CN103565407A - Jet eye pressure detection device - Google Patents
Jet eye pressure detection device Download PDFInfo
- Publication number
- CN103565407A CN103565407A CN201210253947.4A CN201210253947A CN103565407A CN 103565407 A CN103565407 A CN 103565407A CN 201210253947 A CN201210253947 A CN 201210253947A CN 103565407 A CN103565407 A CN 103565407A
- Authority
- CN
- China
- Prior art keywords
- path
- mentioned
- light path
- aperture mirror
- jet
- 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.)
- Pending
Links
Images
Landscapes
- Eye Examination Apparatus (AREA)
Abstract
A jet eye pressure detection device comprises an optical detection device and an air blowing device. The optical detection device comprises an image light path, a detection light path and a spectroscope, wherein the image light path is provided with an aperture mirror and a light sensor element, the aperture mirror is provided with an opening, and the light sensor device obtains an eyeball image through the opening to aim at the position of the eyeball of a testee; the detection light path is provided with a detecting element, and the detecting element projects detection signals onto the opening and obtains reflected signals through the opening to convert the numerical value of the eye pressure; the spectroscope is arranged on an image light path and the light detection path and enables the light sensor element and the detection element to respectively form a first path and a second path with different axial directions. The air blowing device is connected onto the optical detection device through assembly and provides air to form an air blowing path from the opening of the aperture mirror to blow outwards. According to the jet eye pressure detection device, by designing the second path of the detection light path and the air blowing path of the air blowing device to be on the coaxial path, the error influences caused by part tolerance can be effectively reduced.
Description
Technical field
The present invention is about a kind of checkout gear that carries out level pressure air blowing for testee eyes, refers to especially a kind ofly will detect the intraocular tension testing device that light path and air blowing path setting are equidirectional path.
Background technology
The instrument that checks intraocular pressure is a lot, common are planishing type tonometer, intraocular pressure pen and vapour-pressure type tonometer.So-called planishing type tonometer is the most reliable tonometry method, must put in advance upper anaesthetic before detecting on cornea, then measures intraocular pressure with tonometer contact cornea.
So-called intraocular pressure pen is similar to the design of planishing type tonometer, is also equally to need contact, is mainly easy to carry, can be used for Rapid Screening, but fault rate and error rate are also relatively high.
And so-called vapour-pressure type tonometer is that gas moment of certain pressure is penetrated and flatten cornea to cornea, at applying electronic, detect the reactions change amount of echo and converse intraocular pressure numerical value, its major advantage needn't contact patient's cornea, but intraocular pressure can error when above to 40 millimetress of mercury at height to thirty, the therefore main multiplex screening that comes.
Please join shown in the 1st figure, tradition vapour-pressure type tonometer is provided with a slit plate 11 in eyeball 10 the place aheads, and in slit plate 11 rears, sequentially arrange and establish first lens 12 and the second lens 13, by the second direct photo-sensitive cell 14 in lens 13 rears, form an image light path 15, wherein, blowning installation (not shown) is installed between first lens 12 and nozzle 11, and the space by nozzle 11 forms an air blowing path 16 and directly blows and penetrate eyeball 10 by air.
And the detection light path 17 of traditional vapour-pressure type tonometer, be to be projected to eyeball 10 with one with the infrared light sources 18 (Infrared light source) of blowning installation different directions, and receive the signal being reflected by eyeball 10 and converse intraocular pressure numerical value by a light source receiving device 19 (Photoelectric cell).
Yet traditional vapour-pressure type tonometer is located on different paths from air blowing path because it detects light path, the error in the tolerance on part and assembling, by the difference easily causing in result of determination.Therefore, for making vapour-pressure type tonometer can calculate comparatively accurately intraocular pressure numerical value, the real necessity that has improvement innovation of the detection light path of traditional vapour-pressure type tonometer and image light path.
Summary of the invention
Whence is that main purpose of the present invention, aims to provide a kind of jet-propelled intraocular tension testing device, and detection light path and blowning installation are designed to, on coaxial path, effectively reduce the error effect that part tolerance causes.
Position and required time while another object of the present invention is to utilize OCT technology conjunction measuring cornea applanation, limited reduction detects the required time.
For on reaching, take off object, the jet-propelled intraocular tension testing device of the present invention is consisted of an optical detection apparatus and a blowning installation, wherein, above-mentioned optical detection apparatus comprises: an image light path, be provided with an aperture mirror and a photo-sensitive cell, above-mentioned aperture mirror has an opening, and above-mentioned photo-sensitive cell is obtained the eyeball image of testee by aperture mirror opening, to aim at testee eyeball position; One detects light path, has the detecting element of a detection intraocular pressure, and above-mentioned detecting element projects detection signal towards aperture mirror opening, and by aperture mirror opening, obtains the reflected signal of testee eyeball, to converse current intraocular pressure numerical value; And a spectroscope, be positioned at image light path and detect in light path, the photo-sensitive cell that makes above-mentioned image light path and the detecting element that detects light path form respectively a disalignment to the first path and the second path.
