CN108703739B

CN108703739B - Ophthalmic laser speckle optometry machine

Info

Publication number: CN108703739B
Application number: CN201810602095.2A
Authority: CN
Inventors: 钟青松; 张顺
Original assignee: Individual
Current assignee: Zhong Qingsong
Priority date: 2018-06-12
Filing date: 2018-06-12
Publication date: 2021-02-09
Anticipated expiration: 2038-06-12
Also published as: CN108703739A

Abstract

The invention discloses an ophthalmological laser speckle optometry machine, which comprises a right light source barrel, a fixed barrel and a left light source barrel, wherein visible light semiconductor lasers are arranged inside the right light source barrel and the left light source barrel, beam expanding screens are arranged inside the right light source barrel and the left light source barrel above the visible light semiconductor lasers, light shielding plates are arranged at the bottom ends of the right light source barrel and the left light source barrel, spiral frames are arranged at the top ends of the right light source barrel and the left light source barrel, toggle gears are arranged on the surfaces of the spiral frames, soft rubber sleeves are arranged at the top ends of the spiral frames, connecting plates are arranged on the surfaces of the fixed barrel, and optometry oculars are arranged at the top of the fixed barrel. By arranging a series of structures, the optometry machine is convenient to carry and wear and strong in applicability when in use, can be used for automatically optometry of ophthalmic patients conveniently, increases the wearing comfort and can be used for detecting anerythrochloropsia.

Description

Ophthalmic laser speckle optometry machine

Technical Field

The invention relates to the technical field of vision detection, in particular to an ophthalmic laser speckle optometry machine.

Background

The optometry is to examine the gathering condition of light after entering the eyeball, it regards the state of the emmetropia as the standard, measure the gathering and scattering difference degree between the examined eye and the emmetropia, in the actual optometry process, mainly examine the eyeball deformation condition, generally use two methods, one is to examine with the instrument, can measure the eyeball deformation condition preliminarily, one is to try on with the lens, wear with a pair of glasses that can change the lens, confirm the degree of glasses that need to wear, in the ophthalmology hospital, generally adopt the instrument optometry, only this kind of instrument often structure is fixed, while not easy to move, it is comparatively complicated to operate, need medical staff and ophthalmic disease to cooperate each other to accomplish, the specialty is strong, lack one optometry machine that can be used and optometry by oneself for the patient in the market, and the price of general optometry machine is expensive, it is not suitable for the patient to use alone and buy, can only supply to the ophthalmology hospital or each glasses shop, there are certain limitations.

Disclosure of Invention

The invention aims to provide an ophthalmic laser speckle optometry machine to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an ophthalmic laser speckle optometry machine, includes right side light source barrel, fixed barrel and left light source barrel, the surface mounting of right side light source barrel has the port of charging, power button is all installed on the right side light source barrel surface and the left light source barrel surface of port of charging top, visible light semiconductor laser is all installed to the inside of right side light source barrel and left light source barrel, inside the right side light source barrel the lithium cell is installed on visible light semiconductor laser's right side, the right side light source barrel and the left light source barrel inside of visible light semiconductor laser top all install and expand the beam screen, the light screen is all installed to the bottom of right side light source barrel and left light source barrel, and the spiral shell is all installed on the top of right side light source barrel and left light source barrel, the surface mounting of spiral shell has stirring gear, and stirring gear's bottom inwards extends, the internally mounted of spiral shell has diffusion glass screen, soft gum cover is all installed on the top of spiral rack, convex lens is all installed to the inside of soft gum cover, the astigmatism barrel is all installed to the bottom of soft gum cover, and the top of astigmatism barrel all installs fixed barrel, the connecting plate is all installed on the surface of fixed barrel, and connects through articulated shaft between the connecting plate, optometry eyepiece is all installed at the top of fixed barrel.

Preferably, the surface of the fixed cylinder on one side of the connecting plate is provided with elastic bands which are mutually connected.

Preferably, the top surface of optometry eyepiece all is provided with the draw-in groove, and the inside and the fixed barrel of optometry eyepiece switch on, and the internally mounted of optometry eyepiece has red green lens.

Preferably, the top of optometry eyepiece all installs the contact ring through the hinge, and the inner surface of contact ring all installs the fixed strip, and the fixed strip uses with the draw-in groove is mutually supported.

Preferably, a rubber protection film is mounted inside the contact ring, and an observation hole is formed in the surface of the rubber protection film.

Compared with the prior art, the invention has the beneficial effects that: the laser speckle optometry machine for ophthalmology is provided with the toggle gear, the inner surface of the laser speckle optometry machine is connected with the diffusion glass screen, the diffusion glass screen can be rotated according to actual needs, the optometry is convenient to be carried out, the convex lens can be fixed by installing the soft rubber sleeve, the red-green blind detection is carried out on a user when the convex lens is convenient to observe and optometry, certain flexibility is realized, the convex lens can be driven to move left and right within a certain range under the action of external force, the observation and the optometry are convenient, the red-green lens is installed, the laser speckle optometry machine can be fixed in an optometry eyepiece or even a fixed cylinder body, the red-green blind detection is carried out on the user, the practicability is improved, the contact ring is installed, the eye lens can be conveniently opened for the optometry, the red-green lens can be conveniently taken out and used, the rubber protective film is installed, through installing the articulated shaft, can adjust the relative angle before two connecting plates, and then adjust the distance between left light source barrel and the right light source barrel, be convenient for about the eye user that the distance is different uses, through elastic bandage, elasticity is great, can bind user's head with it when this optometry machine uses, realizes holistic fixed to it, and convenient to use goes on.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural view of an optometric part of the present invention.

In the figure: 1. a visor; 2. a charging port; 3. a right light source cylinder; 4. a spiral frame; 5. a soft rubber sleeve; 6. fixing the cylinder; 7. an optometry eyepiece; 701. red green glasses lens; 702. a card slot; 8. an elastic band; 9. a left light source barrel; 10. a power button; 11. shifting a gear; 12. a light diffusing cylinder; 13. hinging a shaft; 14. a lithium battery; 15. a diffusing glass screen; 16. a connecting plate; 17. a visible light semiconductor laser; 18. a beam expanding screen; 19. a convex lens; 20. a contact ring; 2001. a fixing strip; 2002. an observation hole; 2003. and (5) protecting a film by rubber.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, an embodiment of the present invention is shown: a laser speckle optometry machine for ophthalmology comprises a right light source barrel 3, a fixed barrel 6 and a left light source barrel 9, wherein the bottom ends of the right light source barrel 3 and the left light source barrel 9 are fixedly provided with a shading plate 1, when the device is used, the device has a good shading effect, the insides of the right light source barrel 3 and the left light source barrel 9 are both provided with a visible light semiconductor laser 17 through screws, the visible light semiconductor laser can directly generate laser beams with specific wavelengths after being electrified, the right side of the visible light semiconductor laser 17 inside the right light source barrel 3 is provided with a lithium battery 14, the inside of the lithium battery 14 is stored with electric energy, the circuit output end of the lithium battery is electrically connected with the visible light semiconductor laser 17 through a lead, the visible light semiconductor laser 17 can be powered on when in use, the surface of the right light source barrel 3 is fixedly provided with a charging port 2, and the output end of the charging port 2 is electrically, when the electric energy in the lithium battery 14 is insufficient, an external power supply can be connected by utilizing a power line to supplement the electric energy for the lithium battery 14, the surface of the right light source barrel 3 above the charging port 2 and the surface of the left light source barrel 9 are both provided with a power button 10, the power button 10 can form a specific current instruction and is electrically connected with an electrical component in the optometry machine through a wire, so that manual control is facilitated, the beam expanding screens 18 are fixedly arranged in the right light source barrel 3 and the left light source barrel 9 above the visible light semiconductor laser 17, the beam expanding screens 18 have the function of expanding beams and can process the laser beams, the top ends of the right light source barrel 3 and the left light source barrel 9 are both welded with the spiral frame 4, the spiral frame 4 is tightly sealed with the right light source barrel 3 and the left light source barrel 9 and has rotating and limiting effects, the surface of the spiral frame 4 is provided with the, the bottom end of the toggle gear 11 extends inwards, acting force can be manually applied to the toggle gear 11 to drive the toggle gear to rotate, the diffusion glass screen 15 is fixedly installed inside the spiral rack 4, the surface of the actual diffusion glass screen 15 is connected with the inner surface of the toggle gear 11, the toggle gear 11 can be driven to rotate and receive laser beams to form a diffusion effect, the top end of the spiral rack 4 is fixedly provided with the soft rubber sleeve 5, the soft rubber sleeve 5 has strong flexibility and can easily deform, the inner part of the soft rubber sleeve 5 is embedded with the convex lens 19, the convex lens 19 has an amplification effect, after laser diffusion, the convex lens 19 is in surface contact with the convex lens 19, laser speckles are distributed on the diffusion glass screen 15, the bottom end of the soft rubber sleeve 5 is provided with the light diffusion cylinder 12, the top of the light diffusion cylinder 12 is welded with the fixed cylinder 6, the fixed cylinder 6 is communicated with the inner part of the soft rubber sleeve 5, have transmission light and fixed effect, connecting plate 16 has all been welded on the surface of solid fixed cylinder 6, and connect through articulated shaft 13 between the connecting plate 16, articulated shaft 13 can guarantee rotation and the connection effect between two connecting plates 16, when using, can be by applying the effort to connecting plate 16, adjust the two relative angle of right light source barrel 3 and left light source barrel 9 around articulated shaft 13, and then adjust its distance, gu fixed cylinder 6's top all installs optometry eyepiece 7 through the flank of thread body, optometry eyepiece 7 contacts with human eye, convenient to use person observes.

Furthermore, the surfaces of the fixing cylinder bodies 6 on one side of the connecting plate 16 are all fixedly provided with elastic binding bands 8, and the elastic binding bands 8 are mutually connected. In the embodiment, elasticity and the pliability of elastic bandage 8 are stronger, before the in-service use, can wrap up user's head, fix optometry eyepiece 7 in user's eye position, the going on of the optometry of being convenient for.

Further, the top surface of the optometry eyepiece 7 is provided with a clamping groove 702, the interior of the optometry eyepiece 7 is communicated with the fixed cylinder 6, and the red and green lenses 701 are movably arranged in the interior of the optometry eyepiece 7. In the embodiment, the red-green lens 701 can be installed in the optometry eyepiece 7 or even the fixed cylinder 6, and the characteristics of the user of red-green achromatism can be detected according to different colors.

Further, the top end of the optometry eyepiece 7 is provided with a contact ring 20 through hinges, the inner end surface of the contact ring 20 is welded with a fixing strip 2001, and the fixing strip 2001 and the clamping groove 702 are matched with each other for use. In an embodiment, the contact ring 20 can facilitate opening or closing the optometry eyepiece 7, and is clamped into the clamping groove 702 by the fixing strip 2001, so that the fixed connection effect of the contact ring 20 and the optometry eyepiece 7 is realized.

Further, a rubber protective film 2003 is bonded to the inside of the contact ring 20, and an observation hole 2002 is provided in the surface of the rubber protective film 2003. In the embodiment, the rubber protective film 2003 is soft and contacts with the eyes of the human body, so that the wearing comfort can be improved, a certain light shielding effect can be realized, and observation and use can be performed only by using the observation hole 2002.

The working principle is as follows: before using, the rubber protection film 2003 is needed to wrap the left eye and the right eye of a user respectively, the elastic binding band 8 is wrapped on the head of the user, the optometry machine is integrally fixed on the head of a human body by the elasticity of the elastic binding band 8, the rubber protection film 2003 is in contact with the eyes of the human body to form a certain wrapping effect, the interior of the device is observed only through the observation hole 2002, the power button 10 is touched, the electric energy in the lithium battery 14 is used for connecting an external power supply to the visible light semiconductor laser 17, therefore, the visible light semiconductor laser 17 emits laser with a specific wavelength, after the laser is expanded through the beam expanding screen 18, a speckle field can be formed, the diffusion glass screen 15 is essentially a piece of ground glass, the speckle field can be projected on the surface of the diffusion screen to realize diffusion, and when the convex lens 19 is used for observation under the condition that human eyeballs are, can be more direct observe the speckle field on 15 surfaces of diffusion glass screen, according to laser speckle technical principle, the user can be by oneself manual rotation toggle gear 11, toggle gear 11 drives diffusion glass screen 15 and carries out unidirectional synchronous rotation, when carrying out the levogyration, human left eye or right eye observe the speckle when dextrorotation, extrusion gum cover 5 drives convex lens 19 in it when moving right, the speckle is observed to the people's eye and is moved left, be near-sighted promptly, if people observe that the relative speckle of convex lens 19 also moves left when the relative speckle of convex lens is moved left, be far-sighted promptly, when can't see relative motion, people's eyesight is normal promptly.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an ophthalmic laser speckle optometry machine, includes right light source barrel (3), fixed barrel (6) and left light source barrel (9), its characterized in that: the surface mounting of right side light source barrel (3) has charging port (2), power button (10) are all installed on the right side light source barrel (3) surface and left light source barrel (9) surface of charging port (2) top, visible light semiconductor laser (17) are all installed to the inside of right side light source barrel (3) and left light source barrel (9), right side light source barrel (3) inside lithium cell (14) are installed on the right side of visible light semiconductor laser (17), beam expanding screen (18) are all installed to right side light source barrel (3) and left light source barrel (9) inside of visible light semiconductor laser (17) top, light screen (1) all are installed to the bottom of right side light source barrel (3) and left light source barrel (9), and spiral rack (4) are all installed on the top of right side light source barrel (3) and left light source barrel (9), the surface mounting of the spiral rack (4) is provided with a shifting gear (11), the bottom end of the shifting gear (11) extends inwards, a diffusion glass screen (15) is mounted inside the spiral rack (4), soft rubber sleeves (5) are mounted at the top ends of the spiral rack (4), convex lenses (19) are mounted inside the soft rubber sleeves (5), light scattering cylinders (12) are mounted at the bottom ends of the soft rubber sleeves (5), fixed cylinders (6) are mounted at the tops of the light scattering cylinders (12), connecting plates (16) are mounted on the surfaces of the fixed cylinders (6), the connecting plates (16) are connected through hinge shafts (13), and optometry eyepieces (7) are mounted at the tops of the fixed cylinders (6);

through installing soft gum cover (5), can fix convex lens piece (19), when being convenient for observe and optometry, have certain pliability, can drive convex lens piece (19) under the exogenic action and carry out the removal of certain limit, be convenient for observe and optometry.

2. An ophthalmic laser speckle optometry machine according to claim 1, characterized in that: the surface of the fixed cylinder body (6) on one side of the connecting plate (16) is provided with elastic binding bands (8), and the elastic binding bands (8) are mutually connected.

3. An ophthalmic laser speckle optometry machine according to claim 1, characterized in that: the top surface of optometry eyepiece (7) all is provided with draw-in groove (702), and the inside and fixed barrel (6) of optometry eyepiece (7) switch on, and the internally mounted of optometry eyepiece (7) has red green lens (701).

4. An ophthalmic laser speckle optometry machine according to claim 3, wherein: contact ring (20) are all installed through the hinge in the top of optometry eyepiece (7), and contact ring (20) the inner surface all install fixed strip (2001), and fixed strip (2001) and draw-in groove (702) use of mutually supporting.

5. An ophthalmic laser speckle optometry machine according to claim 4, wherein: a rubber protective film (2003) is mounted inside the contact ring (20), and an observation hole (2002) is formed in the surface of the rubber protective film (2003).