50 results about "Ophthalmologic examination" patented technology

The eye movement sensor comprises a helmet (1) adjustable to the head of a patient who is undergoing an ophthalmologic examination, in a unit with seat (10) and projection screen (11) of light spots in front, the same helmet (1) incorporating a front light projector (2) which emits a light spot towards the screen (11), as well as means of image recording of each one of the eyes, which records their movements captured from an angle which permits viewing the eye in all its positions. Said means of recording preferably consists of a video camera (6) disposed below the projector (2) of the helmet (1), focussing a pair of mirrors (7), incorporated on different sides of the lower part of the helmet (1) downward, under each eye respectively, to capture the specular reflection of its movements; or instead, two cameras (5) under each eye.

An ophthalmologic examination apparatus 1 projects a light onto a fundus oculi, detects the reflected light thereof, and forms a 3-dimensional image that represents the morphology of a retina based on the detected results. A stimulation-position specifying part 233 specifies, in the 3-dimensional image, a plurality of stimulation positions that correspond to a plurality of stimulation points Pi in a visual-field examination. A layer-thickness measuring part 235 analyzes the 3-dimensional image to find the layer thickness of the retina at each stimulation position. In addition, a displacement calculation part 234 specifies a related position of the stimulation position. A layer-thickness measuring part 235 finds the layer thickness of the retina at the related position.

The invention discloses a novel ophthalmologic examination head fixing device which structurally comprises a head fixing frame, a base and an examination apparatus. The examination apparatus is mounted on the base, the head fixing frame is arranged at the front of the examination apparatus, the bottom of the head fixing frame is connected to a side surface of the base, the head fixing frame comprises a support column, a fixing frame, a nut, a lifting rod, a chin fixing seat, left and right fixing frames, perforated holes, a forehead cushion and fixture blocks, a transverse rod of the L-shapedsupport column is arranged at the bottom of the support column, the support column is connected with a side surface of the base, an end of the vertical rod of the support column is connected with themiddle of the bottom of the fixing frame, and the end of the vertical rod and the middle of the bottom of the fixing frame are of integral structures. The novel ophthalmologic examination head fixingdevice has the advantages that each of the left and right fixing frames comprises a fixing sheet, a guy rope and an arc-shaped block, accordingly, the novel ophthalmologic examination head fixing device is simple in structure, convenient to manufacture and low in cost, can be replaced at any time and is easy to operate, and users can easily master the novel ophthalmologic examination head fixing device; the arc-shaped blocks in arc-shaped designs can cling to ear structures of human bodies, accordingly, good fixing effects can be realized, and patients can be prevented from swaying in the left-right directions.

The present invention relates to measuring arm of eye axamination apparatus using slip lamp inlegrated optical correlation cromatography, it includes slip lamp system, optical fiber collimator, scan mirror, two colour lens and reflector, the white light emitted from white light source passes through collector lens and lens and narrow seam, then form image on eye through objective and reflector, then make observation to eye through telescope. The measuring arm designed by present invention not only is simple in structure but also ensures the maximum scanning range under same resolution condition or possesses maximum resolution under same scanning range.

The eye movement sensor comprises a helmet (1) adjustable to the head of a patient who is undergoing an ophthalmologic examination, in a unit with seat (10) and projection screen (11) of light spots in front, the same helmet (1) incorporating a front light projector (2) which emits a light spot towards the screen (11), as well as means of image recording of each one of the eyes, which records their movements captured from an angle which permits viewing the eye in all its positions. Said means of recording preferably consists of a video camera (6) disposed below the projector (2) of the helmet (1), focussing a pair of mirrors (7), incorporated on different sides of the lower part of the helmet (1) downward, under each eye respectively, to capture the specular reflection of its movements; or instead, two cameras (5) under each eye.

The invention belongs to the technical field of ophthalmologic instruments, in particular to a novel head fixing device for ophthalmologic examination, and aims at solving the problem of uncomfortableuse when the ophthalmologic examination is performed on a patient by means of the head fixing device. A scheme is proposed, and the head fixing device includes a base, universal wheels with brakes are fixed to the four corners of the bottom outer wall of the base through screws, and an electrically controlled slide rail is fixed to the top outer wall of the base through screws; the top inner wall of the electrically controlled slide rail is slidably connected with a sliding block, and a hydraulic cylinder is fixed to the top outer wall of the sliding block through screws; a support plate isfixed to one end of a piston rod of the hydraulic cylinder through bolts, fixing plates are fixed to the outer walls at both sides of the support plate through screws, the fixing plates are of L-shaped structures, and servo motors are fixed to the outer walls at one sides of the two fixing plates through screws. The head fixing device can move freely, and the height of the head fixing device can be freely adjusted, so that psychology stress of the patient can be reduced when eyes are inspected, thereby avoiding the phenomenon that the scalp is bruised by overhardening strap snaps.

