Abstract: A measuring optical system of an ophthalmologic observation apparatus of an embodiment performs OCT of an eye. An image forming part forms an image based on information acquired by OCT. A preliminary operation performing part performs a plurality of preliminary operations for OCT. Storage stores, for at least one specific preliminary operation among the plurality of preliminary operations, operating condition information including a transferring condition for transferring to a different preliminary operation and a terminating condition for terminating a specific preliminary operation in advance.

Abstract: An ophthalmologic apparatus which is capable of preferably executing position matching between an eye and optical system is provided. An ophthalmologic apparatus of an embodiment includes an examination optical system, supporting part, driver, two or more imaging parts, analyzer and controller. The examination optical system is used for an examination of the eye. The supporting part supports a face of a subject. The driver moves the examination optical system and the supporting part relatively and three-dimensionally. The two or more imaging parts substantially simultaneously photograph an anterior eye part of the eye from different directions. The analyzer obtains a three-dimensional position of the eye by analyzing two or more photograph images acquired by the two or more imaging parts substantially simultaneously. The controller controls the driver based on the three-dimensional position to relatively move the examination optical system and the supporting part.

Abstract: An ophthalmologic apparatus capable of performing suitable examination according to the state of the eye includes an examination optical system used to examine an eye, a drive part, two or more imaging parts, an analyzer, and a controller. The drive part moves the examination optical system. The two or more imaging parts substantially simultaneously photograph the anterior segment of the eye from different directions. The analyzer analyzes photographic images captured by the two or more imaging parts to obtain the three-dimensional position of the eye, and displacement information indicating the displacement direction and displacement amount of the eye due to eye movement. The controller performs a first alignment process of controlling the drive part based on the three-dimensional position to move the examination optical system and a second alignment process of controlling the drive part based on the displacement information to move the examination optical system.

Abstract: An ophthalmologic apparatus which is capable of preferably executing position matching between an eye and optical system is provided. An ophthalmologic apparatus of an embodiment includes an examination optical system, supporting part, driver, two or more imaging parts, analyzer and controller. The examination optical system is used for an examination of the eye. The supporting part supports a face of a subject. The driver moves the examination optical system and the supporting part relatively and three-dimensionally. The two or more imaging parts substantially simultaneously photograph an anterior eye part of the eye from different directions. The analyzer obtains a three-dimensional position of the eye by analyzing two or more photograph images acquired by the two or more imaging parts substantially simultaneously. The controller controls the driver based on the three-dimensional position to relatively move the examination optical system and the supporting part.

Abstract: An ophthalmologic apparatus which is capable of preferably executing position matching between an eye and optical system is provided. An ophthalmologic apparatus of an embodiment includes an examination optical system, supporting part, driver, two or more imaging parts, analyzer and controller. The examination optical system is used for an examination of the eye. The supporting part supports a face of a subject. The driver moves the examination optical system and the supporting part relatively and three-dimensionally. The two or more imaging parts substantially simultaneously photograph an anterior eye part of the eye from different directions. The analyzer obtains a three-dimensional position of the eye by analyzing two or more photograph images acquired by the two or more imaging parts substantially simultaneously. The controller controls the driver based on the three-dimensional position to relatively move the examination optical system and the supporting part.

Abstract: An ophthalmologic apparatus includes an examination optical system, drive part, two or more imaging parts, analyzer, storage, position corrector, and controller. The examination optical system examines an eye. The drive part moves the examination optical system. The imaging parts substantially simultaneously photograph the anterior segment of the eye from different directions. The analyzer analyzes two or more photographic images captured substantially simultaneously by the imaging parts to obtain a three-dimensional position of the eye. The storage stores correction information in advance. The correction information is acquired based on optical properties of eyeballs, and used to correct the position of the eye in the optical axis direction of the examination optical system. The position corrector corrects the three-dimensional position obtained by the analyzer based on the correction information.

Abstract: A measuring optical system of an ophthalmologic observation apparatus of an embodiment performs OCT of an eye. An image forming part forms an image based on information acquired by OCT. A preliminary operation performing part performs a plurality of preliminary operations for OCT. Storage stores, for at least one specific preliminary operation among the plurality of preliminary operations, operating condition information including a transferring condition for transferring to a different preliminary operation and a terminating condition for terminating a specific preliminary operation in advance.

