12 results about "Ophthalmic surgical microscope" patented technology

The invention relates to a method for controlling an ophthalmic surgical microscope (2) with an OCT device (3), the method having the following steps: • carrying out a first OCT scan (30), wherein the first OCT scan is carried out such that only a part of a phakic intraocular lens (26) implanted in the patient's eye (11) and only a part of an anterior capsular bag wall (19) of the patient's eye are captured in the first OCT scan (30), • determining a first absolute value (B1) of a first geometric parameter in the first OCT scan (30) by means of an image processing device (5), • carrying out a second OCT scan (33), wherein the second OCT scan is carried out such that only a part of a cornea (13) or sclera (21) and only a part of the iris (14) adjacent thereto are captured in the second OCT scan (33), • determining a second absolute value (B2) of a second geometric parameter in the second OCT scan (33) by means of the image processing device (5), • forming a first result (E1) by performing a mathematical operation on the first absolute value (B1) and a predetermined first base value (BA1) and forming a second result (E2) by performing a mathematical operation on the second absolute value (B2) and a predetermined second base value (BA2), wherein the first result (E1) and the second result (E2) are calculated by means of a calculation device (6), • outputting an output on the basis of the first result (E1) and the second result (E2) by means of an output device (7).

The invention provides a stereoscopic vision optimization device for an ophthalmologic operation microscope, and relates to the technical field of microscopes, the stereoscopic vision optimization device comprises a shell, the shell is suitable for being matched with a front lens of the microscope, the shell is arranged on one side, facing an objective lens, of the front lens, the shell is provided with a light path channel, and the light path channel is through in the direction from the front lens to the objective lens; the shielding assembly is arranged at the end, away from the front lens, of the shell and comprises a communicating part and a shielding part, the shielding part is arranged around the periphery of the communicating part, the communicating part is communicated with the light path channel, and light in a binocular image fusion area of the operating microscope is suitable for entering the objective lens through the light path channel and the communicating part. The stereoscopic vision optimization device can avoid the influence of monocular vision fundus images, defocused images of the front mirror frame and defocused images of the background outside the mirror frame on image fusion of the brain of an observer, improves the image fusion effect of binocular images in the brain of the observer, improves the comfort of binocular observation, and reduces the possibility of asthenopia.

An ophthalmic system for visualizing interaction between an ocular matter and a probe tip of a probe within or in contact with an ocular space of an eye includes a visualization tool having a field of view that encompasses at least a portion of the ocular space of the eye at an interface of the probe tip and the ocular matter, and a stroboscopic illumination source configured to stroboscopically illuminate the at least the portion of the field of view at an illumination frequency. A method for operating a stroboscopic illumination source during an ophthalmic procedure includes identifying an illumination source type of the stroboscopic illumination source, identifying a probe type, identifying a first procedure trigger, and operating the stroboscopic illumination source based on the probe type, the illumination source type, and the first procedure trigger.

The utility model relates to the technical field of goggles, in particular to a turnover ophthalmology laser operation goggle which comprises a long-strip-shaped supporting frame, first blocking parts are arranged at the two ends of the supporting frame, and a second blocking part is arranged in the middle of the supporting frame; the first blocking part and the second blocking part form a placing groove for placing an ophthalmic operation microscope eyepiece; the fixing part is arranged on the support frame and is used for fixing the support frame on the ocular lens of the ophthalmologic operation microscope; the protective lens is hinged to the supporting frame through the connecting part. The ophthalmic laser operation goggles can be accurately placed on an eyepiece of a microscope through the placing groove, and when laser protection is needed, the protective lens can be put down to block in front of the eyepiece of the microscope, so that the protective effect is achieved; when the laser protection is not needed, the surgical field can recover to the conventional light only by turning over the protective lens upwards, the operation is simple and convenient, and the operation continuity of a doctor is not influenced.

An optical system for forming uniform illumination is disclosed. The optical system includes a light source coupled to a plurality of first light carriers providing a plurality of light intensities, and a second light carrier coupled to the plurality of first light carriers. The second light carrier spatially homogenizes the plurality of light intensities to form a homogenized light intensity. The optical system further includes an illumination module coupled to the second light carrier and operable to receive the homogenized light intensity.