According to the present invention, there is provided an ophthalmologic apparatus in which identifying power for the index or an index indicating state is improved to eliminate the confusion of a person to be examined, so that an eye examination time period can be shortened and the reliability of an eye examination can be improved. The ophthalmologic apparatus includes an index plate that displays an index, an index projecting optical system that projects the index to an eye to be examined, a variable cross cylinder that produces a pair of index indicating states of the index used for a cross cylinder test, a lamp and a liquid crystal screen that generate identifiers serving as identification information, and a dichroic mirror that combines the identifiers with the pair of index indicating states to be indicated to the eye to be examined.

An ophthalmologic examination apparatus has a main unit housing an illuminating optical system that illuminates a fundus of a subject's eye to be examined and an imaging optical system that images the illuminated eye fundus. First and second attachment units are removably and exchangeably mounted to the main unit for providing different ophthalmologic functions. The first attachment unit houses an imaging device that captures an image of the eye fundus via the imaging optical system housed in the main unit. The second attachment unit houses a light source that emits stimulating light for an electroretinogram and which is projected onto the eye fundus via the imaging optical system housed in the main unit.

The invention relates to the technical field of ophthalmology detection equipment, in particular to an easily adjustable examination table for the ophthalmology department, which comprises a base, a U-shaped seat and a visual function tester body, a mounting seat is fixedly mounted on the right side of the upper surface of the base, a patient seat is fixedly mounted at the end part of the mounting seat, a sliding groove is formed in the upper surface of the base and located on the left side of the mounting seat, and a sliding column is slidably mounted in the sliding groove in a limited mode. According to the invention, the U-shaped seat is pushed by holding the handle, stable translation of the visual function tester body can be achieved under the cooperation effect of the buffer assembly and the sliding column, meanwhile, stable lifting of the visual function tester body can be achieved through a lifting assembly, and then eye examination of patients of different body types is met; a traditional examination table which can only adjust a patient seat is replaced, the visual function tester body is directly adjusted by a doctor, unnecessary troubles are reduced for patients suffering from eye diseases, and ophthalmic examination of the patients is greatly facilitated.

The invention relates to the technical field of medical instruments, in particular to an observation device for an ophthalmic examination. The observation device comprises a base plate, wherein a group of stand columns are welded to two sides of the back end of the top of the base plate, the tops and upper ends of the stand columns are jointly connected with a group of lapping rods in a sleeving manner, a vertical rod is arranged in the middle of the upper surface of the base plate and located on the front side of one group of stand columns, a connecting box is arranged at the top of the vertical rod, an observation mirror body is connected to the front end of the connecting box, a group of eyepieces are arranged at the top of the observation mirror body, and the back end of the connectingbox is connected with a butt-joint frame. The observation device mainly solves the problems that when an existing device is used to examine eyes, patients are required to open eyes to cooperate withmedical staffs for examination, but some younger patients cannot open eyes for a long time due to incomplete facial muscle development or incoordination, so that the device is provided with two opening pieces, silica gel is attached to the surface to prevent scratch, and the opening pieces are driven by screws to move up and down so as to drive eyelids to turn when making contact with the eyelids.

The invention discloses a system and device for sending an ophthalmic examination image to a remote expert. The system and the device comprise a fixed seat, the interior of the fixed seat is provided with a storage mechanism, the interior of the fixed seat located below the storage mechanism is provided with a driving mechanism, and a lifting mechanism is arranged between the driving mechanism and the storage mechanism jointly. The system and the device for sending the ophthalmic examination image to the remote expert provided by the invention have the beneficial effects that when the system and the device are used, a driving rod can be driven to rotate through a double-head driving motor, the driving rod drives two rotating rods to rotate through meshing of a first bevel gear and a second bevel gear, and the rotating rods can drive a lifting rod to ascend through cooperation of a threaded cavity and a threaded block, so that a camera can be ascended to the outside of the fixed seat through the lifting rod and a protective shell, and the ophthalmic examination image is shot through the camera and is remotely sent to the expert, so as to facilitate the expert's judgment.

