Mobile phone lens for ophthalmology department
By designing an ophthalmic mobile phone lens, combined with a light source component and indicator panel, the problem of poor smartphone imaging quality during field visits has been solved, improving examination efficiency and image quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-04-07
AI Technical Summary
When ophthalmologists conduct mobile clinics and free medical consultations, the use of smartphone cameras to examine the anterior segment of patients and acquire images is insufficient to meet the examination requirements, resulting in poor imaging quality.
An ophthalmic mobile phone lens has been designed, including a first eye cover and a second eye cover. The first eye cover has a light source component and a magnetic structure, and the second eye cover has an indicator light disk. They are detachably connected by a magnetic connector and are used to cooperate with the mobile phone lens to provide illumination and indicator light guidance, thereby improving the imaging effect.
It improves examination efficiency, reduces the impact of the unexamined eye on the gaze direction of the eye to be examined, and enhances portability and imaging quality.
Smart Images

Figure CN224085309U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment technical field, concretely relates to a hand -held camera lens for ophthalmology. BACKGROUND
[0002] The slit lamp device is an important device in ophthalmic examination, and is widely used for the examination of the anterior segment of the eye, such as the examination of the cornea, iris, lens and the like. The slit lamp projects a narrow slit light at different angles and widths to the ocular surface, so that the ophthalmologist can clearly observe the fine structure of the anterior segment of the eye through the high-power magnifying lens. This optical device can detect corneal damage, anterior chamber abnormalities, lens opacity and other problems, and is a core tool in ophthalmic clinical diagnosis.
[0003] With the development and popularization of ophthalmic diagnosis, in addition to the in-hospital consultation of ophthalmologists, there are also work contents of going out for medical tour and free clinic. Since the slit lamp device is relatively large in size, the ophthalmologist cannot carry the slit lamp device out, so only the portable mobile device can be used to examine and image collect the anterior segment of the patient, such as observing and photographing the eyeball of the user through the camera of the smart phone. However, since the smart phone lacks the same environmental conditions and lighting conditions as the slit lamp device, the imaging effect is poor during observation and collection, and the examination requirements cannot be met. SUMMARY
[0004] Therefore, the utility model provides a hand -held camera lens for ophthalmology to solve the problem that the ophthalmologist cannot meet the examination requirements when examining and image collecting the anterior segment of the patient through the camera of the mobile phone during going out for medical tour and free clinic.
[0005] The utility model provides a hand -held camera lens for ophthalmology, which comprises:
[0006] The first eye cover comprises a first cover body, a light source assembly and a magnetic attraction structure. The first cover body comprises a first opening and a light transmission hole arranged oppositely. The first opening is used for being attached to the skin of the outer contour of the eye. A guide groove is arranged on the first cover body and extends along the circumferential direction of the first cover body. The light source assembly is located inside the first cover body and is movably arranged on the guide groove through a sliding seat. The magnetic attraction structure is used for being attached to the shell of the mobile phone. The light transmission hole is aligned with the hand -held camera lens.
[0007] The second eye cover comprises a second cover body and an indicator light panel. The second cover body comprises a second opening. The indicator light panel is arranged in the second cover body and the surface thereof is opposite to the second opening.
[0008] The magnetic attraction connecting piece is detachably connected between the first cover body and the second cover body.
[0009] Optionally, the guide groove extends from a first end point of the outer surface of the first cover to a second end point of the bottom surface, and a line connecting the first end point and the second end point intersects the center line of the first cover.
[0010] Optionally, the sliding base comprises a sliding block, a sliding rod and a limiting ring, the sliding block is connected to one end of the sliding rod, the light source assembly is installed on the other end of the sliding rod, the sliding rod is slidingly arranged in the guide groove, the sliding block is slidingly matched with the outer wall of the first cover, and the limiting ring is sleeved on the sliding rod and slidingly matched with the inner wall of the first cover.
[0011] Optionally, the light source assembly comprises a lamp rod and a lamp head located at the end of the lamp rod, the other end of the sliding rod is provided with a lamp holder having a hollow cavity extending towards the first opening, and the lamp rod is movably arranged in the hollow cavity through an adjusting structure.