The utility model relates to a zero-degree coaxial LED red light reflection device of an ophthalmologic operation microscope. A red light reflection light axis is arranged on a preset axis of a microscopic primary mirror; a microscope objective lens is arranged below the microscope primary mirror along the red light reflecting light axis; a miniature coaxial LED red light reflecting device is arranged between the microscope primary mirror and the microscope objective lens along a red light reflecting light axis; therefore, the generated light is coaxially irradiated with the microscopic primary mirror and the red light reflection light axis, and coaxial red light reflection illumination light is realized. The lens can be embedded between the left optical axis and the right optical axis of the primary mirror; a built-in integrated microscope is used for control; the zero-degree coaxial LED illumination light with an independent light source is high in illumination brightness and uniform in light spot, observation of a microscope is not affected, the zero-degree coaxial incident angle LED illumination light which is bright enough is achieved, and strong red light reflection is obtained. The device and the microscope are integrally controlled, the integrity of the microscope is realized, and the function of the microscope is improved.

The disclosure provides an ophthalmic surgical microscope including an optical axis. The ophthalmic surgical microscope also includes at least one light source configured to provide illumination having a wavelength range between 575 nm and 625 nm. The ophthalmic surgical microscope further includes a control device for directing the illumination at an acute angle relative to the optical axis of the microscope.

The present invention relates to a single and / or dual laser delivery system attached to an existing ophthalmic operating microscope, comprising of a single and / or dual wavelength laser unit [1]; and a delivery system [5]. The laser unit [1] comprises of a green laser module 532 nm [3] and a yellow laser module 577 nm [4] along with an aiming beam [7] 635 nm. The delivery system comprises of a right-angle prism [5A]: X and Y Galvo assembly [5B] and a focusing lens assembly [5C]. The laser unit passes through a fiber optic cable [6] gets reflected using the right angle prism, gets deflected by the Galvo assembly, enters the focusing lens assembly and gets reflected by a folding mirror [5D] and focused on human eye capsule. The system converges and focuses the laser wavelengths in line with the aiming beam to create a circular pattern to accomplish a pre-measured Capsulorhexis.

An ophthalmic system for visualization of interactions between ocular matter and a probe tip of a probe within or in contact with an ocular space of an eye includes: a visualization tool having a field of view that includes at least a portion of the ocular space of the eye where the probe tip interfaces with the ocular matter; and a stroboscopic illumination source configured to stroboscopically illuminate at least the portion of the field of view at an illumination frequency. A method of operating a stroboscopic illumination source during an ophthalmic surgical procedure includes: identifying an illumination source type of the stroboscopic illumination source; identifying a probe type; identifying a first procedure trigger; and operating the stroboscopic illumination source based on the probe type, the illumination source type, and the first procedure trigger.

The utility model relates to the technical field of ophthalmologic operations, in particular to an ophthalmologic operation microscope which comprises a microscope body, a connecting column is fixedly connected to the outer side of the center of the microscope body, a hollow plate is fixedly connected to one end, away from the microscope body, of the connecting column, an air groove is formed in the hollow plate, and air outlet holes are formed in the inner wall of the hollow plate. A connecting flange is fixedly connected to the middle of the bottom of the hollow plate. An air conveying hose is fixedly connected into the connecting flange. Through the design cooperation of the fan and the hollow plate, when the microscope body is used for a long time, the fan blows external air to the microscope body through the air conveying hose and the air groove in the hollow plate and then through the air outlet holes in the inner wall of the hollow plate, so that the temperature of an electronic element in the middle of the interior of the microscope body can be effectively reduced; the microscope body is prevented from overheating due to long-time work, and the stability and the service life of the microscope body are improved.

The utility model belongs to the field of ophthalmology microscopes, particularly relates to a coaxial illumination mechanism for assisting an ophthalmology operation microscope, and aims to solve the problems that most existing structures are fixed, and the observation angle of the existing structures is hindered due to the fact that the direction of irradiation light is the same as the view angle direction of a main sight glass. In order to solve the problems in the prior art, the utility model provides the following scheme: the device comprises a main lens, the bottom of the main lens is connected with an objective lens connecting sleeve, and the bottom end in the objective lens connecting sleeve is provided with a large objective lens; the illumination assembly is used for light illumination, the illumination assembly is arranged on one side of the objective lens connecting sleeve and comprises a lens sleeve shell and an LED module, the position and angle of the illumination assembly can be adjusted within a certain range, the illumination assembly has certain flexibility, the phenomenon that the sight is blocked can be avoided, the illumination position can be adjusted according to needs, and the illumination effect is improved. Therefore, the practicability is greatly improved.