Above-mentioned blowning installation is connected to above-mentioned optical detection apparatus, and air is offered to above-mentioned optical detection apparatus, forms an air blowing path outwards blow out by above-mentioned aperture mirror opening.Wherein, the air blowing path of above-mentioned blowning installation is positioned on coaxial path with the second path of detecting light path, and the air blowing path of blowning installation and the first path of image light path are positioned on disalignment path.
Image light path of the present invention is further set up at least one relay lens with detection light path inside, in a possible embodiments, between above-mentioned aperture mirror and spectroscope, be provided with one first relay lens, between above-mentioned spectroscope and photo-sensitive cell, be provided with one second relay lens, and between above-mentioned spectroscope and detecting element, be provided with one the 3rd relay lens.Above-mentioned blowning installation is assembled between above-mentioned aperture mirror and the first relay lens again.
In a preferred embodiment, above-mentioned detecting element is made as an optics people having the same aspiration and interest and scans imaging (OCT, Optical Coherence Tomography) device or a sensitization coupling element (CCD, ChargeCoupled Device); And above-mentioned photo-sensitive cell is made as a complementary metal oxide semiconductor image sensing device (CMOS image sensor).
The invention has the advantages that: detection light path and blowning installation are designed to, on coaxial path, effectively reduce the error effect that part tolerance causes.Meanwhile, utilize OCT technology to coordinate CMOS or CCD measured angular mould position and required time at ordinary times, limited reduction detects the required time.
Accompanying drawing explanation
The 1st figure is the light path schematic diagram of traditional intraocular tension testing device imaging; And
The 2nd figure is the light path schematic diagram of spray apparatus formula intraocular tension testing device of the present invention imaging.
Main element symbol description:
10---eyeball
11---nozzle
12---first lens
13---the second lens
14---photo-sensitive cell
15---image light path
16---air blowing path
17---detects light path
18---infrared light sources
19---light source receiving device
20---optical detection apparatus
21---image light path
210---aperture mirror
211---opening
212---photo-sensitive cell
213---the first path
214---the first relay lens
215---the second relay lens
22---detects light path
220---detecting element
221---the second path
222---the 3rd relay lens
23---spectroscope
30---blowning installation
31---air blowing path
The specific embodiment
Hereby, for ease of further structure of the present invention, use and feature thereof being had to clear and definite, the full and accurate understanding of darker one deck and understanding, preferred embodiment is enumerated in whence, coordinates graphic being described in detail as follows:
Refer to shown in the 2nd figure, the jet-propelled intraocular tension testing device of the present invention is mainly by a detection optical detection apparatus 20 of measuring for eyeball 10 pressure sizes and a pair of eyeball 10, to carry out air to blow the blowning installation 30 of penetrating and form.
In a preferred embodiment, above-mentioned optical detection apparatus 20 mainly comprises: an image light path 21, detects light path 22 and a spectroscope 23, wherein, above-mentioned image light path 21 is provided with the aperture mirror 210 of a tool opening 211 in contiguous eyeball 10 one end, place, and be provided with a photo-sensitive cell 212 in the other end, by above-mentioned photo-sensitive cell 212, by above-mentioned aperture mirror 210 openings 211, obtained eyeball 10 images of testee, to aim at testee eyeball 10 positions.
In addition, above-mentioned detection light path 22 has the detecting element 220 of a detection intraocular pressure, above-mentioned detecting element 220 projects detection signals towards above-mentioned aperture mirror 210 openings 211, and by above-mentioned aperture mirror 210 openings 211, obtains the reflected signal of testee eyeball 10, to converse current intraocular pressure numerical value.
Moreover above-mentioned spectroscope 23 is positioned at image light path 21 and detects in light path 22, the photo-sensitive cell 212 that makes above-mentioned image light path 21 and the detecting element 220 that detects light path 22 form respectively a disalignment to the first path 213 and the second path 221.
Above-mentioned blowning installation 30 is connected to above-mentioned optical detection apparatus 20, and air is offered to above-mentioned optical detection apparatus 20, forms an air blowing path 31 outwards blow out by above-mentioned aperture mirror 210 openings 211.
Feature of the present invention is that the air blowing path 31 of blowning installation 30 and the second path 221 of detecting light path 22 are positioned on coaxial path, and the air blowing path 31 of blowning installation 30 is positioned on disalignment path with the first path 213 of image light path 21.So can allow air blowing path 31 and detection light path 22 be positioned on same axial path, effectively reduce the error effect that part tolerance causes.
