CN1548003A - Quick eyesight test instrument - Google Patents
Quick eyesight test instrument Download PDFInfo
- Publication number
- CN1548003A CN1548003A CNA031311296A CN03131129A CN1548003A CN 1548003 A CN1548003 A CN 1548003A CN A031311296 A CNA031311296 A CN A031311296A CN 03131129 A CN03131129 A CN 03131129A CN 1548003 A CN1548003 A CN 1548003A
- Authority
- CN
- China
- Prior art keywords
- lens
- camera
- digital camera
- vision
- present
- 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
The quick eyesight test instrument includes one digital camera with one regulating lens before its focusing lens, one flash lighting assembly and one pattern generating assembly, one microcomputer connected to the digital camera via data lines. The regulating lens is provided with one asymmetrical spherical detection lens. The present invention has ism first, simple operation and fast and accurate diagnosis.
Description
Technical field
The present invention relates to a kind of vision quick diagnosis instrument, this diagnostic apparatus relies on one to regulate the cornea information that camera lens can photograph the patient, according to this information quick diagnosis patient's vision.
Technical background
Chinese patent ZL92107617.7 discloses a kind of infant eyesight test instrument, this tester comprises light source, the screen with different big or small labels, lens, spectroscope and surveillance, a branch of light that this spectroscope is told directly enters surveillance after 180 ℃ of corner cube prism turnovers, another bundle enters the tested eye imaging, enters surveillance through the spectroscope reflection again.Whether the present invention utilizes label motion on the driven by motor screen, be synchronized with the movement by surveillance observation label and tested eyes, thereby judge vision.Though the present invention can be used for the infant eyesight test,, it is also complicated that this system constitutes the operation of more complicated, system, and operating needs infant to cooperate the long time, implement and acquire a certain degree of difficulty, and only effective to amblyopia, and can't detect stravismus.Therefore, need to propose a kind of novel vision quick diagnosis instrument.
Summary of the invention
The object of the present invention is to provide a kind of vision quick diagnosis instrument, this vision quick diagnosis instrument can be in the extremely short time vision situation of fast detecting infant, comprising amblyopia, stravismus and ametropia (being hypermetropia, myopia and astigmatism).
The objective of the invention is to realize: a kind of vision quick diagnosis instrument by following technical proposals, its main points are: a digital camera is arranged, be provided with one before the aggregation lens of this camera and regulate camera lens, this camera is provided with a flash illumination assembly and a pattern generating assembly, described digital camera is connected with a microcomputer by data wire, and it is an asymmetric spherical lens that this eyeglass of detection eyeglass is installed on the described adjusting camera lens.
When the present invention is used for the vision detection, shooting distance is set in 5 meters, shooting environmental is the environment of red illumination preferably, at first open the pattern generating assembly, demonstrate the pattern that can attract child attention on this assembly, will regulate camera lens and be set in 0 ℃ of position, start shutter release button then, the flash illumination assembly sends the illuminating ray that shooting needs, and shutter starts, and shoots the eyes photo of 0 ℃ of position; To regulate 90 ℃ of rotation of lens, repeat above-mentioned shooting process, shoot the eyes photo of 90 ℃ of positions; Vision detects and finishes.According to the photo of two groups of eyes, the data information of reference standard is put up with the diagnostic result that can draw vision.
The present invention compared with prior art has following advantage:
1, since the detection that the photo that the present invention only takes a width of cloth patient's eye just can be finished hypermetropia, myopia and look side ways take the photo of two width of cloth patient's eyes and just can finish scattered-light detection, therefore, have easy, advantage fast.
2, because the present invention adopts digital camera and microcomputer organic assembling, can carry out technical Analysis to data rapidly and accurately again by the quick storage photo data, make diagnostic result, therefore, have the characteristics fast and accurately of diagnosing.
