84 results about "Ophthalmologic examination" patented technology

The invention belongs to the technical field of ophthalmic examination supports, and particularly relates to a multi-degree-of-freedom quick-release adjusting support for an ophthalmic examination lens, and the multi-degree-of-freedom quick-release adjusting support comprises a tightening mechanism and a first spherical universal joint mounted at one end of the tightening mechanism, and one end of the first spherical universal joint is connected with a first joint cylinder; the other end of the first joint cylinder is connected with a mechanical main arm, the other end of the mechanical main arm is connected with a rotating cylinder, the spherical universal joint structural design is adopted, 360-degree multi-direction accurate adjustment of the lens support can be achieved, a doctor can flexibly control the position of a lens only through simple hand operation, rapid and accurate positioning is achieved, the operation is simple, and the working efficiency is improved. The support is convenient to operate and compact in structure, has a reliable locking function, can effectively guarantee the stability of the lens after being adjusted, can be rapidly matched with ophthalmic examination lenses of different specifications, and effectively improves the operation convenience and examination accuracy in the eye examination process.

To suppress the increase of inspection time.SOLUTION: An ophthalmologic examination apparatus includes: imaging means for imaging a subject's eye of a subject; and display control means for controlling display means to change a first display related to first manual alignment control to a second display related to second manual alignment control different from the first manual alignment control after automatic alignment control for automatically adjusting a positional relationship between the imaging means and the subject's eye to be set within a predetermined range is started.SELECTED DRAWING: Figure 1

The present invention discloses a shared ophthalmic examination report image management system, belonging to the field of image management technology. The present invention solves the problem that existing technologies have difficulty in achieving image sharing and intelligent analysis. By constructing an image sharing platform, ophthalmic examination report images can be centrally stored and managed based on the platform. Quantum algorithms are used to encrypt and protect images and optimize them, improving image standardization, thereby preventing misdiagnosis by doctors with less clinical experience and ensuring data security and privacy. A quantum simulation model is also used to perform intelligent analysis on stored ophthalmic examination report images, assisting doctors in making rapid diagnoses of the reports, thereby improving diagnostic accuracy and consultation speed, and shortening waiting times for subsequent patients. A role-based access control mechanism is also established to ensure that each user can only access data within their authority, preventing unauthorized access and improving the confidentiality and practicality of the image sharing platform.

1. Name of the product in this design: Ophthalmic Examination Device. 2. Purpose of this design: For use in ophthalmic examination devices. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

The invention provides an ophthalmic examination auxiliary device, and relates to the technical field of ophthalmic examination, the ophthalmic examination auxiliary device comprises a base, a mounting seat fixedly connected with one side of the base, a support frame arranged on the working surface of the top end of the mounting seat, and an eyelid turning mechanism connected with the support frame through a moving mechanism; a lower jaw supporting plate is arranged on the mounting seat, and the lower jaw supporting plate is positioned on the opposite side of the supporting frame; the support frame is clamped with the forehead support plate; the eyelid turning mechanism comprises oppositely-arranged limiting frames, an adjusting piece penetrating through the limiting frames and an eyelid opener connected with the telescopic end of the adjusting piece. The limiting frame has an inclined radian matched with an eyelid; through the arrangement of the eyelid turning mechanism, the limiting frame and the adjusting piece which are matched with the radian of the eyelid are adopted, multi-point accurate force application can be carried out according to the wrinkle sagging conditions of different positions of the eyes of the old people, so that the eyelid is stably and comprehensively turned over, and a clear and unshielded observation view is provided for slit lamp inspection.

The application provides an objective refraction system and method of refractive state, comprising: a laser light source emitting three beams of blue laser, green laser and infrared laser, an optical beam splitter splitting the three beams into a reference light path and a measurement light path; a plane mirror reflecting the reference light path back to the original path and being received by an interference measurement device; a light adjusting device refracting the measurement light path to realize range measurement of a measurement object, the refracted measurement light path being reflected back to the original path by the measurement object and then being received by the interference measurement device; then, the interference measurement device obtains an interference measurement signal according to the incident measurement light path and the reference light path, a data processing device obtains refractive factor data of the measurement object according to the interference measurement signal, and obtains refractive refraction data of the measurement object according to the refractive factor data. The application can realize the ophthalmic examination that can be completed by multiple devices through one measurement, can quickly understand the real state of the eyeball and judge the myopia condition, and improves the myopia examination efficiency.