As shown in Figure 2, in a preferred embodiment, above-mentioned image light path 21 is further set up relay lens with detection light path 22 inside, between above-mentioned aperture mirror 210 and spectroscope 23, be provided with again one first relay lens 214, between above-mentioned spectroscope 23 and photo-sensitive cell 212, be provided with one second relay lens 215, and between above-mentioned spectroscope 23 and detecting element 22, be provided with one the 3rd relay lens 222.In graphic possible embodiments, above-mentioned blowning installation 30 is assembled between above-mentioned aperture mirror 210 and the first relay lens 214.
Yet, this is only by the use illustrating for convenience, be not in a limitative way image light path 21 and detect minute surface kind and the quantity in light path 22, that is above-mentioned image light path 21 and detect light path 22 and can add according to other functional requirements in design the minute surface of other variety classeses and quantity.
In a preferred embodiment, above-mentioned detecting element 220 is made as an optics people having the same aspiration and interest and scans imaging (OCT, Optical Coherence Tomography) device or a sensitization coupling element (CCD, Charge Coupled Device).And above-mentioned photo-sensitive cell 212 is made as a complementary metal oxide semiconductor image sensing device (CMOS image sensor).
The present invention measures eyeball 10 positions by the photo-sensitive cell 212 of above-mentioned image light path 21, and carry out error correction in acknowledgement bit postpone, make the follow-up detecting element 220 being positioned on 31 coaxial lines of jet path be able to the error of spare part to drop to minimum, finally by detecting element 220, directly calculate the intraocular pressure numerical value that reactions change amount converses current eyeball 10.
In sum, the present invention is designed to detection light path and blowning installation on coaxial path, effectively to reduce the error effect that part tolerance causes, simultaneously, position and required time while utilizing the optics people having the same aspiration and interest to scan imaging (OCT) commercial measurement cornea applanation, limited reduction detects the required time.
Above illustrated embodiment, only with the present invention for convenience of description, be not in a limitative way, not from the present invention spirit category, various Simple transformeds and modification that those of ordinary skills do according to the present patent application the scope of the claims and invention description, all must include in following claim.
Claims (7)
1. a jet-propelled intraocular tension testing device, comprises:
One optical detection apparatus, comprises:
One image light path, is provided with an aperture mirror and a photo-sensitive cell, and above-mentioned aperture mirror has an opening, and above-mentioned photo-sensitive cell is obtained the eyeball image of testee by above-mentioned aperture mirror opening, to aim at testee eyeball position;
One detects light path, has the detecting element of a detection intraocular pressure, and above-mentioned detecting element projects detection signal towards above-mentioned aperture mirror opening, and by above-mentioned aperture mirror opening, obtains the reflected signal of testee eyeball, to converse current intraocular pressure numerical value; And
One spectroscope, is positioned at above-mentioned image light path and detects in light path, the photo-sensitive cell that makes above-mentioned image light path and the detecting element that detects light path form respectively a disalignment to the first path and the second path; And
One blowning installation, is connected to above-mentioned optical detection apparatus, and air is offered to above-mentioned optical detection apparatus, forms an air blowing path outwards blow out by above-mentioned aperture mirror opening;
Wherein, above-mentioned air blowing path is positioned on coaxial path with the second path, and above-mentioned air blowing path and the first path are positioned on disalignment path.
2. jet-propelled intraocular tension testing device as claimed in claim 1, wherein, above-mentioned image light path with detect light path inside and further set up at least one relay lens.
3. jet-propelled intraocular tension testing device as claimed in claim 2, wherein, between above-mentioned aperture mirror and spectroscope, be provided with one first relay lens, between above-mentioned spectroscope and photo-sensitive cell, be provided with one second relay lens, and between above-mentioned spectroscope and detecting element, be provided with one the 3rd relay lens.
4. jet-propelled intraocular tension testing device as claimed in claim 3, wherein, above-mentioned blowning installation is located between above-mentioned aperture mirror and the first relay lens.
5. jet-propelled intraocular tension testing device as claimed in claim 1, wherein, above-mentioned detecting element is made as an optics people having the same aspiration and interest and scans imaging device.
6. jet-propelled intraocular tension testing device as claimed in claim 1, wherein, above-mentioned detecting element is made as a sensitization coupling element.
7. jet-propelled intraocular tension testing device as claimed in claim 1, wherein, above-mentioned photo-sensitive cell is made as a complementary metal oxide semiconductor image sensing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210253947.4A CN103565407A (en) | 2012-07-20 | 2012-07-20 | Jet eye pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210253947.4A CN103565407A (en) | 2012-07-20 | 2012-07-20 | Jet eye pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103565407A true CN103565407A (en) | 2014-02-12 |
Family
ID=50038746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210253947.4A Pending CN103565407A (en) | 2012-07-20 | 2012-07-20 | Jet eye pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103565407A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000070224A (en) * | 1998-08-27 | 2000-03-07 | Canon Inc | Eye examination device |
| US20020173711A1 (en) * | 2001-05-21 | 2002-11-21 | Walton Eric K. | Non-contact instrument for measurement of internal optical pressure |
| CN1498594A (en) * | 2002-10-25 | 2004-05-26 | ������������ʽ���� | Non-contact tonometer |
| US20060241367A1 (en) * | 2005-02-16 | 2006-10-26 | Gert Koest | Ophthalmic analysis system for measuring the intraocular pressure in the eye |
| US20080086048A1 (en) * | 2006-05-26 | 2008-04-10 | The Cleveland Clinic Foundation | Method for measuring biomechanical properties in an eye |
| CN101204319A (en) * | 2007-12-17 | 2008-06-25 | 重庆大学 | Non-contact tonometery and device |
| CN101352333A (en) * | 2007-07-27 | 2009-01-28 | 株式会社拓普康 | Non-contact type tonometer |
| CN102525410A (en) * | 2010-10-28 | 2012-07-04 | 欧科路光学器械有限公司 | Illumination system and method |
| CN103169447A (en) * | 2011-12-23 | 2013-06-26 | 明达医学科技股份有限公司 | Jet intraocular pressure detection device |
-
2012
- 2012-07-20 CN CN201210253947.4A patent/CN103565407A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000070224A (en) * | 1998-08-27 | 2000-03-07 | Canon Inc | Eye examination device |
| US20020173711A1 (en) * | 2001-05-21 | 2002-11-21 | Walton Eric K. | Non-contact instrument for measurement of internal optical pressure |
| CN1498594A (en) * | 2002-10-25 | 2004-05-26 | ������������ʽ���� | Non-contact tonometer |
| US20060241367A1 (en) * | 2005-02-16 | 2006-10-26 | Gert Koest | Ophthalmic analysis system for measuring the intraocular pressure in the eye |
| US20080086048A1 (en) * | 2006-05-26 | 2008-04-10 | The Cleveland Clinic Foundation | Method for measuring biomechanical properties in an eye |
| CN101352333A (en) * | 2007-07-27 | 2009-01-28 | 株式会社拓普康 | Non-contact type tonometer |
| CN101204319A (en) * | 2007-12-17 | 2008-06-25 | 重庆大学 | Non-contact tonometery and device |
| CN102525410A (en) * | 2010-10-28 | 2012-07-04 | 欧科路光学器械有限公司 | Illumination system and method |
| CN103169447A (en) * | 2011-12-23 | 2013-06-26 | 明达医学科技股份有限公司 | Jet intraocular pressure detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103169447A (en) | Jet intraocular pressure detection device | |
| JP5340434B2 (en) | Ophthalmic apparatus, processing apparatus, ophthalmic system, processing method, ophthalmic apparatus control method, program | |
| CN102727178B (en) | Intraocular pressure detection device and detection method thereof | |
| CN203949857U (en) | Hand-held colloidal gold strip card reader | |
| TWI446250B (en) | Portable optical touch system and operating method thereof | |
| WO2020228512A1 (en) | Suspension display imaging apparatus and suspension display touch-control method | |
| TW201245761A (en) | Endoscope capable of displaying scale for determining size of image-captured object | |
| CN107095643B (en) | Non-contact tonometer detection system and its detection method based on low-coherent light interference | |
| CN108371541B (en) | Tool for detecting and calibrating ophthalmic imaging and ophthalmic biological parameter measuring instrument | |
| CN103565407A (en) | Jet eye pressure detection device | |
| CN108992034A (en) | Virtual reality eye detection system and eye detection method thereof | |
| CN107456215B (en) | Blood vessel imaging temperature measurement system and method | |
| JPS6324383B2 (en) | ||
| CN214856574U (en) | Vision detection device | |
| CN112741589B (en) | Optical device for vision detection, vision detection system and method | |
| CN214856579U (en) | Vision detection device | |
| CN104019754A (en) | Rapid capsule thickness detection device | |
| CN210141847U (en) | High-precision measuring device based on point laser | |
| CN105982639A (en) | Intraocular pressure detection device | |
| JP3137477U (en) | Light shielding hood | |
| TW201833527A (en) | Vibration detection system detecting the change in the coordinate value, the sharpness or the gray scale of the image of the feature graphic by an innovative hardware design | |
| US10151665B2 (en) | Lens meter | |
| KR20160148735A (en) | The apparatus for measuring camera principal point and the method thereof | |
| CN205538910U (en) | Modified photoelectric type liquid plastic combine tester | |
| JP5677495B2 (en) | Ophthalmic apparatus and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140212 |