[0012] Optionally, a matching groove parallel to and same in size as the guide groove is formed on the first cover, the light source assembly comprises a mounting seat arranged on the lamp holder and a rotating shaft penetrating and rotatingly arranged on the lamp holder and the mounting seat, a second adjusting rod is rotatingly arranged in the mounting seat, the second adjusting rod is drivingly matched with the rotating shaft through a worm and gear structure, one end of the rotating shaft extending out of the mounting seat is fixedly connected with a filter disc, the filter disc is provided with at least four filter plates of different colors, and the rotating shaft is adapted to drive the filter disc to rotate to one of the filter plates located on the light path of the light source assembly.
[0013] Optionally, the adjusting structure comprises a through hole penetrating the sliding block, the sliding rod and the sidewall of the lamp holder, and a first adjusting rod rotatingly arranged in the through hole, one end of the first adjusting rod extending out of the outer wall of the sliding block, the other end of the first adjusting rod extending into the hollow cavity and being provided with a gear tooth, the outer wall of the lamp rod is provided with a rack matched with the gear tooth and extending along the hollow cavity, and one end of the first adjusting rod extending out of the sliding block is provided with a knob.
[0014] Optionally, a wire channel is arranged on the sliding base, and the wire channel penetrates the sliding block and the sliding rod in sequence and extends to the inside of the first cover.
[0015] Optionally, the first cover is sequentially provided with a first lens mounting groove, a second lens mounting groove and a third lens mounting groove, the first lens mounting groove is close to the light transmission hole and is used for mounting an ocular lens, the ocular lens is a magnifying lens, the second lens mounting groove is used for mounting a filter plate, and the third lens mounting groove is used for mounting an objective lens, and the first lens mounting groove, the second lens mounting groove and the third lens mounting groove are respectively sealed by a blocking strip which is detachably arranged on the first cover.
[0016] Optionally, the magnetic attraction connecting piece comprises a first magnetic attraction block and a second magnetic attraction block, and a scissors structure is arranged between the first magnetic attraction block and the second magnetic attraction block; opposite surfaces of the first cover body and the second cover body are provided with a first clamping position and a second clamping position, one of the first magnetic attraction block and the second magnetic attraction block is adsorbed to the first clamping position, and the other is adsorbed to the second clamping position.
[0017] Optionally, nine indicator lamps are arranged on the indicator lamp disc, one of the nine indicator lamps is located at the center of the indicator lamp disc, and the remaining indicator lamps are uniformly arranged around the center of the indicator lamp disc.
[0018] Beneficial effects:
[0019] The ophthalmic handheld lens provided by the utility model relates to an ophthalmic handheld lens, which comprises a first eye cover, a second eye cover and a magnetic attraction connecting piece. The first eye cover comprises a first cover body, a light source assembly and a magnetic attraction structure, the first cover body comprises a first opening and a light transmission hole arranged oppositely, the first opening is used for being combined with the skin around the eye to be examined, a guide groove is arranged on the first cover body and extends along the circumferential direction of the first cover body, the light source assembly is arranged inside the first cover body and is movably arranged on the guide groove through a sliding seat, the magnetic attraction structure is used for being adsorbed on the shell of a mobile phone, and the light transmission hole is aligned with the handheld lens. The second eye cover comprises a second cover body and an indicator lamp disc, the second cover body comprises a second opening, the indicator lamp disc is arranged in the second cover body and the surface thereof is opposite to the second opening. The magnetic attraction connecting piece is detachably connected between the first cover body and the second cover body.
