Abstract: An ophthalmologic photographing apparatus includes: a photographing optical system, including a scanning unit for scanning an examinee's eye with measurement light, for obtaining a tomographic image of the examinee's eye; an observing optical system, including a light-receiving device for receiving reflected light from the examinee's eye, for obtaining a front image of the examinee's eye based on a light receiving signal from the light-receiving device; a condition setting unit for setting conditions for capturing a tomographic image; and a tracking controller for performing tracking that controls the scanning unit in a manner of scanning a predetermined photographing portion of the examinee's eye based on a front image acquired by the observing optical system as well as performing tracking related to substantially the same photographing portion even in a case where the photographing condition is changed by the condition setting unit.

Abstract: An ophthalmologic photographing apparatus includes: a photographing optical system that includes a scanning unit for scanning an examinee's eye with measurement light to obtain a tomographic image of the examinee's eye; an observing optical system that includes a light-receiving device for receiving reflected light from the examinee's eye to obtain a moving image of a front image of the examinee's eye based on a light-receiving signal from the light-receiving device; a display controller for displaying the front image acquired by the observing optical system in a still state on a monitor as well as enabling setting of a capturing position of the tomographic image, the setting using the front image; and a drive controller for controlling the scanning unit to acquire the tomographic image in accordance with the capturing position.

Abstract: An ophthalmic photographing apparatus comprising a photographing optical system for obtaining a regional image of an examinee's eye, comprising a light source, a focusing optical element movable in an optical-axis direction by a driving mechanism, and a photodetector, and a control unit controlling driving of the mechanism and obtain the image based on a signal from the photodetector, wherein the control unit further moves the optical element in predetermined steps/continuously to obtain the image at each position, calculates frequency distribution of luminance of each of the images to detect a change characteristic of luminance values having frequencies equal or exceeding a threshold value in the frequency distribution with respect to the optical element position, and detects a focus position of the optical element based on the change characteristics to move the optical element to a position corresponding to the detected focus position.

Abstract: An ophthalmic photographing apparatus comprising a photographing optical system for obtaining a regional image of an examinee's eye, comprising a light source, a focusing optical element movable in an optical-axis direction by a driving mechanism, and a photodetector, and a control unit controlling driving of the mechanism and obtain the image based on a signal from the photodetector, wherein the control unit further moves the optical element in predetermined steps/continuously to obtain the image at each position, calculates frequency distribution of luminance of each of the images to detect a change characteristic of luminance values having frequencies equal or exceeding a threshold value in the frequency distribution with respect to the optical element position, and detects a focus position of the optical element based on the change characteristics to move the optical element to a position corresponding to the detected focus position.