The invention discloses a modular integrated rapid ophthalmology screening vehicle and an examination method thereof, and relates to the technical field of ophthalmology examination. The inspection mechanism is mounted on the rear side of the bottom inner wall of the screening vehicle body; the two shading mechanisms are mounted between the top inner wall and the bottom inner wall of the screening vehicle body; through cooperative work of the vision detection module, the fundus imaging module, the intraocular pressure detection module, the slit lamp module and the AI auxiliary diagnosis module, and efficient interconnection between equipment in each module and the host server through USB-C and HDMI dual interfaces with unified specifications, the functional modules can be flexibly increased or decreased according to requirements of different screening scenes; the problems that a traditional whole machine integrated device is complex in structure and large in deployment difficulty are solved, multi-dimensional detection such as refraction detection, fundus imaging and intraocular pressure measurement can be completed through professional devices of all the modules, the screening efficiency and diagnosis accuracy are greatly improved, and the coverage range of ophthalmology screening service is effectively expanded.

The multi-purpose ophthalmic examination device comprises an examination shell, an opening replacement mechanism, an examination mechanism, a hinge tightening mechanism and a ventilation mechanism, an arc-shaped plate is fixedly arranged in the examination shell, grooves are symmetrically formed in the arc-shaped plate, springs are symmetrically and fixedly arranged on the inner sides of the grooves, and arc-shaped limiting strips are fixedly arranged on the inner sides of the springs in a matched mode; a replacement seat is clamped between the arc-shaped limiting strips in a matched mode, a rubber opening piece is fixedly arranged on the front side of the replacement seat in a matched mode, a limiting groove is formed in the exterior of the replacement seat in a surrounding mode, an inspection mechanism is arranged in the inspection shell, hinge tightening mechanisms are arranged on the two sides of the exterior of the inspection shell, and a ventilation mechanism is arranged above the inspection shell. An arc-shaped limiting strip is pushed to be clamped into a limiting groove in a replacement seat through elasticity of a spring, rapid replacement is facilitated after examination is completed, the problem that an opening piece needs to be repeatedly disinfected after examination is solved, the face of a user is covered with an examination shell, a tightening disc rotates to drive a tightening belt to be tightened and fixed, and the examination efficiency is improved. And the user can conveniently and autonomously move in the checking process.

The utility model belongs to the technical field of medical devices, and particularly relates to a wireless remote-controlled external fixation lamp for ophthalmic examination, including a frame, an adjustable neck tube is provided on the frame, one end of the adjustable neck tube is detachably connected to the frame, and the other end of the adjustable neck tube is connected to a light-emitting light board, and a plurality of LED indicator lights distributed in a matrix are provided on the light-emitting light board, only one LED indicator light is on at a time, and when other LED indicator lights are switched on, the eyeball can be guided to move. The utility model is convenient for the adjustable neck tube to be adapted to different frames by detachably connecting one end of the adjustable neck tube to the frame; the utility model adopts an adjustable neck tube, which is convenient for adjusting the light-emitting light board connected thereto to a suitable position; the utility model uses a plurality of LED indicator lights to control only one LED indicator light at a time, and when other LED indicator lights are switched on, the eyeball can follow the lighted LED indicator light, which is convenient for fixing the inspection eye to the target inspection part by guiding the non-inspection eye to rotate and fix.

1. Name of the product in this design: Reverse Training Device (D3). 2. Purpose of this design: This design is used for ophthalmic examination and vision training. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

1. Name of the product in this design: Ophthalmic Examination Equipment (Mumu Lingmou). 2. Purpose of this design: This design is intended for ophthalmic examination. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

Optical device, method for calibrating an optical device, in particular data glasses (102), binoculars, a telescope, a microscope, a periscope, virtual reality glasses, mixed reality glasses, cycling glasses, diving goggles, a motorcycle helmet visor, protective goggles, or an ophthalmic examination device, wherein the calibration of the optical device is performed when, in particular, the optical device detects that a case (104) containing the optical device is being closed.

Provided is an ophthalmological device capable of obtaining a brighter and clearer inspection image.　A slit lamp microscope (100) comprises: a background illumination system (60); an imaging unit (50); and a control unit (20). The control unit (20) comprises an inspection image generation unit (21) that generates an inspection image of an inspected eye, on the basis of images captured by the imaging unit (50). The inspection image generation unit (21) has: an image acquisition unit (24) that acquires, from the imaging unit (50), a plurality of images captured through imaging an inspected eye while changing the illumination direction of illumination light with respect to the inspected eye; an image extraction unit (25) that extracts, as a partial image, a portion at which focus is achieved from the plurality of images acquired by the image acquisition unit (24); and an image combination unit (26) that combines a plurality of the partial images extracted by the image extraction unit (25) together to generate an inspection image.