[0020] In use, the first cover body can be mounted at the handheld lens through the magnetic attraction structure, the handheld lens is aligned with the light transmission hole, then the first opening of the first cover body is combined with the skin around the eye to be examined, after it is determined that the camera software of the mobile phone can collect the image of the eye, the light source assembly can be turned on, the sliding seat is adjusted to move along the guide groove according to the imaging effect, the illumination effect of the light source assembly on the eye is adjusted, when the illumination condition meets the preset requirement, the second cover body can be connected to the first cover body through the magnetic attraction connecting piece, the second opening of the second cover body is aligned with the eye not to be examined, the indicator lamp disc is turned on, and the indicator lamp disc can guide the gazing direction of the eye not to be examined. Since the two eyes can move cooperatively, when the eye not to be examined gazes at the direction guided by the indicator lamp disc, the eye to be examined also gazes at the same direction synchronously, so that the doctor can guide the patient to quickly adjust the angle of the eye to be examined, the examination efficiency is improved, and the influence of the eye not to be examined on the gazing direction of the eye to be examined is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0022] Figure 1 A structure schematic diagram of an ophthalmic mobile phone lens according to an embodiment of the present application;
[0023] Figure 2 A cross-sectional structure schematic diagram of an ophthalmic mobile phone lens according to an embodiment of the present application;
[0024] Figure 3 A structure schematic diagram of an ophthalmic mobile phone lens according to an embodiment of the present application; Figure 1
[0025] A structure schematic diagram of an ophthalmic mobile phone lens according to an embodiment of the present application; Figure 4 Figure 3 A structure schematic diagram of an ophthalmic mobile phone lens according to an embodiment of the present application;
[0026] Figure 5 A cross-sectional structure schematic diagram of a first cover according to an embodiment of the present application;
[0027] Figure 6 Figure 5 A structure schematic diagram of an ophthalmic mobile phone lens according to an embodiment of the present application;
[0028] Figure 7 A structure schematic diagram of a light source assembly according to an embodiment of the present application;
[0029] Figure 8 A structure schematic diagram of a filter disc according to an embodiment of the present application.
[0030] Marked with a figure:
[0031] 11, first cover body; 111, first opening; 112, light transmission hole; 113, guide groove; 114, first silica gel pad; 115, matching groove; 15, first limiting protrusion; 12, light source assembly; 121, sliding block; 122, sliding rod; 123, limiting ring; 124, lamp holder; 1241, fissure hole; 1251, lamp holder; 1252, lamp rod; 1253, condenser; 1254, limiting block; 1255, mounting seat; 1256, rotating shaft; 1257, worm gear; 1258, second adjusting rod; 1259, filter disc; 126, first adjusting rod; 127, gear tooth; 128, knob; 129, wire channel; 13, magnetic attraction structure; 141, first lens mounting groove; 142, second lens mounting groove; 143, first blocking strip; 144, second blocking strip; 21, second cover body; 211, second opening; 212, second silica gel pad; 22, indicator light disc; 221, indicator light; 23, second limiting protrusion; 3, magnetic attraction connecting piece; 31, first magnetic attraction block; 311, first sliding groove; 32, second magnetic attraction block; 321, second sliding groove; 331, first scissor arm; 332, second scissor arm; 333, pin shaft. DETAILED DESCRIPTION
[0032] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0033] As shown in Figure 1 , Figure 2 and Figure 3 , the present embodiment provides an ophthalmic mobile phone lens, comprising: a first eye cover, a second eye cover, and a magnetic attraction connecting piece 3.
[0034] The first eye cover comprises a first cover body 11, a light source assembly 12, and a magnetic attraction structure 13. The first cover body 11 comprises a first opening 111 and a light transmission hole 112 arranged oppositely. The first opening 111 is used to be combined with the skin of the outer contour of the human eye. The cross-sectional shape of the first cover body 11 is an ellipse, and the shape of the first opening 111 is an ellipse, which is convenient for being combined with the contour of the human eye. The first cover body 11 is provided with a guide groove 113 extending along the circumferential direction of the first cover body 11, for example Figure 1As shown, the guide groove 113 extends along the circumference of the outer wall of the first cover body 11 and penetrates the outer wall of the first cover body 11, the light source assembly 12 is located inside the first cover body 11 and is movably arranged on the guide groove 113 through the sliding seat, and the light source assembly 12 is used to provide light to the human eye. The magnetic attraction structure 13 is used to be adsorbed on the mobile phone shell, the light transmission hole 112 is aligned with the mobile phone lens, the magnetic attraction structure 13 can be made of natural or artificial permanent magnet, and can be adsorbed on the mobile phone metal shell. Of course, a mobile phone shell matched with the magnetic attraction structure 13 can also be manufactured, which can ensure that the magnetic attraction structure 13 is stably connected with the mobile phone, and the light transmission hole 112 is aligned with the mobile phone lens.
[0035] The second eye cover includes a second cover body 21 and an indicator lamp plate 22, the second cover body 21 includes a second opening 211, the indicator lamp plate 22 is arranged in the second cover body 21 and the surface thereof is opposite to the second opening 211, the shape of the second cover body 21 is the same as that of the first cover body 11, and the indicator lamp plate 22 is an oval lamp plate embedded on the inner wall of the second cover body 21.
