44 results about "Ophthalmic surgical microscope" patented technology

An ophthalmic surgical microscope comprises: an observation optical system for observing a patient's eye during surgery; a corneal shape measuring unit for measuring a corneal shape of the patient's eye placed in a surgical position; and a controller configured to output guide information for guiding a surgery with an intraocular lens based on a measurement result obtained by the corneal shape measuring unit to an output device.

A fiber optic ophthalmic surgical microscope with camera assembly comprises a fiber optic cable (102), a micro lens unit (103), a surgical instrument attached with the fiber optic cable (102), a signal splitter (105), a surgical operating microscope (106), a switch-over mechanism (111) and at least a device for viewing the images. The surgical instrument includes a chopper, a dialer, sinsky's hooks, a manipulator, micro forceps, a coaxial irrigation and aspiration (Infusion Aspiration) canula, bimanual Infusion Aspiration canula or combination thereof. The switch-over mechanism is a button. The button is provided on the signal splitter. The device for viewing the images is selected from a group comprising TV monitor and VCR.

The invention relates to a surgical microscope (1) having a microscope main objective (12) for the visualization of an object plane (45) in an object region (9). The microscope main objective (12) is passed through by a first stereoscopic component beam path (5) and by a second stereoscopic component beam path (7). The ophthalmologic surgical microscope (1) includes an adjustable illuminating arrangement (15) which makes illuminating light available. The illuminating arrangement (15) has an illuminating optic having a beam deflecting unit (19) which is mounted on the side of the microscope main objective (12) facing away from the object region (9) in order to direct the illuminating light through the microscope main objective (12) to the object region (9). In a first position of the illuminating arrangement (15), the illuminating light passes through the cross sectional area (89) of the microscope main objective (12) in an area section (91, 92), which at least partially surrounds the optical axis of the first stereoscopic component beam path (5) and/or the optical axis of the second stereoscopic component beam path (7). According to the invention, in an at least one further position of the illuminating arrangement (15), the illuminating light passes through the cross sectional area (89) of the microscope main objective (12) in a surface section (93, 95) whose area centroid (97, 99) is spaced from the optical axis of a stereoscopic component beam path (5, 7) by more than the stereo basis (101) of the two stereoscopic component beam paths (5, 7) from the optical axis of the other stereoscopic component beam paths (7, 5).

The disclosure provides a system including an augmented reality device communicatively coupled to an imaging system of an ophthalmic microscope. The augmented reality device may include a lens configured to project a digital image, a gaze control configured to detect a focus of an eye of an operator, and a dimming system communicatively coupled to the gaze control and the outer surface and including a processor that receives a digital image from the imaging system, projects the digital image on the lens, receives a signal from the gaze control regarding the focus of the eye of the operator, and transitions the outer surface of the augmented reality device between at least partially transparent to opaque based on the received signal. The disclosure further includes a method of performing ophthalmic surgery using an augmented reality device and a non-transitory computer readable medium able to perform augmented reality functions.

A surgical microscope (100) for ophthalmology includes a measuring unit (110) for determining at least one characteristic value of a patient eye (104). The measuring unit (110) is connected to a computer unit (120) which calculates a model of the patient eye (104) based on the determined characteristic variables. The surgical microscope also includes a display device for displaying the calculated model of the patient eye (104) or characteristic variables that are derived from the calculated model.

The invention discloses a microscope system used for an ophthalmologic operation. The system comprises a microimaging light path module, an illumination light path module, a control system and virtualreality equipment; the illumination light path module is used for providing illumination for the microscope system; an operation camera shooting module is connected with the inside of the microimaging light path module and is used for shooting an inspected eye image of a to-be-inspected object and transmitting the image to the control system; the control system receives the inspected eye image and provides the inspected eye image magnified by the microimaging light path module for virtual reality equipment. The microscope system used for the ophthalmologic operation can provide the magnifiedimage of the inspected eye for a surgeon so that the surgeon can get rid of the restriction of always looking towards an eyepiece tube, surgeons only need to wear the virtual reality equipment, and the system is beneficial for performing operations.

A surgical microscope (1) for ophthalmology includes a tube unit (4) which permits viewing an area (5) of surgery, especially a forward section of the eye, through a microscope main objective (2). The surgical microscope (1) includes an illuminating system (10) which makes available the illuminating light to illuminate the surgical area (5), especially the forward section of the eye. To provide daylight-like illuminating light, the illuminating system includes a xenon illuminating light source (11) or a metal halogen illuminating light source. At least one interference filter (22, 23) is provided in the illuminating beam path (15a). The cutoff frequency of the interference filter lies such that illuminating light in the ultraviolet range is filtered out and illuminating light in the visible wavelength range is attenuated, if at all, to an insignificant extent in order to reduce the phototoxicity of the illuminating light for the human eye.