The utility model relates to the technical field of ophthalmic examination, in particular to a clinostatism assist device for ophthalmic examination. According to the technical scheme, the ophthalmic examination clinostatism assist device comprises a control box, a headrest is installed at one end of the control box, a base plate is installed at the end, away from the headrest, of the control box, a rotating shaft is rotationally installed in the control box, a worm is arranged on the rotating shaft, a connecting block is arranged at the bottom end of the headrest, and a connecting rod is arranged on the connecting block. A connecting shaft is inserted into the connecting block, a turbine is arranged at the end, located in the control box, of the connecting shaft, and the rotating shaft is meshed with the turbine of the connecting shaft through a worm so as to drive the connecting shaft to rotate and further drive the headrest connected with the connecting shaft to deflect. The rotating shaft is driven by the hand wheel to rotate, then the worm is driven to be meshed with the turbine, and deflection adjustment of the headrest can be achieved. By means of the design, a doctor can easily adjust the head angle of a patient according to examination requirements, and the examination flexibility and accuracy are improved.

1. Name of the design product: Flashlight (ophthalmology). 2. Use of the design product: For illumination during ophthalmic examinations. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view.

The invention designs a fixing device convenient for eye disease examination and eye operation treatment of a mouse. The fixing device comprises a clamping assembly, a horizontal moving mechanism, a front-back moving mechanism and a clamping mechanism, the horizontal moving mechanism is fixedly installed at the upper end of the clamping assembly, the front-back moving mechanism is movably installed at the upper end of the horizontal moving mechanism, and the clamping mechanism is fixedly installed at the upper end of the front-back moving mechanism. The clamping mechanism can move front and back, left and right through the horizontal moving mechanism and the front-back moving mechanism so that the clamping mechanism can be moved to the corresponding position of ophthalmic examination equipment, and the whole device can be clamped to the lower jaw support part of the slit lamp through the clamping assembly. The front end of the clamping mechanism is of an arc-shaped structure, so that the clamping mechanism can adapt to slit lamps of different models and can fix the slit lamps on ophthalmic examination equipment; for hospitals without special animal experiment operation platforms, the device can be used after being matched, and the defect that a special test bed is needed can be effectively overcome.

The invention relates to the field of medical image processing and computer vision, in particular to a pupil positioning method for lightweight U-Net and unidirectional connected domain extraction, which comprises the following steps: S1, preprocessing an input ocular surface image, including Gamma correction and histogram equalization; s2, inputting the preprocessed image into a lightweight U-Net segmentation network, recovering a final feature map to an original size, inputting into a segmentation layer, and outputting four types of segmentation regions including a background, an iris, a sclera and a pupil; s3, Canny edge detection is applied to the pupil segmentation area, and an ocular surface area boundary is extracted; s4, screening pupil boundaries based on a one-way connected domain extraction strategy, traversing the edge point set, and extracting connected domains of which the lengths are greater than a preset threshold value through a one-way closed path search algorithm; and S5, calculating the center-of-mass coordinates of all pixels in the pupil connected domain, and taking the center-of-mass coordinates as a pupil center positioning result. The automation level and the imaging success rate of equipment are enhanced, the training requirements of operators of ophthalmic examination related equipment are reduced, and the equipment cost and the popularization difficulty are reduced.

1. The name of the design product: desk type eye muscle training instrument (D4100). 2. The use of the design product: the design product is used for ophthalmic examination and vision training. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application discloses a kind of multi-purpose portable ophthalmic examination device and method, it is related to medical equipment technical field, the scheme includes box, the inside of the box is equipped with two placing grooves, the inside of the placing groove is placed with eye detection device, the top of the box is hinged to be connected with lid, the inside of the box is sequentially embedded fixedly installed with two operation panels, the inside of the lid is embedded fixedly installed with display screen, two eye detection devices can be stored and fixed in the application, and it is convenient to carry and move, by being provided with display screen, operation panel and eye detection device, when using, eye detection condition can be directly displayed on display screen, manual observation is not needed, to reduce work burden, users can directly control eye detection device by operation panel, the position and angle of slit lamp can also be changed when using, to facilitate eye examination for different patients.