[0036] The magnetic attraction connecting piece 3 is detachably connected between the first cover body 11 and the second cover body 21, for example, under the connection of the magnetic attraction connecting piece 3, the first opening 111 and the second opening 211 of the first cover body 11 and the second cover body 21 are located in the same plane, the long axis lines of the arbitrary cross-sectional shapes of the first cover body 11 and the second cover body 21 coincide, and the positions of the first cover body 11 and the second cover body 21 are symmetrically arranged with the center line of the magnetic attraction connecting piece 3 as the symmetric center.
[0037] In use, the first cover body 11 can be installed at the mobile phone lens through the magnetic attraction structure 13, and the mobile phone lens is aligned with the light transmission hole 112, then the first opening 111 of the first cover body 11 can be attached to the skin of the outer contour of the eye to be examined, after it is determined that the camera software of the mobile phone can collect the image of the human eye, the light source assembly 12 can be turned on, and according to the imaging effect, the sliding seat is adjusted to move along the guide groove 113, the illumination effect of the light source assembly 12 on the human eye is adjusted, when the illumination condition meets the preset requirement, the second cover body 21 can be connected to the first cover body 11 through the magnetic attraction connecting piece 3, and the second opening 211 of the second cover body 21 is aligned with the unexamined eye, the indicator lamp plate 22 is turned on, and the indicator lamp plate 22 can guide the gaze direction of the unexamined eye. Since the two eyes can move cooperatively, when the unexamined eye gazes at the direction guided by the indicator lamp plate 22, the examined eye will also gaze at the same direction synchronously, so that the doctor can guide the patient to quickly adjust the angle of the examined eye, improve the examination efficiency, and reduce the influence of the unexamined eye on the gaze direction of the examined eye. In addition, the portability is also improved.
[0038] As shown in FIG. 1, the first cover body 11 is connected to the second cover body 21 through the magnetic attraction connecting piece 3, and the first opening 111 of the first cover body 11 and the second opening 211 of the second cover body 21 are located in the same plane. Figure 1 , Figure 2 and Figure 3As shown, the outer edge of the first opening 111 is provided with a first silica gel pad 114, and the outer edge of the second opening 211 is provided with a second silica gel pad 212, so as to improve comfort.
[0039] As shown in the drawings, Figure 1 The guide groove 113 extends from a first end point of the outer surface of the first cover body 11 to a second end point of the bottom surface, and the line connecting the first end point and the second end point intersects the center line of the first cover body 11, so that the sliding block can drive the light source assembly to slide along the guide groove 113 by 180 degrees, so that the light source assembly has a 180-degree light angle adjustment range with the human eye, thereby improving the accuracy of eye examination.
[0040] The first cover body 11 of the embodiment is elliptical, and the first end point and the second end point are respectively located at the two ends of the major axis of the first cover body 11. In specific use, the light emitted by the light source assembly can gradually scan from the cheek side to the alar side, thereby fully illuminating the eye. The guide groove 113 can be located on the bottom surface of the first cover body 11, so that the medical staff can adjust the position of the sliding block by the index finger when holding the phone with the hand. Of course, the guide groove 113 can also be arranged on the top surface of the first cover body 11, so that the medical staff can hold the phone with one hand and adjust the position of the sliding block with the other hand.
[0041] As shown in the drawings, Figure 3 , Figure 4 and Figure 6 In the embodiment, the sliding block includes a sliding block 121, a sliding rod 122, and a limiting ring 123. The sliding block 121 is connected to one end of the sliding rod 122, the light source assembly 12 is installed at the other end of the sliding rod 122, the sliding rod 122 is slidingly arranged in the guide groove 113, the sliding block 121 is in sliding cooperation with the outer wall of the first cover body 11, and the limiting ring 123 is sleeved on the sliding rod 122 and in sliding cooperation with the inner wall of the first cover body 11. The user can move the sliding rod 122 by the sliding block 121, and then adjust the angle of the light source assembly 12. The sliding block 121 is in close contact with the outer wall of the first cover body 11, and the limiting ring 123 is in sliding cooperation with the inner wall of the first cover body 11, so as to avoid displacement of the sliding rod 122 along the radial direction of the first cover body 11, thereby avoiding shaking of the light source assembly 12. The surface of the sliding block 121 in close contact with the outer wall of the first cover body 11 can be an arc surface, so as to adapt to the shape of the outer wall of the first cover body 11.