Abstract: An ophthalmologic apparatus includes an examination optical system, drive part, two or more imaging parts, analyzer, storage, position corrector, and controller. The examination optical system examines an eye. The drive part moves the examination optical system. The imaging parts substantially simultaneously photograph the anterior segment of the eye from different directions. The analyzer analyzes two or more photographic images captured substantially simultaneously by the imaging parts to obtain a three-dimensional position of the eye. The storage stores correction information in advance. The correction information is acquired based on optical properties of eyeballs, and used to correct the position of the eye in the optical axis direction of the examination optical system. The position corrector corrects the three-dimensional position obtained by the analyzer based on the correction information.

Abstract: An ophthalmologic apparatus capable of performing suitable examination according to the state of the eye includes an examination optical system used to examine an eye, a drive part, two or more imaging parts, an analyzer, and a controller. The drive part moves the examination optical system. The two or more imaging parts substantially simultaneously photograph the anterior segment of the eye from different directions. The analyzer analyzes photographic images captured by the two or more imaging parts to obtain the three-dimensional position of the eye, and displacement information indicating the displacement direction and displacement amount of the eye due to eye movement. The controller performs a first alignment process of controlling the drive part based on the three-dimensional position to move the examination optical system and a second alignment process of controlling the drive part based on the displacement information to move the examination optical system.

Abstract: An ophthalmologic apparatus which is capable of preferably executing position matching between an eye and optical system is provided. An ophthalmologic apparatus of an embodiment includes an examination optical system, supporting part, driver, two or more imaging parts, analyzer and controller. The examination optical system is used for an examination of the eye. The supporting part supports a face of a subject. The driver moves the examination optical system and the supporting part relatively and three-dimensionally. The two or more imaging parts substantially simultaneously photograph an anterior eye part of the eye from different directions. The analyzer obtains a three-dimensional position of the eye by analyzing two or more photograph images acquired by the two or more imaging parts substantially simultaneously. The controller controls the driver based on the three-dimensional position to relatively move the examination optical system and the supporting part.

Abstract: An ophthalmic device is provided with a photographing optical system that photographs an eye fundus; an illumination optical system that illuminate the eye fundus; a split target projection optical system that projects a split target for focusing the photographing optical system on the eye fundus; an alignment target projection optical system that projects an alignment target (AL) for aligning the photographing optical system with an examining eye; an observation optical system that displays optical images of the eye fundus; and a pseudo-target display processing unit that takes an observation video signal output by the observation optical system in, detects at least one of positions of the split target and the alignment target in the observation video signal, and displays a pseudo-target on the monitor in accordance with the detected position.

Abstract: An ophthalmologic imager comprises an illuminating optical system for projecting an illuminating light beam onto an ocular fundus, a light-receiving optical system having a focusing lens and serving to guiding the light reflected from the ocular fundus to an imaging section, and a focusing target projecting optical system having a bar mirror detachably inserted in the optical path of the illuminating optical system and serving to project split focusing target light beams onto the ocular fundus through the bar mirror and the illuminating optical system. A mirror image of the bar mirror is projected onto the ocular fundus by using the illuminating light beam. The ophthalmologic imager further comprises a judging device which judges the sharpness of the contour of the mirror image or the focusing target light imagers from the output of the light-receiving section and judges the focusing state by the focusing lens from the sharpness.

Abstract: An ophthalmic device is provided with a photographing optical system that photographs an eye fundus; an illumination optical system that illuminate the eye fundus; a split target projection optical system that projects a split target for focusing the photographing optical system on the eye fundus; an alignment target projection optical system that projects an alignment target for aligning the photographing optical system with an examining eye; an observation optical system that displays optical images of the eye fundus; and a pseudo-target display processing unit that takes an observation video signal output by the observation optical system in, detects at least one of positions of the split target and the alignment target in the observation video signal, and displays a pseudo-target on the monitor in accordance with the detected position.