The invention relates to a bed for limiting activities of all parts of the body of a child in an ophthalmic examination. The bed comprises a bed body and is characterized in that symmetric transverse square grooves are formed in the upper surface of the bed body according to the head, shoulders, buttocks and shanks of the child; vertical baffles capable of moving left and right are arranged in the transverse square grooves; square protrusions are arranged at the bottoms of the vertical baffles and inserted in the transverse square grooves; the width of each square protrusion is consistent with the width of the cross section of each transverse square groove, and the height of each square protrusion is 1-3 millimeters smaller than that of the cross section of each transverse square groove; a line of wedge-shaped protrusions arranged at intervals in the length direction of each transverse square groove are arranged at the bottom of each transverse square groove; the end, close to the center line of the bed body, of each wedge-shaped protrusion is 3-5 millimeters higher than the bottom of the corresponding groove, and the intervals between the wedge-shaped protrusions are as thick as the square protrusions at the bottoms of the vertical baffles.

Provided is an ophthalmologic examination method including a first control step of driving a focus unit based on an index image acquired by projecting an index to an eye to be inspected in a state of setting light intensity for illuminating the eye to be inspected to a first light intensity, a second control step of driving the focus unit based on the index image acquired in a state of setting the light intensity to a second light intensity higher than the first light intensity, and a memory step of storing specific information on the eye to be inspected during the first control step and the second control step. The second control step is executed after driving the focus unit to a position stored in the memory step in the case of storing again the specific information after storing the specific information.

The invention discloses a fixing device of a multifunctional ophthalmologic examination apparatus. The fixing device comprises a base plate, wherein a first electric telescopic rod is arranged on the surface of the base plate; a mounting plate is arranged at the top end of the first electric telescopic rod; a lower connecting plate is connected to the top end of the mounting plate by virtue of a second electric telescopic rod; an upper connecting plate is connected to the lower connecting plate by virtue of a third electric telescopic rod; a lower retaining ring is arranged on the surface of the lower connecting plate; in correspondence to the lower retaining ring, an upper retaining ring is arranged at the bottom end of the upper connecting plate; a first storage box is arranged on the surface of the base plate at one side of the mounting plate; and a second storage box is arranged on the surface of the base plate at the other side of the mounting plate. According to the fixing device of the multifunctional ophthalmologic examination apparatus, the head of an examined object can be firmly fixed by virtue of the upper retaining ring and the lower retaining ring; ad by adjusting telescopic amounts of the various electric telescopic rods, the examination equipment can be kept at a height which is relatively suitable for measurement of the examined object, so that a user is facilitated in using.

An opthalmological measuring instrument, e.g. for determining the corneal curvature, anterior chamber depth, axial length, or the like, including measuring systems for determining measurement of the mentioned physical parameters. The measuring systems are connected to an evaluation unit which verifies whether quality parameters regarding the measurements are satisfied and generates a corresponding signal that indicates to the medical professional user that a proper measurement can be taken.

The invention discloses an ophthalmic examination device, and belongs to the technical field of medical auxiliary articles. The ophthalmic examination device comprises an examination pen container and an imaging element arranged in the examination pen container; the examination pen container comprises an examination end and a handheld end; the examination end is provided with an illuminating lamp and a camera in communication connection with the imaging element; a display screen is arranged on the outer side of the examination pen container; the display screen comprises a first screen and a second screen which is located below the first screen and coincides with the first screen; a comparison diagram is displayed in the first screen; the second screen is in communication connection with the imaging element; and the handheld end is provided with a first switch in communication connection with the illuminating lamp and a second switch in communication connection with the camera, the imaging element and the second screen. The examination end of the ophthalmic examination device is provided with the illuminating lamp and the camera to examine the pupil of a patient, the actual size of the pupil is displayed with the cooperation of the imaging element and the display screen, and a pupil image is compared with the comparison diagram, thereby solving the problem that an existing ophthalmic examination device is single in function.

An ophthalmic examination method using VR according to an embodiment of the present disclosure includes: providing an ophthalmic examination setting interface inputting a user setting for the ophthalmic examination; selecting and progressing a first ophthalmic examination in accordance with the ophthalmic examination setting interface; controlling a head mounted display to output a VR image for the first ophthalmic examination; acquiring examination data according to the VR image from the head mounted display; and outputting an ophthalmic examination progress image for an examiner for the first ophthalmic examination.As described above, since a head mounted display device for an eye examination of the present disclosure can perform various ophthalmic examinations digitally, there is an effect that it is possible to accurately and quickly determine ophthalmic examinations.