[0042] As shown in the drawings, Figure 6 and Figure 7As shown in the figure, in the embodiment, the light source assembly 12 comprises a lamp rod 1252 and a lamp holder 1251 located at the end of the lamp rod 1252, and the other end of the sliding rod 122 is provided with a lamp holder 124 having a hollow cavity extending towards the first opening 111, and the lamp rod 1252 is movably arranged in the hollow cavity through an adjusting structure. The lamp rod 1252 moves in the hollow cavity, thereby adjusting the distance between the lamp holder 1251 and the first opening 111, and adjusting the illumination range of the lamp holder 1251, so as to accurately provide light to the corresponding position of the human eye.
[0043] As shown in the figure, Figure 6 and Figure 7 As shown in the figure, in the embodiment, one end of the lamp holder 124 is a blocking wall facing the hollow cavity, and a fissure hole 1241 is formed in the blocking wall. During the movement of the lamp holder 1251 towards the fissure hole 1241, the illumination area on the human eye will increase, and during the movement of the lamp holder 1251 away from the fissure hole 1241, the illumination area on the human eye will decrease, thereby facilitating the adjustment of the illumination range, and the beam width range can be 0.2-10 mm.
[0044] As shown in the figure, Figure 6 and Figure 7 As shown in the figure, in the embodiment, the end of the lamp rod 1252 is provided with a condenser 1253, and the condenser 1253 is located between the lamp holder 1251 and the fissure hole 1241. The condenser 1253 is used to refract the scattered light emitted by the lamp holder 1251 into parallel light and irradiate on the fissure hole 1241, thereby improving the illumination effect on the human eye.
[0045] As shown in the figure, Figure 6 and Figure 7As shown, in the embodiment, the adjusting structure comprises a through hole penetrating the sliding block 121, the sliding rod 122 and the sidewall of the lamp holder 124, and a first adjusting rod 126 rotatably arranged in the through hole, one end of the first adjusting rod 126 extends out of the outer wall of the sliding block 121, and the other end extends into the hollow cavity and is provided with a gear 127, the outer wall of the lamp rod 1252 is provided with a rack matched with the gear 127 and extending along the hollow cavity, and rotating the first adjusting rod 126 can drive the lamp rod 1252 to move through the cooperation of the gear 127 and the rack, for example, rotating the first adjusting rod 126 clockwise, or rotating the first adjusting rod 126 counterclockwise, such an arrangement can facilitate operation. The end of the first adjusting rod 126 extending out of the sliding block 121 is provided with a knob 128, and the user can operate the first adjusting rod 126 to rotate by rotating the knob 128. Limiting blocks 1254 are arranged at opposite ends of the rack, and the lamp holder 124 is provided with an enclosing baffle on the movement path of the two limiting blocks 1254, and the gear is located in the enclosing baffle, when the lamp rod 1252 moves to any one of the limiting blocks 1254 and contacts with the enclosing baffle, it indicates that the lamp rod has moved to the limit position in one direction, thereby limiting the limit movement distance of the lamp rod 1252, when the lamp rod 1252 moves between the two limit distances, the light beam width range changes between 0.2mm and 10mm.
[0046] As shown in Figure 5 , Figure 6 and Figure 7 , in the embodiment, the sliding seat is provided with a wire channel 129, the wire channel 129 penetrates the sliding block 121 and the sliding rod 122 in sequence and extends to the inside of the first cover body 11, the wire can be inserted through the wire channel 129 and electrically connected with the lamp cap 1251, of course, the wire can also be arranged outside. The other end of the wire can be connected with the charging interface of the mobile phone, thereby providing electric energy for the lamp cap 1251, of course, it can also be connected with an external power supply device, or a power supply structure such as a battery is arranged.
[0047] As shown in Figure 5 , Figure 6 and Figure 7As shown in the embodiment, the first cover body 11 is provided with a matching groove 115 parallel to the guide groove 113 and of the same size. The light source assembly includes a mounting seat 1255 arranged on a lamp holder 124, a rotating shaft 1256 penetrating and rotatably arranged on the lamp holder 124 and the mounting seat 1255, a second adjusting rod 1258 rotatably arranged in the mounting seat 1255, one end of the second adjusting rod 1258 being in transmission cooperation with the rotating shaft 1256 through a worm and gear structure, and the other end extending out of the matching groove 115. A sliding seat can be arranged on the matching groove 115. The second adjusting rod 1258 penetrates the sliding seat and is rotatably matched together. One end of the rotating shaft 1256 extending out of the mounting seat 1255 is fixedly connected with a filter disc 1259. The filter disc 1259 is provided with at least four filters of different colors. The rotating shaft 1256 is adapted to drive the filter disc 1259 to rotate to one of the filters being located in the light path of the light source assembly, that is, one of the filters being located between the fissure hole 1241 and the first opening 111. Then, it can be ensured that the light irradiated to the first opening 111 transmits through the filter. The type of the filter can be switched with the rotation of the filter disc 1259.
[0048] For example Figure 8 As shown, the filter disc 1259 can be provided with a red-free filter, a cobalt blue filter, a green filter and a red filter. Each filter is in the shape of a sector. When the second adjusting rod 1258 is rotated to drive the rotating shaft 1256 to rotate through the worm and gear transmission structure, the filter disc 1259 is driven to rotate to switch different light for irradiating the eyeball of the patient, thereby facilitating observation.
[0049] In the embodiment, the rotating shaft 1256 is provided with a worm wheel 1257. The end of the second adjusting rod 1258 in contact with the worm wheel 1257 is a worm.
[0050] For example Figure 1 and Figure 2 In the embodiment, a magnifying lens is arranged in the first cover body 11. The magnifying lens is arranged on the light transmission hole 112, or the magnifying lens is arranged between the light source assembly 12 and the light transmission hole 112. Such arrangement can further improve the magnification, and the magnification of the mobile phone lens itself is adjusted to observe and collect more detailed characteristics of the human eye.
[0051] For example Figure 1 and Figure 2In the embodiment, the first cover body is sequentially provided with a first lens mounting groove 141 and a second lens mounting groove 142, the first lens mounting groove 141 is close to the light transmission hole 112, that is, the first lens mounting groove 141 and the second lens mounting groove 142 are sequentially arranged away from the light transmission hole 112, the first lens mounting groove 141 is used for mounting an ocular lens, the ocular lens is a magnifying lens, the second lens mounting groove is used for mounting an objective lens, and the first lens mounting groove 141 and the second lens mounting groove 142 are respectively sealed by a blocking strip which is detachably arranged on the first cover body 11.
[0052] For example, when it is required to further improve the magnification, the ocular lens can be mounted in the first lens mounting groove 141, and the objective lens can be mounted in the second lens mounting groove 142, so that the magnification is further improved through cooperation of the ocular lens and the objective lens. In addition, when it is required to observe details, the color of incident light can be changed by cooperating with the filter disc 1259, for example, the filter discs of cobalt blue light, red-free light, red light and green light are switched, so that the details of the ocular surface, conjunctiva, cornea, pupil, optic disc and retina are enhanced. The blocking strip can be a first blocking strip 143 which is detachably connected or embeddedly cooperated with the first lens mounting groove 141, and a second blocking strip 144 which is detachably connected or embeddedly cooperated with the second lens mounting groove 142. The blocking strip and the corresponding mounting groove can be fixed by using a screw and a threaded hole structure, or the blocking strip is prevented from loosening by using an interference fit. When the interference fit is used, a protrusion is arranged on the outer surface of the blocking strip, so that the blocking strip is detached through the protrusion.
[0053] As shown in Figure 1 and Figure 2 The magnetic connection member 3 includes a first magnetic block 31 and a second magnetic block 32, and a scissors structure is arranged between the first magnetic block 31 and the second magnetic block 32. The scissors structure can adjust the distance between the first magnetic block 31 and the second magnetic block 32, and further adjust the distance between the first cover body 11 and the second cover body 21, so that the first opening 111 and the second opening 211 correspond to the eye distance of the patient. The opposite surfaces of the first cover body 11 and the second cover body 21 are provided with a first clamping position and a second clamping position. One of the first magnetic block 31 and the second magnetic block 32 is adsorbed to the first clamping position, and the other is adsorbed to the second clamping position. The first clamping position and the second clamping position are beneficial to limiting the relative position of the first cover body 11 and the second cover body 21, and are also beneficial to more accurately and quickly completing the alignment and connection of the first cover body 11, the second cover body 21 and the magnetic connection member 3.
[0054] As shown in Figure 1 and Figure 4As shown, the first clamping position includes two first limiting protrusions 15 arranged on the side wall of the first cover body 11, and the first clamping position is between the two first limiting protrusions 15. The first magnetic block 31 can be limited between the two first limiting protrusions 15. The second clamping position includes two second limiting protrusions 23 arranged on the side wall of the second cover body 21, and the second clamping position is between the two second limiting protrusions 23. The second magnetic block 32 can be limited between the two second limiting protrusions 23. The outer surface of the first cover body 11 and the second cover body 21 of the embodiment can be made of a metal material, so as to facilitate the adsorption of the first magnetic block 31 and the second magnetic block 32, and also facilitate the provision of a dark environment in the first cover body 11 and the second cover body 21, avoiding the influence of external light on the observer's eyes. Of course, the outer surface of the first cover body 11 and the second cover body 21 can be a non-metal light-proof material, and a metal sheet is attached between the two first limiting protrusions 15 and the two second limiting protrusions 23, respectively, so as to facilitate the adsorption of the first magnetic block 31 and the second magnetic block 32.
[0055] In the embodiment, the opposite sides of the first cover body 11 can each be provided with a first clamping position, and the opposite sides of the second cover body 21 can each be provided with a second clamping position, so as to facilitate the adjustment of the positions of the first cover body 11 and the second cover body when observing the left and right eyes. Of course, only a single first clamping position and a second clamping position can be provided, and the first cover body 11 and the second cover body 21 can be flipped by 180 degrees for adjustment. Since the blocking strip seals the first lens mounting groove 141 and the second lens mounting groove 142, there is no need to worry about the falling of any part.
[0056] As shown in Figure 3 and Figure 4 The scissors structure includes a first scissors arm 331 and a second scissors arm 332 hinged together. The side walls of the first magnetic block 31 and the second magnetic block 32 are respectively provided with a first sliding groove 311 and a second sliding groove 321. The two ends of the first scissors arm 331 are respectively slidably arranged in the first sliding groove 311 and the second sliding groove 321 through a pin shaft 333. The two ends of the second scissors arm 332 are respectively slidably arranged in the first sliding groove 311 and the second sliding groove 321 through a pin shaft 333. The opposite sides of the first magnetic block 31 and the second magnetic block 32 can each be provided with a scissors structure, thereby improving the stability of the connection of the first magnetic block 31 and the second magnetic block 32.
[0057] As shown in Figure 3As shown, in the embodiment, nine indicator lamps 221 are arranged on the indicator lamp disc 22, one of the nine indicator lamps 221 is located at the center of the indicator lamp disc 22, and the rest of the indicator lamps are evenly arranged around the center of the indicator lamp disc 22, for example, the nine indicator lamps are respectively located at the center, above, below, left, right, upper left, upper right, lower left and lower right of the center of the indicator lamp disc 22, and the gazing direction of the patient can be guided by controlling the indicator lamp 221 to emit light. The control switch 222 of the indicator lamp disc 22 can be arranged on the second cover body 21. The indicator lamp 221 can be a red light lamp.
[0058] Although the embodiments of the present application are described in conjunction with the drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and changes fall within the scope defined by the appended claims.
Claims
1. A mobile phone lens for ophthalmic use, characterized in that, include: The first eye mask includes a first cover body (11), a light source assembly (12), and a magnetic structure (13). The first cover body (11) includes a first opening (111) and a light-transmitting hole (112) arranged opposite to each other. The first opening (111) is used to fit against the outer skin of the human eye. A guide groove (113) is provided on the first cover body (11). The guide groove (113) extends along the circumferential direction of the first cover body (11). The light source assembly (12) is located inside the first cover body (11) and is movably arranged on the guide groove (113) through a slide. The magnetic structure (13) is used to attach to the mobile phone casing. The light-transmitting hole (112) is aligned with the mobile phone lens. The second eye mask includes a second cover (21) and an indicator light disk (22). The second cover (21) includes a second opening (211). The indicator light disk (22) is disposed inside the second cover (21) and its surface is directly opposite to the second opening (211). The magnetic connector (3) is detachably connected between the first cover (11) and the second cover (21).
