording image sensor and on contrast of the images.

Abstract: An ophthalmologic photographing apparatus includes an imaging unit configured to capture a fundus image of a subject's eye to output an image signal, a projection unit configured to intermittently project an index light flux onto the subject's eye in synchronization with the image signal from the imaging unit, and an image recording unit configured to record the image signal from the imaging unit as a moving image.

Abstract: An ophthalmologic imaging apparatus includes an observation light source configured to generate infrared light for illuminating a subject's eye via an illumination optical system, an imaging unit configured to receive light returned from the subject's eye via an imaging optical system, and an electronic shutter control unit configured to refresh charge generated caused by light received by the imaging unit in response to turning off of the observation light source.