The utility model discloses a head protection device for ophthalmology slit lamp examination. The head protection device comprises a first protection pad, two second protection pads, a constant temperature device and a fixing band. The first protective pad is arc-shaped and is suitable for being attached to the front side of the upper part of the slit lamp inspection frame. The two second protection pads are both of a semicircular cylinder structure, the two second protection pads are vertically connected to the two ends of the first protection pad respectively, sleeving grooves are formed in the rear sides of the two second protection pads, and the second protection pads are arranged on the two sides of the slit lamp inspection frame in a sleeving mode through the sleeving grooves. The constant temperature device is arranged in the first protective pad and is used for heating the first protective pad; and the fixing band is arranged on the rear side of the first protection pad and is used for fixing the first protection pad on the upper part of the slit lamp inspection frame. According to the head protection device for the ophthalmology slit lamp examination, due to the unique protection design, the constant temperature function, the simple installation mode and the wide applicability, a powerful guarantee is provided for the safety of a patient in the ophthalmology examination process, and meanwhile the overall comfort degree and efficiency of the examination are remarkably improved.

The utility model relates to the technical field of medical instruments, in particular to a pen type flashlight for ophthalmic examination. The problems that the intensity of a light source of a flashlight cannot be adjusted, eyes of a patient feel uncomfortable when irradiated by strong light, and the observation requirement cannot be met if the light source is too weak are solved. According to the design, a mounting cylinder is mounted at one end of a cylinder body, a light source lens is turned on by pressing a control switch, the eyes of a patient are examined, in order to avoid discomfort of the patient caused by the intensity of a light source, an adjusting assembly is additionally arranged, and a rotating ring is rotated to drive a threaded sleeve to stretch out and draw back from the mounting cylinder during use; the position of the light source lens can be conveniently adjusted, so that the intensity of the light source is controlled, discomfort caused by the fact that eyes of a patient are irradiated by strong light is avoided, use is more flexible, edition is more convenient, operation is convenient, the moving position of the threaded sleeve can be guided and limited in cooperation with the limiting assembly, and the stabilizing effect in the moving process of the threaded sleeve is improved.

An ophthalmic examination apparatus (100) comprises an alignment light generator (102), which directs beams (104, 104') of light from separate locations (101, 103) toward an image (112) of an aperture

The invention relates to the technical field of ophthalmic examination equipment, and discloses a slit-lamp microscope for ophthalmic science general examination, the slit-lamp microscope comprises a bottom table, a supporting mechanism arranged above the bottom table, and an observation mechanism arranged above the supporting mechanism, the supporting mechanism comprises a sliding table connected to the top of the bottom table in a sliding manner, and the sliding table is connected to the top of the bottom table in a sliding manner; a supporting base is fixedly connected to the top of the sliding table, through the arranged observation mechanism, for short juveniles, an operator examines the eyes of a patient through vertical openings of an eyepiece, an extension tube and a periscope tube, and the definition can be improved by rotating a rotating shaft to replace different lenses at a replacement groove; for a tall patient, when the periscopic tube is in a vertical opening state, an operator rotates the adjusting shell, so that the observation direction of the periscopic device is changed from the lower part to the upper part, and therefore, eye examination can be carried out on the tall patient under the condition that the sight height of the operator is not changed.

The invention discloses a multipurpose ophthalmic examination device for ophthalmology department, which belongs to the technical field of medical auxiliary instruments and comprises a mounting base and a top seat in sliding fit with the mounting base. An arc-shaped groove is formed in the mounting base, a lower jaw adjusting mechanism is arranged in the arc-shaped groove, the lower jaw adjusting mechanism is in sliding fit with the mounting base, an examination left-right adjusting mechanism is arranged on the top base, and the examination left-right adjusting mechanism is in sliding fit with the top base. Two ophthalmic examination adjusting mechanisms are arranged on the examination left-right adjusting mechanism, and the two ophthalmic examination adjusting mechanisms are symmetrically arranged. When ophthalmic examination is carried out, examination blind areas are fully exposed, view shielding is eliminated, patients with different eye anatomical features are adapted, the traction force and direction are controllable, the injury risk is reduced, the traction state is stable, and examination accuracy is guaranteed.

The invention discloses a convenient-to-adjust examining table for ophthalmology department in the technical field of ophthalmology department examination. The convenient-to-adjust examining table comprises a fixed seat, a horizontal driving assembly and a vertical driving assembly, extrusion cavities are symmetrically formed in the fixed seat; one end of the connecting rod is fixedly connected with an extrusion block; an air conveying channel is formed in one side of each extrusion cavity; a vision tester body is mounted at the top end of the fixing seat, and lenses are symmetrically embedded in one side, close to the supporting seat, of the vision tester body; the visual acuity tester further comprises annular air guide grooves symmetrically formed in the visual acuity tester body, a plurality of air guide outlets are formed in the inner top walls of the annular air guide grooves, and drainage channels arranged in the visual acuity tester body are formed in the inner bottoms of the annular air guide grooves. Through linkage adjustment of the horizontal driving assembly and the vertical driving assembly, the extrusion block is driven to compress air in the closed cavity, air flow is forced to enter the annular air guide groove through the air conveying channel, evenly-distributed isolation air curtains are formed along the outer edge of the lens, damp and hot air flow exhaled by a patient is guided to the two sides, and the mirror face is prevented from making contact with condensed water mist.

The invention provides an ophthalmic examination device, and belongs to the technical field of ophthalmic examination equipment, the ophthalmic examination device is suitable for electronic equipment, the electronic equipment comprises a light source, a camera and a display screen, and the ophthalmic examination device comprises a shell; the collimating lens is arranged on the shell; the light path adjusting assembly is arranged on the shell, and the light path adjusting assembly is opposite to the collimating lens; the Powell prism is arranged on the shell, and the incident end of the Powell prism is opposite to the light path adjusting assembly; wherein under the condition that the ophthalmic examination is carried out through the ophthalmic examination device and the electronic equipment, the collimating lens is opposite to a light source of the electronic equipment, and the display screen displays an eye picture shot by the camera.

The utility model discloses an adjustable eye speckle with a macular protection function and a macular protection film. The adjustable eye speculum comprises an eye speculum body and a macular protection film. Wherein the macular protection film comprises a shading sheet and a retractable movable frame, the retractable movable frame is a square or rhombic frame when being unfolded, and four edges of the retractable movable frame are movably connected; the two diagonal lines of the retractable movable frame are in a cross shape, and the upper vertex angle of the retractable movable frame is connected with the lower end of the anti-dazzling screen. The macular protection film is installed at the end, away from the eyelid supporting piece, of the adjusting part. When the macular part is not involved in ophthalmic examination, treatment and operation, the adjustable eye speckle provides protection for the macular part, and when the macular part is operated, a good visual field is provided in time, and operation and treatment are not affected; the macular protection film avoids the influence of light stimulation on eye stimulation of a patient, the application scene is wide, operation is convenient and fast, and good clinical application prospects are achieved.

The application provides a corneal effective defocus quantification method and system based on pupil dynamics coupling, and relates to the technical field of ophthalmic examination. The method comprises the following steps: acquiring corneal multi-modal image data of a target object; the corneal multi-modal image data comprises a tangential refractive power map and a corneal height map; constructing a radial distance field based on the corneal multi-modal image data, inputting the radial distance field and the tangential refractive power map into a pre-trained physical perception depth neural network model to obtain a full-defocus ring area mask; extracting a pupil area boundary based on the tangential refractive power map to obtain a pupil area mask; calculating the intersection of the full-defocus ring area mask and the pupil area mask to obtain an intra-pupil effective defocus area mask; mapping the intra-pupil effective defocus area mask to the corneal height map, and calculating the three-dimensional physical surface area and effective defocus dose of the intra-pupil effective defocus area based on a differential geometry curved surface integral algorithm. The method can quantize the effective defocus amount that truly enters the eye and plays a role in myopia control.

This invention belongs to the field of ophthalmic examination technology, specifically referring to an adaptive expansion device for ophthalmic examinations. It includes a support arm assembly, an angle adjustment assembly, a temporary locking assembly, a rotation adjustment assembly, and a limit adjustment assembly. The angle adjustment assembly is located on the support arm assembly, the temporary locking assembly is located within the angle adjustment assembly, and the rotation adjustment assembly is located on the angle adjustment assembly. This invention first unlocks the angle adjustment assembly using the temporary locking assembly, then rotates the unlocked angle adjustment assembly to adjust the angle between the main support arm and the auxiliary support arm. After releasing the rotation adjustment assembly, the temporary locking assembly automatically returns to its temporary locked state under its own elastic force. This achieves the technical objective of completing both unlocking and adjustment processes sequentially through a single-dimensional rotation.

1. The name of the design product: digital AI visual health screening instrument. 2. The use of the design product: for ophthalmic examination. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.