2. The ophthalmic mobile phone lens according to claim 1, characterized in that, The guide groove (113) extends from a first end point to a second end point on the outer surface of the first cover (11), and the line connecting the first end point and the second end point intersects the center line of the first cover (11).
3. The ophthalmic mobile phone lens according to claim 2, characterized in that, The slide includes a slider (121), a slide rod (122), and a limiting ring (123). The slider (121) is connected to one end of the slide rod (122), and the light source assembly (12) is installed at the other end of the slide rod (122). The slide rod (122) is slidably disposed in the guide groove (113). The slider (121) is slidably engaged with the outer wall of the first cover (11). The limiting ring (123) is sleeved on the slide rod (122) and slidably engaged with the inner wall of the first cover (11).
4. The ophthalmic mobile phone lens according to claim 3, characterized in that, The light source assembly (12) includes a lamp post (1252) and a lamp head (1251) located at the end of the lamp post (1252). The other end of the slide rod (122) is provided with a lamp holder (124). The lamp holder (124) has a hollow cavity extending toward the first opening (111). The lamp post (1252) is movably disposed in the hollow cavity by means of an adjustment structure.
5. The ophthalmic mobile phone lens according to claim 4, characterized in that, The first cover (11) has a mating groove (115) that is parallel to and the same size as the guide groove (113). The light source assembly includes a mounting base (1255) on the lamp holder (124) and a rotating shaft (1256) that passes through and rotatably connects the lamp holder (124) and the mounting base (1255). A second adjusting rod (1258) is rotatably connected inside the mounting base (1255). One end of the second adjusting rod (1258) is connected to the rotating shaft (1256) through a worm gear structure, and the other end extends out of the mating groove (115). A filter disk (1259) is fixedly connected to one end of the rotating shaft (1256) that extends out of the mounting base (1255). The filter disk (1259) has at least four filters of different colors. The rotating shaft (1256) is adapted to drive the filter disk (1259) to rotate so that one of the filters is located in the optical path of the light source assembly.
6. The ophthalmic mobile phone lens according to claim 4, characterized in that, The adjustment structure includes a through hole penetrating the side wall of the slider (121), the slide rod (122) and the lamp holder (124), and a first adjustment rod (126) rotatably disposed in the through hole. One end of the first adjustment rod (126) extends out of the outer wall of the slider (121), and the other end extends into the hollow cavity and is provided with gear teeth (127). The outer wall of the lamp rod (1252) is provided with a rack that engages with the gear teeth (127) and extends along the hollow cavity. A knob (128) is provided at the end of the first adjustment rod (126) that extends out of the slider (121).
7. The ophthalmic mobile phone lens according to claim 4, characterized in that, The slide block is provided with a wire channel (129), which passes through the slider (121) and the slide rod (122) in sequence and extends into the interior of the first cover (11).
8. The ophthalmic mobile phone lens according to claim 7, characterized in that, The first cover (11) is provided with a first lens mounting groove (141) and a second lens mounting groove (142) in sequence. The first lens mounting groove (141) is close to the light-transmitting hole (112) and is used to mount an eyepiece, which is a magnifying lens. The second lens mounting groove (142) is used to mount an objective lens. The first lens mounting groove (141) and the second lens mounting groove (142) are respectively sealed by a baffle strip that is detachably provided on the first cover (11).
9. The ophthalmic mobile phone lens according to claim 1, characterized in that, The magnetic connector (3) includes a first magnetic block (31) and a second magnetic block (32), and a scissor structure is provided between the first magnetic block (31) and the second magnetic block (32); the surfaces opposite to the first cover (11) and the second cover (21) are provided with a first snap-fit position and a second snap-fit position, and one of the first magnetic block (31) and the second magnetic block (32) is attracted to the first snap-fit position and the other is attracted to the second snap-fit position.
10. The ophthalmic mobile phone lens according to claim 1, characterized in that, The indicator light panel (22) is provided with nine indicator lights (221), one of which is located at the center of the indicator light panel (22), and the remaining indicator lights (221) are evenly arranged around the center of the indicator light panel (22).