3, the present invention have simple in structure, advantages of simple operation.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples
Fig. 1, structural representation of the present invention
Fig. 2, adjusting camera lens front view of the present invention
Fig. 3, detection eyeglass cutaway view of the present invention (the A-A profile of Fig. 2)
Fig. 4, detection eyeglass cutaway view of the present invention (the B-B profile of Fig. 2)
Two structural representations of Fig. 5, embodiments of the invention
Fig. 6,0 ℃ of shooting effect sketch map of the present invention
Fig. 7,90 ℃ of shooting effect sketch maps of the present invention
The specific embodiment
Referring to Fig. 1, Fig. 2, vision quick diagnosis instrument of the present invention has a digital camera 1, and this camera should have the above resolution of 200 everything elements, and has hot shoe and high magnification zoom lens; Before the aggregation lens 4 of this camera, be provided with one and regulate camera lens 5, this camera is provided with a flash illumination assembly 3 and a pattern generating assembly 2, described digital camera is connected 6 by data wire with a microcomputer, be equipped with one on the described adjusting camera lens and detect eyeglass 501, this eyeglass is an asymmetric spherical lens, and the optical axis of this eyeglass is not on its geometric center.In the present embodiment, described flash illumination assembly and digital camera are installed needs to guarantee certain angle, and this angle can guarantee that its light of injecting pupil and the light included angle A that goes out from fundus reflex are as much as possible little, generally should remain on about 0.5 ℃.
In the present embodiment, described adjusting camera lens and described aggregation lens can adopt the screw thread mounting means to install, and also can adopt the snap ring mode to install; The flash illumination assembly adopts the flash lamp of low guide number; The pattern generating assembly can adopt dual mode, referring to Fig. 1 and Fig. 2, this pattern generating assembly is made of luminous two pipes of a plurality of different colours, this light emitting diode is embedded in to be regulated on the lens body and along its circumference uniform distribution, can be luminous in turn successively after the startup, thus, attract detected patient's attention, shoot ideal cornea photo.
Referring to Fig. 5, second embodiment of the present invention, in this embodiment, described pattern generating assembly is a LED display 201, this display screen is connected with described microcomputer, this display screen is installed in the digital camera top, and the multiple animation patterns that is provided by computer can be provided, to attract the attention of child patient.
Referring to Fig. 2, Fig. 3, Fig. 4, the used adjusting camera lens of present embodiment is made of lens body 502 and detection eyeglass 501, the front end of this lens body can be designed to a view-finder 503 that opening is less, so that only take the patient's eye position, reduces unnecessary quantity of information.Fig. 3 and Fig. 4 have respectively shown a section shape of eyeglass, and the variation of this eyeglass curvature is not symmetric, are non-symmetroid eyeglasses, and the optical axis of this eyeglass is not on its geometric center.
For the ease of attracting the child, also be provided with the music generating assembly on the described digital camera, attract child's attention by sound and pattern, so that reach ideal testing goal.This music generating assembly is common commercially available prod, is not described further at this.
When the present invention was used for the vision detection, shooting distance was set in 5 meters, and can be 3 meters can also be 2 meters, and shooting environmental is the environment of red illumination preferably, and the pupil aperture of patient's eye is bigger under this environment.At first open the pattern generating assembly, demonstrate the pattern that can attract the child on this assembly, will regulate camera lens and be set in 0 ℃ of position, start shutter release button then, the flash illumination assembly sends the illuminating ray that shooting needs, and shutter starts, and shoots the eyes photo of 0 ℃ of position.In this shooting process, illuminating ray directive patient's eyes 7, light passes pupil and enters the optical fundus, is returned by fundus reflex, and form a round dot hot spot on cornea.If detected eyes are eyes of normal person, this hot spot is a periphery circular pattern clearly, and there is a bright spot at its center; If detected eyes suffer from hypermetropia, myopia, astigmatism and stravismus symptom, multiple change will appear in this hot spot, and a kind of variation is that periphery is smudgy; Second kind of variation is that hot spot is bigger; The third variation be facula position not on CC, but off-center, it is big that the bright spot at its center also will become; The 4th kind of variation is also with the hot spot that other shapes occur around the round dot hot spot.This variation will be recorded on the photo of shooting.To regulate 90 ℃ of rotation of lens, repeat above-mentioned shooting process, shoot the eyes photo of 90 ℃ of positions; Vision detects and finishes.According to the photo of two groups of eyes, the data information of reference standard is put up with the diagnostic result that can draw vision.