Abstract: An ophthalmologic imager comprises an illuminating optical system (10) for projecting an illuminating light beam onto an ocular fundus, a light-receiving optical system (an imaging optical system (20), an observing optical system (30)) having a focusing lens and serving to guiding the light reflected from the ocular fundus to an imaging section (CCD6b), and a focusing target projecting optical system (190) having a bar mirror (190a) detachably inserted in the optical path of the illuminating optical system and serving to project split focusing target light beams onto the ocular fundus through the bar mirror (190a) and the illuminating optical system (10). A mirror image (190a?) of the bar mirror is projected onto the ocular fundus by using the illuminating light beam.

Abstract: A fundus camera which includes an illumination optical system for projecting an illumination light to a fundus of a subject's eye: a photographing device for photographing the fundus; and light-receiving optical systems, which include a focus lens disposed in a light-receiving optical path for focusing the photographing devices with respect to the fundus and diopter compensation lenses disposed for being inserted into or withdrawn from the light-receiving optical path for guiding reflected light from the fundus to the photographing devices; a controlling device for determining whether a feasible focusing range of the focus lens is surpassed; and driving devices for inserting the diopter compensation lenses into or withdrawing them from the light-receiving optical path. The controlling device controls the driving devices in a defined manner.

Abstract: Provided is an operation microscope where manipulations to be performed in response to switching between methods for observing an eye to be operated are performed in an interlocked manner, thereby improving manipulability. When recognizing that a change-over switch is switched to its upper position, a control circuit controls a drive apparatus so that an operator microscope is raised, controls a drive mechanism so that an optical unit is moved to an inverter-on position, changes the turned-on position of a light source so that an illumination light flux forms a small angle with respect to an observation optical axis, and controls a solenoid so that a stereo variator is moved to be arranged on an optical path of an observation light flux.

Abstract: The present invention provides a fundus camera which comprises an illumination optical system (10) for projecting an illumination light to a fundus (Ef) of a subject's eye; photographing devices (6a, 6b) for photographing the fundus (Ef); and light-receiving optical systems (20, 30), which include a focus lens (21) disposed in a light-receiving optical path for focusing the photographing devices (6a, 6b) with respect to the fundus (Ef) and diopter compensation lenses (200, 201) disposed for being inserted into or withdrawn from the light-receiving optical path, for guiding reflected light from the fundus (Ef) to the photographing devices (6a, 6b); and a controlling device (9) for determining whether a feasible focusing range of the focus lens (21) is surpassed; and driving devices (200a, 201a) for inserting the diopter compensation lenses (200, 201) into or withdrawing them from the light-receiving optical path, wherein the controlling device (9) controls the driving devices (200a, 201a) to insert into the li

Abstract: An ophthalmologic photographing apparatus including: an apparatus main body having an illumination system for illuminating an eye to be examined and an observation system for observing an image of the eye to be examined which is illuminated by the illumination system; a photographing device for taking a light flux from the eye to be examined from an optical path of the observation system, photographing the image of the eye to be examined and recording the image; a storage unit for storing a photographing condition related to the apparatus main body and a photographing processing condition related to the photographing device for each of plural kinds of photographing processing modes in photographing and storing the eye to be examined; a designating unit for designating a photographing processing mode for the eye to be examined; and a setting unit for reading out a photographing condition related to the apparatus main body and a photographing processing condition related to the photographing device for a corres

Abstract: An ophthalmic apparatus including a photographic optical system (31, 48) capable of photographing a tested eye (E) and obtaining an image of the tested eye, a drive device (76, 83, 90) configured to drive the photographic optical system relative to the tested eye in three-dimensions, an alignment target projecting optical system (56) to project alignment light flux to the tested eye, and a control device (84) configured to control the drive device based on a ate of reflection light flux formed by reflection of the alignment light flux projected by the alignment target projecting optical system on the tested eye, when a flare occurs in the reflection light flux of the alignment light flux reflected on the tested eye, the control device being configured to control the drive device to move the photographic optical system in a direction where the flare decreases.

Abstract: Provided is an operation microscope where manipulations to be performed in response to switching between methods for observing an eye to be operated are performed in an interlocked manner, thereby improving manipulability. When recognizing that a change-over switch is switched to its upper position, a control circuit controls a drive apparatus so that an operator microscope is raised, controls a drive mechanism so that an optical unit is moved to an inverter-on position, changes the turned-on position of a light source so that an illumination light flux forms a small angle with respect to an observation optical axis, and controls a solenoid so that a stereo variator is moved to be arranged on an optical path of an observation light flux.