The invention discloses an ophthalmic surgery microscope system combined with OCT (Optical Coherence Tomography) imaging. The ophthalmic surgery microscope system comprises a microscopic imaging optical path module, an illumination optical path module and an ophthalmic OCT imaging optical path module, wherein the microscopic imaging optical path module is used for magnifying imaging an examined eye; the illumination optical path module is used for providing illumination for an optical path of the microscopic system; the ophthalmic OCT imaging optical path module is used for acquiring and displaying an OCT image of the examined eye. According to the ophthalmic surgery microscope system combined with OCT imaging disclosed by the invention, the OCT imaging optical path module is combined withthe ophthalmic surgery microscope, so that a doctor can observe the image information of the anterior segment of the examined eye and observe the OCT image of the anterior segment of the examined eyeat the same time, more image data are provided for the fundus surgery of patients, and the application of the surgery microscope system is expanded.

The invention provides an ophthalmic surgery microscope system. The system comprises a microscopic imaging light path module which is used for amplifying and imaging a detected eye, an illumination light path module which is used for providing illumination for the light path of the microscope system, and an ophthalmic OCT imaging light path module which is used for collecting and displaying an OCTimage of the detected eye. A posterior segment module is combined with the ophthalmic OCT imaging light path module, and tomography of the eye ground of a to-be-detected object can be realized. The posterior segment module is combined with the microscopic imaging light path module, and microscopic amplifying and imaging of the eye ground of the to-be-detected object can be achieved. According tothe ophthalmic surgery microscope system, the posterior segment module, the OCT imaging light path module and an ophthalmic surgery microscope are combined so that microscopic imaging of the eye ground can be carried out, eye ground OCT scanning can also be carried out, tomographic imaging is provided for doctors during operations, detection of the eye ground is facilitated, and the application range of the surgery microscope system can be effectively expanded.

The invention relates to an eye surgery microscopy system (1) having an imaging optic (14, 11) for the generation of the image of an object plane (15) and having an electronic image sensor (22), which detects the image of the object plane (15) and is connected to a computer unit (5) for the computation of the position of the center of a circular structure (44) of a patient eye (16). The computer unit (5) is designed for the computation of the position of a patient eye (16) outside of the center (52) of the circular structure (44) and provided with at least one marking (46, 48). The computer unit (5) determines the position of the at least one marking (46, 48) with reference to the computed center (52) by means of image processing via correlation with a comparison information, and an angular position of the at least one marking (46, 48) with reference to the computed center (52) by means of image processing.

Disclosed are an illumination device for an observation device comprising one, two or more observation beam paths with one respective beam of observation rays, especially for an ophthalmologic surgical microscope, and a corresponding observation device. Said illumination device is provided with at least one light source for generating at least one beam of observation rays in order to illuminate an object that is to be observed. According to one embodiment of the invention, at least two partial bundles of illumination rays are provided, each of which extends coaxial to a corresponding beam of observation rays, while the partial beams of illumination rays are embodied so as to form two or several illumination spots on the fundus of an object that is to be observed, e.g. an eye, said illumination spots having variable sizes, thus allowing the illumination beam to cooperate in a precisely defined manner with the observation beam paths, which makes it possible to meet especially the practical requirements regarding homogeneity of the red reflex.

An ophthalmic surgical microscope can include a movable optical element positioned in an optical pathway of light reflected from a surgical field. The movable optical element can be configured to oscillate in a direction along the optical pathway. The microscope can include an actuator coupled to the movable optical element and configured to move in response to a control signal. The microscope can include a computing device in communication with the actuator and configured to generate the control signal to move the movable optical element. In some embodiments, the computing device is configured to generate the control signal to move the movable optical element with an oscillation frequency greater than the critical flicker fusion rate.

A lighting device (40) is described for an observation device (10), in particular for an ophthalmologic operating microscope, as well as such an observation device (10). The lighting device (40) has a light source (41) as well as a number of optical components, which are provided between light source (41) and an objective element (11). The optical components are designed according to the invention in such a way that the imaging of the lighting pupil (43) and the observation pupils is produced on the fundus of the eye (30). In this way, an exactly defined interaction of the lighting beam path (56) with an observation beam path is made possible, whereby practical requirements can be fulfilled relative to the homogeneity of the red reflex with simultaneous sufficiently good contrasting.

The invention provides a multi-position stereoscopic mesoscopic multi-wavelength video ophthalmologic operation microscope in the field of microscopes. The microscope comprises a zoom drum which is provided with a first microscope objective group position in the middle, and is symmetrically provided with a plurality of second microscope objective group positions around the first microscope objective group position; a multi-position three-dimensional microscopic camera assembly mounted on the zoom drum through the second microscope objective group; a middle-path microscopic camera mounted on the zoom drum through the first microscopic objective lens group; a multi-wavelength multi-angle lighting assembly arranged under the zoom drum; a multi-position three-dimensional monitor arranged underthe zoom drum and connected with the multi-position three-dimensional microscopic camera assembly; and a multi-directional middle-path monitoring screen arranged under the zoom drum, positioned between the multi-wavelength multi-angle lighting assembly and the multi-position three-dimensional monitor, and connected with the middle-path microscopic camera. The microscope has the advantages that the use convenience, the safety and the image display effect of the microscope are greatly improved, the fatigue of a user is reduced, and the cooperation of multiple persons is facilitated.