The invention relates to an ophthalmic examination device which comprises a device shell, a driving wheel and a reversing wheel are rotationally assembled in the device shell, the driving wheel is driven by a motor, a circulating belt is wound around the driving wheel and the reversing wheel, a testing visual chart and a demonstration visual chart are sequentially arranged on the circulating belt, the orientation of each letter on the demonstration visual chart is the same as or opposite to the orientation of the corresponding letter on the testing visual chart, the device shell is provided with a doctor observation port corresponding to the row of letters on the demonstration visual chart, the device shell is further internally provided with a test port corresponding to the row of letters on the testing visual chart, a row of letters, opposite to the test port, of the testing visual chart correspond to a row of letters, opposite to the doctor observation port, of the demonstration visual chart, a patient observation port is further formed in the device shell, a test channel with an optical structure is arranged between the patient observation port and the test port, and a light supplementing lamp is arranged in the test channel. The invention provides an ophthalmologic examination device capable of reducing the external environment for vision detection.

The invention discloses a novel ophthalmologic examination tool combined device, which comprises a shell, wherein a fixed tray is welded on the inner side face of the middle of a shell by virtue of fixed pillars; at the upper side of the fixed tray, a retaining ring is fixed to the inner side face of the middle of the shell; fixing sleeves are uniformly distributed on the retaining ring, and the fixing sleeves are rotatably connected to the retaining ring; fixing rods are fixedly arranged on the lower side faces of the fixing sleeves; and color filters are arranged at the lower ends of the fixing rods. According to the novel ophthalmologic examination tool combined device, the various red and green color filters are simultaneously combined for selection, and the color filters, when used, can pop up and can be folded when not used, so that abrasion of the red and green color filters due to messy placement is prevented, and the color filters can be prevented from getting lost easily; meanwhile, a space is saved; the color filters can sequentially pop up from a strip-shaped through hole one by one when the fixing rods swing upwards as a rotating ring is pressed downwards; therefore, the color filters are simple to control; the color filters, which can be contracted in a rotating mode, are convenient to use; therefore, expanding and folding of each color filter are implemented; and subsequently, examination efficiency is improved.

The invention discloses a novel ophthalmologic examination head fixing device which structurally comprises a head fixing frame, a base and an examination apparatus. The examination apparatus is mounted on the base, the head fixing frame is arranged at the front of the examination apparatus, the bottom of the head fixing frame is connected to a side surface of the base, the head fixing frame comprises a support column, a fixing frame, a nut, a lifting rod, a chin fixing seat, left and right fixing frames, perforated holes, a forehead cushion and fixture blocks, a transverse rod of the L-shapedsupport column is arranged at the bottom of the support column, the support column is connected with a side surface of the base, an end of the vertical rod of the support column is connected with themiddle of the bottom of the fixing frame, and the end of the vertical rod and the middle of the bottom of the fixing frame are of integral structures. The novel ophthalmologic examination head fixingdevice has the advantages that each of the left and right fixing frames comprises a fixing sheet, a guy rope and an arc-shaped block, accordingly, the novel ophthalmologic examination head fixing device is simple in structure, convenient to manufacture and low in cost, can be replaced at any time and is easy to operate, and users can easily master the novel ophthalmologic examination head fixing device; the arc-shaped blocks in arc-shaped designs can cling to ear structures of human bodies, accordingly, good fixing effects can be realized, and patients can be prevented from swaying in the left-right directions.

The invention discloses an automatic ophthalmic examination robot, and relates to the field of ophthalmic examination robots. The automatic ophthalmic examination robot comprises a machine body; a sliding groove is formed in the side wall of the machine body; two sliding rods are slidably mounted in the sliding groove; connecting plates are rotatably mounted at one ends of the two sliding rods; a supporting plate is rotatably mounted between the two connecting plates; a groove is formed in the side wall of the supporting plate; two sliding plates are slidably mounted in the groove; a mounting box is fixedly mounted on one side of each sliding plate; an annular opening is formed in one side of each mounting box; a connecting rod is slidably inserted in each annular opening; one end of each connecting rod penetrates through the corresponding annular opening and is fixedly provided with a massage plate; and one side of each connecting rod is provided with a power mechanism used for driving the corresponding massage plate to move. A patient can be relaxed before the eyes are examined, so that the accuracy of examination data is improved.