Referring to Fig. 6, when regulating camera lens and be set in 0 ℃ of position, the reflection video of patient's eye cornea as can be seen, below pupil, be one crescent.
Referring to Fig. 7, when the adjusting camera lens was set in 90 ℃ of positions, variation had taken place in the reflection video of patient's eye cornea as can be seen, and half moon-shaped reflection video moves to the pupil right side, thus, can diagnose out this child's eyes to suffer from astigmatism.
Claims (3)
1, a kind of vision quick diagnosis instrument, it is characterized in that: a digital camera (1) is arranged, be provided with one before the aggregation lens of this camera and regulate camera lens (5), this camera is provided with a flash illumination assembly (3) and a pattern generating assembly (2), described digital camera is connected (6) by data wire with a microcomputer, and it is an asymmetric spherical lens that this eyeglass of detection eyeglass (501) is installed on the described adjusting camera lens.
2, vision quick diagnosis instrument according to claim 1, it is characterized in that: described pattern generating assembly is a LED display, this display screen is connected with described microcomputer.
3, vision quick diagnosis instrument according to claim 1, it is characterized in that: described digital camera is provided with the music generating assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031311296A CN1548003A (en) | 2003-05-13 | 2003-05-13 | Quick eyesight test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031311296A CN1548003A (en) | 2003-05-13 | 2003-05-13 | Quick eyesight test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1548003A true CN1548003A (en) | 2004-11-24 |
Family
ID=34322793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031311296A Pending CN1548003A (en) | 2003-05-13 | 2003-05-13 | Quick eyesight test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1548003A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105326471B (en) * | 2014-07-31 | 2018-05-22 | 汉王科技股份有限公司 | Infant eyesight test device |
| CN112890760A (en) * | 2021-01-15 | 2021-06-04 | 中国人民解放军陆军军医大学第一附属医院 | Eye test auxiliary device |
-
2003
- 2003-05-13 CN CNA031311296A patent/CN1548003A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105326471B (en) * | 2014-07-31 | 2018-05-22 | 汉王科技股份有限公司 | Infant eyesight test device |
| CN112890760A (en) * | 2021-01-15 | 2021-06-04 | 中国人民解放军陆军军医大学第一附属医院 | Eye test auxiliary device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7425068B2 (en) | Method for operating an ophthalmological analysis system | |
| CN103315706B (en) | Gaze-fixation assisting and imaging focusing device | |
| US7309128B2 (en) | Automated stereocampimeter and related method for improved measurement of the visual field | |
| US8014571B2 (en) | Multimodal ocular biometric system | |
| CN103491859B (en) | fundus camera system and method | |
| CN1810202A (en) | Ophthalmic apparatus | |
| CN1725976A (en) | Method and installation for detecting and following an eye and the gaze direction thereof | |
| US6663242B1 (en) | Simultaneous, wavelength multiplexed vision screener | |
| US5502520A (en) | Method and apparatus for detecting eye disorders | |
| CN103876705B (en) | Vision tester | |
| CN109964230A (en) | Method and apparatus for eyes measurement acquisition | |
| CN201044743Y (en) | Apparatus for imaging and shooting human eye dioptric system | |
| JPH02150202A (en) | Apparatus for taking up image of eyeball movement using target | |
| CN209377545U (en) | A kind of intelligence optometry unit | |
| EP0662630B1 (en) | Optical apparatus with eyepiece | |
| WO2008147914A2 (en) | Binocular indirect ophthalmoscope fixation light | |
| CN103371799B (en) | Fundus detection device for assisting gaze fixation and focusing | |
| CN2618558Y (en) | Sight quick diagnostic instrument | |
| CN1548003A (en) | Quick eyesight test instrument | |
| US8061839B2 (en) | Device and method for vision test | |
| CN110025288A (en) | A kind of Portable Automatic focusing eyeground imaging system | |
| JPH07178057A (en) | Ophthalmology system | |
| ES2318035T3 (en) | SYSTEM FOR OBTAINING WITHOUT CONTACT OF IMAGES OF THE CORNEA. | |
| KR100362484B1 (en) | The iris image acquisition method and device using fixed focus camera | |
| CN1034711C (en) | Infant eyesight test instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Xiaoying Document name: Notice of first review |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |