CN109222886A - Diopter-adjustable debugs eye - Google Patents
Diopter-adjustable debugs eye Download PDFInfo
- Publication number
- CN109222886A CN109222886A CN201811365289.1A CN201811365289A CN109222886A CN 109222886 A CN109222886 A CN 109222886A CN 201811365289 A CN201811365289 A CN 201811365289A CN 109222886 A CN109222886 A CN 109222886A
- Authority
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- China
- Prior art keywords
- lens
- diopter
- eye
- adjustable
- dolly camera
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000003384 imaging method Methods 0.000 claims abstract description 14
- 210000004087 cornea Anatomy 0.000 claims abstract description 9
- 210000001747 pupil Anatomy 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 230000003287 optical effect Effects 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 239000000944 linseed oil Substances 0.000 claims description 3
- 235000021388 linseed oil Nutrition 0.000 claims description 3
- 239000001293 FEMA 3089 Substances 0.000 claims description 2
- 239000004006 olive oil Substances 0.000 claims description 2
- 235000008390 olive oil Nutrition 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 210000000695 crystalline len Anatomy 0.000 description 67
- 210000001525 retina Anatomy 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000036040 emmetropia Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The present invention provides a kind of diopter-adjustable debugging eye, including positioning body, front lens, rear lens, liquid storage device and focal length mirror assembly, front lens is mounted on positioning body front end, rear lens is located in the positioning body of front lens rear end, and sap cavity is formed between front lens and rear lens, liquid storage device is connected to sap cavity, and front lens front end is equipped with analog cornea, is equipped with imitation pupil in the middle part of analog cornea；Focal length mirror assembly includes dolly camera, focal length eyeglass, lens barrel, imaging sensor and attachment base, and focal length eyeglass is mounted on lens barrel front end, and lens barrel rear end is connect with imaging sensor；Dolly camera rear end is connect with lens barrel, and dolly camera front end is nested in positioning body, and rear lens is installed in end, and rear lens can change dolly camera insertion and position intracorporal length along the inside external extension of positioning body axis together in company with dolly camera.It can be obtained by required different equivalent diopter, while judging whether image imaging definition is identical with actual measurement diopter matching by monitoring camera.
Description
Technical field
The present invention relates to optical devices technologies fields, debug eye more particularly to a kind of diopter-adjustable.
Background technique
Optometry unit is to check the incident retrobulbar aggregation situation of light using emmetropia state as standard, measure eye subject with
The electronic instrument of poly- scattered difference degree between emmetropia.In the design process for carrying out optometry unit, need to debug equipment,
To ensure that optometry unit is able to satisfy the technical indicator of inspection.
When carrying out the debugging of optometry unit, need to use ancillary equipment debugging eye (also referred to as simulated eye), debugging eye is special
For the electronic instrument of ophthalmology inspection shadow practice, for simulating the different diopters of human eye.It is existing debugging eye only have standard ±
2.50, ± 5.00, ± 10.00, ± 15.00, ± 20.00 and 0 degree of 11 integers, and different human eyes have each different diopters,
So can not confirm this is whether human eye refractive diopter other than a standard simulation eye is accurate and stablize, image can not be also judged
Whether imaging definition coincide with actual measurement diopter matching.
Using this problem can be solved after the art of this patent.
Summary of the invention
The technical problems to be solved by the present invention are: in order to overcome in the prior art debugging eye can not correspond to different diopters
Human eye measurement stability and accuracy deficiency, while can monitor clear image whether with actual measurement diopter Corresponding matching.
The present invention provides a kind of diopter-adjustable debugging eye.
The present invention solves its technical problem technical solution to be taken: a kind of diopter-adjustable debugging eye, including fixed
Position body, front lens, rear lens, liquid storage device and focal length mirror assembly, the front lens are mounted on positioning body front end, the rear lens
The sap cavity for accommodating liquid optical medium is formed in the positioning body of front lens rear end, and between front lens and rear lens,
The liquid storage device is connected to by pipeline with sap cavity, and the front end of the front lens is equipped with analog cornea, is set in the middle part of the analog cornea
Have an imitation pupil, the imitation pupil it is adjustable.
The focal length mirror assembly includes dolly camera, focal length eyeglass, lens barrel, imaging sensor and attachment base, the focal length
Eyeglass is mounted on the front end of lens barrel, and the lens barrel rear end is connect by attachment base with imaging sensor；The dolly camera rear end
It is connect with lens barrel, specifically, outside of the dolly camera rear end cap in the lens barrel front end, the dolly camera front end are nested in institute
State in positioning body, and rear lens is installed in end, the rear lens in company with dolly camera together can along the inside external extension of positioning body axis,
Change dolly camera insertion and position intracorporal length, by changing embedded length, to adjust front lens vertex and rear lens bottom
The distance between face, to realize the adjustment of diopter.
Further, it is equipped with sequentially connected preceding mirror mounting hole and dolly camera mounting hole inside the positioning body, before described
Before eyeglass is mounted in mirror mounting hole, the dolly camera is mounted in dolly camera mounting hole.The aperture of preceding mirror mounting hole is small
In the aperture of dolly camera mounting hole, the length of dolly camera mounting hole can be determined according to the adjustable range of diopter, and one
As it is relatively long, dolly camera mounting hole a part be used for dolly camera installation and adjusting, another part be used for stroke sap cavity,
For accommodating liquid optical medium.
Specifically, the preceding mirror mounting hole side wall is equipped with jackscrew, the preceding mirror for the ease of the installation and replacement of front lens
Before piece is fixed on by jackscrew in mirror mounting hole.When installation or replacement front lens, as long as unclamping side wall jackscrew can be completed.
Further, in order to avoid the liquid optical medium leakage in sap cavity, between the front lens and preceding mirror mounting hole, institute
State between dolly camera and dolly camera mounting hole and be all made of between the rear lens and dolly camera sealing ring sealing.
Preferably, the refractive index of the liquid optical medium is 1.4782.
Preferably, the liquid optical medium includes but is not limited to linseed oil, olive oil, turpentine oil or glycerol etc..
Preferably, the front lens and rear lens using glass system or high refractive index resins at.
Preferably, the refractive index of the glass is 1.5163.
Preferably, the glass uses but is not limited to K9 glass, ZF2 glass or ZK1 glass etc..
Further, for the ease of the installation of liquid storage device, the outside of the positioning body rear end is equipped with annular convex platform, the liquid storage
Device is mounted on annular convex platform.
The beneficial effects of the present invention are: a kind of diopter-adjustable provided by the invention debugs eye, with tune in the prior art
Examination eye, which is compared, the characteristics of can arbitrarily adjusting required diopter.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of preferred embodiment.
In figure: 1, positioning body, 2, analog cornea, 3, front lens, 4, rear lens, 5, liquid storage device, 6, dolly camera, 7, focal length
Eyeglass, 8, lens barrel, 9, imaging sensor, 10, attachment base, 11, pipeline, 12, sealing ring, 13, sap cavity, 14, simulation retina,
15, imitation pupil, 16, screw.
Specific embodiment
Presently in connection with attached drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way
Basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of diopter-adjustable of the invention debugs eye, including positioning body 1, front lens 3, rear lens 4, storage
Liquid device 5 and focal length mirror assembly, the focal length mirror assembly include dolly camera 6, focal length eyeglass 7, lens barrel 8,9 and of imaging sensor
Attachment base 10.
The outside of 1 rear end of positioning body is equipped with annular convex platform, and the liquid storage device 5 is mounted on annular convex platform.Inside positioning body 1
Equipped with sequentially connected preceding mirror mounting hole and 6 mounting hole of dolly camera, and the aperture of preceding mirror mounting hole is installed less than dolly camera 6
The aperture in hole, the front lens 3 are mounted in the preceding mirror mounting hole of 1 front end of positioning body, and 6 front end of dolly camera is nested in institute
It states in 6 mounting hole of dolly camera of 1 rear end of positioning body, and rear lens 4 is installed in end, rear lens 4 together may be used in company with dolly camera 6
Along the inside external extension of 1 axis of positioning body, change the length that dolly camera 6 is embedded in positioning body 1, by changing embedded length, thus
The distance between 3 vertex of front lens and 4 bottom surface of rear lens are adjusted, to realize the adjustment of diopter.
The sap cavity 13 for accommodating liquid optical medium is formed between front lens 3 and rear lens 4, the liquid storage device 5 passes through
The pipeline 11 that the inside of positioning body 1 is arranged in is connected to sap cavity 13.The front end of front lens 3 is equipped with analog cornea 2, analog cornea 2
Middle part be equipped with imitation pupil 15, imitation pupil 15 it is adjustable.For the ease of the installation and replacement of front lens 3, the preceding mirror
Mounting hole side wall is equipped with jackscrew, before the front lens 3 is fixed on by jackscrew in mirror mounting hole.Screw 16 is used in the present embodiment
As jackscrew, threaded hole is equipped on the side wall of preceding mirror mounting hole, screw 16 is connect with threaded hole, for locking front lens 3.
Lens barrel 8 is connected to 6 rear end of dolly camera, and inside end insertion dolly camera 6, focal length eyeglass 7 is mounted on lens barrel 8
Front end, 8 rear end of lens barrel connect by attachment base 10 with imaging sensor 9, and 10 sets of attachment base on lens barrel 8.
In order to avoid the liquid optical medium leakage in sap cavity 13, between the front lens 3 and preceding mirror mounting hole, described stretch
The sealing of sealing ring 12 is all made of between 6 mounting hole of contracting camera lens 6 and dolly camera and between the rear lens 4 and dolly camera 6.
In the present embodiment, the refractive index of the liquid optical medium is preferably 1.478.Preferably, the optics of liquids is situated between
Matter can use linseed oil.Since the refractive index of various objects is different, the front lens 3 and rear lens 4 are made of glass,
Refractive index is 1.5163, it is preferred that the glass is K9 glass.
Debugging process and principle:
Front lens 3 is used to simulate the crystalline lens of human eye, using convex lens；The bottom surface of rear lens 4 is used as simulation retina 14,
For simulating the retina of human eye, rear lens 4 is planar lens；The distance of 3 vertex of front lens to 4 bottom surface of rear lens represents human eye
Diopter, distance more long negative diopter it is bigger, distance shorter positive diopter it is bigger.Debugging eye Qu Guangdu be by preceding vertex point to
The distance of mirror bottom surface determines afterwards, and diopter can be adjusted by changing distance.
When debugging, after stretching out dolly camera 6, the distance between front lens 3 and rear lens 4 are elongated, negative dioptric
Degree increases, meanwhile, the volume of sap cavity 13 increases, and the liquid optical medium in liquid storage device 5 enters in sap cavity 13 through piping 11, will
The space of expansion is supplied, and optometry unit measures front lens 3, current liquid optical medium, diopter combined by rear lens 4.
After being inwardly indented dolly camera 6, the distance between front lens 3 and rear lens 4 shorten, and positive diopter increases,
Meanwhile the volume increasing of sap cavity 13 is small, extra liquid optical medium is just discharged in liquid storage device 5 in sap cavity 13, at this point, optometry
Instrument measures front lens 3, current liquid optical medium, diopter combined by rear lens 4.
4 imaging surface of rear lens adds long lens imaging, and imaging sensor 9 is imaged in after focal length mirror assembly, by amplification
It is shown in display, judges whether image imaging definition is identical with current actual measurement diopter matching by monitoring camera.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff
Various changes and amendments can be carried out without departing from the scope of the present invention completely.The technical scope of this invention is not
The content being confined on specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of diopter-adjustable debugs eye, it is characterised in that: including positioning body (1), front lens (3), rear lens (4), liquid storage
Device (5) and focal length mirror assembly, the front lens (3) are mounted on positioning body (1) front end, and the rear lens (4) is located at front lens
(3) in the positioning body (1) of rear end, and the sap cavity for accommodating liquid optical medium is formed between front lens (3) and rear lens (4)
(13), the liquid storage device (5) is connected to by pipeline (11) with sap cavity (13), and the front end of the front lens (3) is equipped with analog cornea
(2), imitation pupil (15) are equipped in the middle part of the analog cornea (2)；
The focal length mirror assembly includes dolly camera (6), focal length eyeglass (7), lens barrel (8), imaging sensor (9) and attachment base
(10), the focal length eyeglass (7) is mounted on the front end of lens barrel (8), and lens barrel (8) rear end is passed by attachment base (10) and image
Sensor (9) connection；Dolly camera (6) rear end is connect with lens barrel (8), and it is described fixed that dolly camera (6) front end is nested in
In position body (1), and end installation rear lens (4), the rear lens (4) together can be along positioning body (1) axis in company with dolly camera (6)
Inside external extension changes the length in dolly camera (6) insertion positioning body (1).