The invention relates to a lighting device, in particular to a lighting device for ophthalmic examination. The technical problem of the present invention is to provide a lighting device for ophthalmic examination that is easy to move and easy to operate. The technical embodiment of the present invention is a lighting device for ophthalmic examination, which includes: moving wheels, there are three moving wheels; an adjusting mechanism, an adjusting mechanism is installed on the top of the moving wheel; lighting mechanism. The beneficial effects of the present invention are: under the action of the lighting mechanism, people can move the first slide bar left and right, and the first slide bar will drive the second block and the lighting lamp to move left and right. Move the pull rod, and the pull rod will drive the card slot to move to the rear side. When the card slot contacts and cooperates with the second block, the first slide bar and the light will be fixed, so that the light is more stable when people perform ophthalmic examinations .

The invention discloses ophthalmic examination macyscope capable of preventing side lens peeping. The macyscope includes a frame, a red lens, a green lens, temples, blocking pieces and soft silicone layers; the green lens is arranged on the left side of the frame, and the red lens is arranged on the right side of the frame; the inner side of the frame is provided with the blocking pieces; a raised bump is arranged at the upper part in the middle of the blocking pieces; and the soft silicone layers are arranged on the inner sides of the blocking pieces. Through the arrangement of the soft silicone, the blocking pieces and the bump, the inner circumferences of the soft silicone fit with the surrounding of the eyes of a person; and as the bump is arranged at the upper parts of the blocking pieces inside the red and green lenses, when the macyscope is in use, the surrounding of the eyes of the patient can be blocked and can only see the front lenses, thereby blocking the light that the patient obliquely observes from above, and the accuracy of observation and examination can be enhanced.

The invention belongs to the technical field, and particularly relates to a bearing device for ophthalmic examination. Through the arrangement of a head bearing mechanism and an instrument bearing mechanism, when a patient receives strabismus examination of the eyes, bearing of the patient and an examination instrument is facilitated, the fatigue feeling of the patient and inconvenience in instrument holding are reduced, and examination convenience is improved; through cooperation of a driving assembly, a rack and multiple detection prism groups, the orientation of the prisms can be changed only by pushing or withdrawing the rack according to detection requirements in a detection process, adjustment and disassembly of too many parts are not needed, more convenience and rapidness are achieved, the number of the detection parts of the whole device is reduced, operation convenience is improved, and an integration degree is high; and by arranging a transverse adjuster and a lifter, the driving assembly can be rapidly adjusted, the eye examination requirements of different patients are met, and adjustment is convenient and rapid.

The invention relates to lighting equipment, in particular to lighting equipment for ophthalmic examination. The technical problem to be solved by the invention is to provide the lighting equipment for ophthalmologic examination, which is convenient to move and operate. According to the technical scheme, the lighting equipment for ophthalmologic examination comprises three moving wheels, an adjusting mechanism and a lighting mechanism, wherein the adjusting mechanism is rotationally arranged between the tops of the moving wheels; and the lighting mechanism is arranged on the upper side of the adjusting mechanism. The lighting equipment has the beneficial effects that under the action of the lighting mechanism, people can move a first sliding rod left and right, the first sliding rod can drive a second clamping block and a lighting lamp to move left and right, when people adjust the device to a proper position, a pull rod is moved backwards, the pull rod can drive a clamping groove to move backwards, and when the clamping groove is in contact fit with the second clamping block, the first sliding rod and the lighting lamp are fixed, so that the lighting lamp is more stable when people carry out ophthalmic examination.

The invention belongs to the technical field of ophthalmology examination, and particularly relates to an eye observation lamp for the ophthalmology department. The eye observation lamp comprises a base, a fixed supporting column is arranged at the top end of the base, through holes are formed in the front end and the rear end of the fixed supporting column, a penetrating rod is arranged in the through holes, a rotating supporting part is arranged on the outer side of the penetrating rod, angle fixing parts are arranged at the front end and the rear end of the fixed supporting column, an observation lamp is connected to the top end of the right side of the rotating supporting part, and a cleaning part is arranged at the top end of the observation lamp. The observation lamp is simple in structure and can be conveniently adjusted according to the conditions of a patient. A telescopic movable plate is adopted, a rotating plate is shifted to rotate, the angle of the observation lamp is adjusted, after angle adjustment is completed, the telescopic movable plate is controlled to move towards the right side, a pressing suction cup is pressed and adsorbed to the top end of the rotating plate, the position of the telescopic movable plate can be fixed, the position of the observation lamp can be adjusted conveniently, and the situation that an observation lamp needs to be held by hand for inspection in the inspection process is avoided.