Abstract: A scanning laser ophthalmoscope includes: an irradiation optical system including a laser light source and an optical scanner; a light receiving optical system including first to third photo detectors; and a processor. The light receiving optical system includes a wavelength separator causing the light of a first wavelength range to be received by the first photo detector, the light of a second wavelength range to be received by the second photo detector, and the light of a third wavelength range to be received by the third photo detector. The processor generates a first fundus image on the basis of the light reception signal from the first photo detector, a second fundus image on the basis of the light reception signal from the second photo detector, and a third fundus image on the basis of the light reception signal from the third photo detector.

Abstract: An ophthalmic apparatus includes: a light projecting optical system to project light to each point on a fundus of an examinee's eye; a light receiving optical system including a light receiving element to receive light from the fundus emitted from each point on the fundus resulting from the light projected from the light projecting optical system; and a controller for controlling the ophthalmic apparatus, wherein the controller is configured to: acquire intensity information representing intensity of the light from the fundus corresponding to each point on the fundus based on a result of received light of the light receiving element; and analyze a degree of opacity in an optic media of the examinee's eye based on the intensity information.

Abstract: An ophthalmic image processing apparatus includes: a storage unit configured to store a fundus image and a first partial image, the first partial image being a partial image photographed for a part of the fundus image and having a higher resolution than the fundus image; and a display control unit configured to combine the first partial image with respect to an image region on the fundus image corresponding to the first partial image, and to display a combined image of the fundus image and the first partial image on a display medium.

Abstract: A scanning laser ophthalmoscope includes: an irradiation optical system including a laser light source and an optical scanner; a light receiving optical system including first to third photo detectors; and a processor. The light receiving optical system includes a wavelength separator causing the light of a first wavelength range to be received by the first photo detector, the light of a second wavelength range to be received by the second photo detector, and the light of a third wavelength range to be received by the third photo detector. The processor generates a first fundus image on the basis of the light reception signal from the first photo detector, a second fundus image on the basis of the light reception signal from the second photo detector, and a third fundus image on the basis of the light reception signal from the third photo detector.

Abstract: An ophthalmic image processing apparatus includes: a storage unit configured to store a fundus image and a first partial image, the first partial image being a partial image photographed for a part of the fundus image and having a higher resolution than the fundus image; and a display control unit configured to combine the first partial image with respect to an image region on the fundus image corresponding to the first partial image, and to display a combined image of the fundus image and the first partial image on a display medium.

Abstract: An ophthalmic apparatus includes: a light projecting optical system to project light to each point on a fundus of an examinee's eye; a light receiving optical system including a light receiving element to receive light from the fundus emitted from each point on the fundus resulting from the light projected from the light projecting optical system; and a controller for controlling the ophthalmic apparatus, wherein the controller is configured to: acquire intensity information representing intensity of the light from the fundus corresponding to each point on the fundus based on a result of received light of the light receiving element; and analyze a degree of opacity in an optic media of the examinee's eye based on the intensity information.

Abstract: A fundus imaging apparatus comprises: an irradiation optical system comprising a light source which emits a laser beam and a scanner which two-dimensionally scans the laser beam on a fundus of an examinee's eye, the irradiation optical system being adapted to focus the laser beam emitted from the light source on the fundus to form a confocal region; an imaging optical system comprising a photo-receiving element which receives reflection light of the laser beam reflected from the fundus, the imaging optical system being adapted to focus the reflection light from the fundus and receive the reflection light by the photo-receiving element; and a beam restriction member placed in an optical path of the imaging optical system, the beam restriction member comprising: one of an opening through which part of the reflection light from the fundus outside the confocal region is allowed to pass toward the photo-receiving element and a mirror part which reflects the part of the reflection light from the fundus outside the

Abstract: A scanning laser ophthalmoscope comprises: a laser source that emits a laser beam; an irradiation optical system that scans the laser beam over a fundus two-dimensionally; a photoreceptor optical system that receives reflection from the fundus by using a photoreceptor element; an image processor that obtains an image of the fundus based on an output signal from the photoreceptor element; a monitor; and a controller that causes the monitor to display the obtained fundus image, wherein the image processor comprises a subtractive processing circuit that performs time-subtractive processing on the output signal from the photoreceptor element in a state where the output signal is input as an analog signal, and forms the fundus image based on the signal subjected to the subtractive processing.

Abstract: A fundus imaging apparatus comprises: an irradiation optical system comprising a light source which emits a laser beam and a scanner which two-dimensionally scans the laser beam on a fundus of an examinee's eye, the irradiation optical system being adapted to focus the laser beam emitted from the light source on the fundus to form a confocal region; an imaging optical system comprising a photo-receiving element which receives reflection light of the laser beam reflected from the fundus, the imaging optical system being adapted to focus the reflection light from the fundus and receive the reflection light by the photo-receiving element; and a beam restriction member placed in an optical path of the imaging optical system, the beam restriction member comprising: one of an opening through which part of the reflection light from the fundus outside the confocal region is allowed to pass toward the photo-receiving element and a mirror part which reflects the part of the reflection light from the fundus outside the

Abstract: An ophthalmologic observation apparatus of a confocal laser scanning microscopy system for photographing and observing a target site of an eye of an examinee, includes a controller that, based on a number of image lines of one frame of a motion image to be displayed, a number of reflection faces of a polygon mirror, and a detection result of a photo sensor, controls a galvano mirror and an image forming unit so as to form each image line of each frame of the motion image based on the photo-receiving signals of a laser beam reflected on same reflection face of the polygon mirror.

Abstract: A scanning laser ophthalmoscope comprises: a laser source that emits a laser beam; an irradiation optical system that scans the laser beam over a fundus two-dimensionally; a photoreceptor optical system that receives reflection from the fundus by using a photoreceptor element; an image processor that obtains an image of the fundus based on an output signal from the photoreceptor element; a monitor; and a controller that causes the monitor to display the obtained fundus image, wherein the image processor comprises a subtractive processing circuit that performs time-subtractive processing on the output signal from the photoreceptor element in a state where the output signal is input as an analog signal, and forms the fundus image based on the signal subjected to the subtractive processing.

Abstract: An apparatus for observing an eye of an examinee, comprises: an irradiation optical system for irradiating and two-dimensionally scanning a laser beam onto an observational objective part of the eye; an observation optical system having a photo-receiving element, for photo-receiving the laser beam reflected by the objective part to obtain an image of the objective part, the observation optical system sharing at least a part of the irradiation optical system; a display which displays the obtained image; a polarizing member arranged on an optical axis of the observation optical system, an arrangement angle of the polarizing member with respect to the optical axis being changeable to change a polarized component to be transmitted by the polarizing member.

Abstract: An apparatus for observing an eye of an examinee by imaging the eye, includes an irradiation optical system; an imaging optical system; a monitor; and a display control part, wherein the imaging optical system includes a wavefront detector which receives the beam reflected by the objective part to detect wavefront aberration thereof and a wavefront compensator adapted to compensate the wavefront aberration based on a detection result of the wavefront detector, the wavefront compensator being placed within an optical path of the imaging optical system excepting a common optical path with the irradiation optical system.

Abstract: An ophthalmologic observation apparatus of a confocal laser scanning microscopy system for photographing and observing a target site of an eye of an examinee, includes a controller that, based on a number of image lines of one frame of a motion image to be displayed, a number of reflection faces of a polygon mirror, and a detection result of a photo sensor, controls a galvano mirror and an image forming unit so as to form each image line of each frame of the motion image based on the photo-receiving signals of a laser beam reflected on same reflection face of the polygon mirror.

Abstract: An apparatus for observing a fundus of an eye of an examinee has an observation optical system having an image-pickup element which obtains a time-series fundus image, a display part which displays the obtained fundus image on its monitor as a moving image, a determination part which determines a standard fundus image based on the displayed image, a memory part which stores the determined image, a calculation part which digitizes the image based on a threshold luminance level to obtain a digitized image thereof, digitizes a present fundus image obtained after the determination of the standard image based on the threshold luminance level to obtain a digitized image thereof and compares the obtained digitized images two-dimensionally to obtain their positional difference, and a display control part for correcting a display position of the present fundus image based on the obtained positional difference to display the corrected image on the monitor.

Abstract: Two photodetectors output electric signals based on the detection of light at light receiving sections mutually spaced apart. The output signal of one of the photodetectors is delayed and a first pulse signal is generated, and second pulse signal having no delay is generated according to based on the detection signal of the other of the two photodetectors. A detection signal is output when the pulse signals overlap. According to whether the detection signal is output, a movement direction and speed of a moving body that moves between the light receiving sections are detected.

Abstract: A fundus imaging apparatus comprises: a beam emitter which simultaneously emits a first laser beam and a second laser beam having a different wavelength from the first beam; an irradiation optical system having a beam scanner which scans the emitted first and second beams in two dimensions on a fundus, the irradiation optical system being adapted to irradiate the emitted first and second beams onto the fundus; a first filter which intercepts the first and second beams reflected by the fundus and second fluorescence from the fundus by irradiation of the second beam and transmits first fluorescence from the fundus by irradiation of the first beam; a second filter which intercepts the first and second beams reflected by the fundus and the first fluorescence from the fundus and transmits the second fluorescence from the fundus; an imaging optical system having a photo-receiving element which receives the first fluorescence having passed through the first filter and the second fluorescence having passed through th

Abstract: An apparatus for observing an eye of an examinee by imaging the eye, comprises: an irradiation optical system including a laser source which emits a laser beam and a scanning unit which two-dimensionally scans the beam onto an objective part of the examinee's eye to be observed, the irradiation optical system being adapted to irradiate the beam to the objective part; an imaging optical system including a photo-receiving element which receives the beam reflected by the objective part; a monitor; and a display control part which produces an image of the objective part based on an output signal from the photo-receiving element, and causes the monitor to display the image; wherein the imaging optical system includes a wavefront detector which receives the beam reflected by the objective part to detect wavefront aberration thereof and a wavefront compensator adapted to compensate the wavefront aberration based on a detection result of the wavefront detector, the wavefront compensator being placed within an optical

Abstract: A fundus imaging apparatus comprises: a beam emitter which simultaneously emits a first laser beam and a second laser beam having a different wavelength from the first beam; an irradiation optical system having a beam scanner which scans the emitted first and second beams in two dimensions on a fundus, the irradiation optical system being adapted to irradiate the emitted first and second beams onto the fundus; a first filter which intercepts the first and second beams reflected by the fundus and second fluorescence from the fundus by irradiation of the second beam and transmits first fluorescence from the fundus by irradiation of the first beam; a second filter which intercepts the first and second beams reflected by the fundus and the first fluorescence from the fundus and transmits the second fluorescence from the fundus; an imaging optical system having a photo-receiving element which receives the first fluorescence having passed through the first filter and the second fluorescence having passed through th

Abstract: An apparatus for observing an eye of an examinee, comprises: an irradiation optical system for irradiating and two-dimensionally scanning a laser beam onto an observational objective part of the eye; an observation optical system having a photo-receiving element, for photo-receiving the laser beam reflected by the objective part to obtain an image of the objective part, the observation optical system sharing at least a part of the irradiation optical system; a display which displays the obtained image; a polarizing member arranged on an optical axis of the observation optical system, an arrangement angle of the polarizing member with respect to the optical axis being changeable to change a polarized component to be transmitted by the polarizing member.