2. diopter-adjustable as described in claim 1 debugs eye, it is characterised in that: be equipped with successively inside the positioning body (1)
The preceding mirror mounting hole and dolly camera (6) mounting hole of connection, it is described flexible before the front lens (3) is mounted in mirror mounting hole
Camera lens (6) is mounted in dolly camera (6) mounting hole.
3. diopter-adjustable as claimed in claim 2 debugs eye, it is characterised in that: the preceding mirror mounting hole side wall is equipped with top
Silk, before the front lens (3) is fixed on by jackscrew in mirror mounting hole.
4. diopter-adjustable as claimed in claim 2 debugs eye, it is characterised in that: the front lens (3) and preceding mirror mounting hole
Between, between the dolly camera (6) and dolly camera (6) mounting hole and between the rear lens (4) and dolly camera (6)
It is all made of sealing ring (12) sealing.
5. diopter-adjustable as described in claim 1 debugs eye, it is characterised in that: the refractive index of the liquid optical medium is
1.4782。
6. diopter-adjustable as claimed in claim 5 debugs eye, it is characterised in that: the liquid optical medium is linseed
Oil, olive oil, turpentine oil or glycerol.
7. diopter-adjustable as described in claim 1 debugs eye, it is characterised in that: the front lens (3) and rear lens (4) are adopted
It is made of glass or high refractive index resins.
8. diopter-adjustable as claimed in claim 7 debugs eye, it is characterised in that: the refractive index of the glass is 1.5163.
9. diopter-adjustable as claimed in claim 8 debugs eye, it is characterised in that: the glass be K9 glass, ZF2 glass or
ZK1 glass.
10. diopter-adjustable as described in claim 1 debugs eye, it is characterised in that: set on the outside of positioning body (1) rear end
There is annular convex platform, the liquid storage device (5) is mounted on annular convex platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365289.1A CN109222886B (en) | 2018-11-16 | 2018-11-16 | Diopter adjustable regulating eye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365289.1A CN109222886B (en) | 2018-11-16 | 2018-11-16 | Diopter adjustable regulating eye |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109222886A true CN109222886A (en) | 2019-01-18 |
| CN109222886B CN109222886B (en) | 2024-04-12 |
Family
ID=65075572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811365289.1A Active CN109222886B (en) | 2018-11-16 | 2018-11-16 | Diopter adjustable regulating eye |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109222886B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111134615A (en) * | 2020-02-25 | 2020-05-12 | 上海鹰瞳医疗科技有限公司 | Refractive adjustment device of eye ground camera and eye ground camera |
| CN116013140A (en) * | 2022-09-01 | 2023-04-25 | 温州高视雷蒙光电科技有限公司 | a simulated eye |
| CN116687335A (en) * | 2023-08-01 | 2023-09-05 | 深圳盛达同泽科技有限公司 | Large-view-field debugging simulation eye with adjustable pupil size and diopter |
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| CN111134615B (en) * | 2020-02-25 | 2025-01-21 | 上海鹰瞳医疗科技有限公司 | Refraction adjustment device for fundus camera and fundus camera |
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| CN116687335A (en) * | 2023-08-01 | 2023-09-05 | 深圳盛达同泽科技有限公司 | Large-view-field debugging simulation eye with adjustable pupil size and diopter |
| CN116687335B (en) * | 2023-08-01 | 2023-11-28 | 深圳盛达同泽科技有限公司 | Large-view-field debugging simulation eye with adjustable pupil size and diopter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109222886B (en) | 2024-04-12 |
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