CN101584573A - Interpupillary distance, optical range measuring device - Google Patents
Interpupillary distance, optical range measuring device Download PDFInfo
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- CN101584573A CN101584573A CNA2008100645434A CN200810064543A CN101584573A CN 101584573 A CN101584573 A CN 101584573A CN A2008100645434 A CNA2008100645434 A CN A2008100645434A CN 200810064543 A CN200810064543 A CN 200810064543A CN 101584573 A CN101584573 A CN 101584573A
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Abstract
A kind of interpupillary distance, optical range measuring device, the principle of institute of the present invention foundation are " sight alignment " principles when practicing shooting aiming, and the people divides although " vertical reflection " principle during own pupil at the right and left eyes of looking in the mirror." sight alignment " principle solves the interpupillary distance of surveying, sees far and sees the accuracy orientation problem of the optical axis spacing when near, overcome prior art because eyes close the participation of picture deutocerebrum fusion function, widen in the visual field that reaches little diffraction by aperture, to the influence of actual sight line apart from measurement accuracy; The optical axis was difficult to the problem of keeping parallelism when " vertical reflection " principle solved the traditional measurement interpupillary distance.Can record pupil of both eyes distance exactly and seeing far away and seeing optical axis spacing when near.Be a kind of interpupillary distance simply and easily, optical range measuring device.
Description
Technical field:
The present invention is a kind of interpupillary distance, optical range measuring device, is mainly used in ophthalmologic examination, provides technical parameter for the correct type selecting of eye diseases therapy and for preparing glasses.
Background technology:
The size of interpupillary distance directly influences the curative effect of binocular eye diseases therapy, is noticed by the ophthalmology practitioner gradually.Yet, the relevant still unmanned design of instrument of accurately measuring interpupillary distance, when its difficult point was to measure with ruler, the attention of the measured often was difficult to be placed on unlimited distance, but attention has been placed on the ruler at the moment.Owing to see the set of eyes when near, make the measurement error of interpupillary distance can reach 1 to 4 millimeter.When data are according to this selected eye diseases therapy device model and are used, because it is too small that interpupillary distance is selected, see that all luminous viewpoints all need finish under the set condition, be equivalent to when using instrument constantly all see near, to such an extent as to the number of degrees of user myopia are further improved.This is to occur user often on the net to query to use the basic reason that behind the therapeutic instrument for shortsightedness the near-sighted number of degrees is further improved why.
The accurate mensuration of sight line distance is the requisite technical parameter of accurate preparation to near-sighted glasses, presbyopic glasses, particularly progressive mirror.Sight line has report apart from the instrument of mensuration, yet because eyes close the participation of picture deutocerebrum fusion function, widen in the visual field that reaches little diffraction by aperture, will influence actual sight line apart from the accuracy of measuring.
Visitor in the invention:
In order to overcome existing interpupillary distance, optical range measurement method, can not measure the interpupillary distance of eyes exactly and seeing far away or seeing the deficiency of binocular visual axis spacing when near, the invention provides a kind of interpupillary distance simply and easily, optical range measuring device, can record pupil of both eyes distance exactly and seeing far away and seeing optical axis spacing when near.
Described interpupillary distance, optical range measuring device are made of four functional parts such as form, measurement and positioning sighting target, scale, reflex reflector lens.
Described form can be the haplopia window, also double vision window so as to make the measurement and positioning sighting target and the pupil that from illuminator, reflects high-visible.
Described measurement and positioning sighting target can be made up of two the same trianglees of identical gun foresight, also forms by two fine rules, two round dots, and be that polarization is well high-visible again in the aiming process of " sight alignment " so that make the measurement and positioning sighting target.
Described measurement and positioning sighting target is characterized in that, the scope that two measurement and positioning sighting targets move is 45～75 millimeters.
Described scale is characterized in that, a relative fixed in scale and two the measurement and positioning sighting targets, and the lengthwise position of the measurement and positioning sighting target of choosing and the lengthwise position of zero point of scale coincide.
Described reflex reflector lens is characterized in that the plane of reflex reflector lens should parallel with the line of two measurement and positioning sighting targets, and parallels with the line of measured's two corneas as far as possible.
Described interpupillary distance, optical range measuring device can be prepared into vernier ruler shape, more can make shape of glasses;
When selecting vernier ruler shape, finish by the slip between main scale and secondary chi apart from localized adjustment between distance location and/or two forms between two measurement and positioning sighting targets.
When selecting shape of glasses, finish by the knob of rotation glasses top apart from localized adjustment between distance location and/or two forms between two measurement and positioning sighting targets.
Comparable advantage:
A kind of interpupillary distance, optical range measuring device, the principle of institute of the present invention foundation are " sight alignment " principles when practicing shooting aiming, and the people divides although " vertical reflection " principle during own pupil at the right and left eyes of looking in the mirror." sight alignment " principle solves the interpupillary distance of surveying, sees far and sees the accuracy orientation problem of the optical axis spacing when near, overcome prior art because eyes close the participation of picture deutocerebrum fusion function, widen in the visual field that reaches little diffraction by aperture, to the influence of actual sight line apart from measurement accuracy; The optical axis was difficult to the problem of keeping parallelism when " vertical reflection " principle solved the traditional measurement interpupillary distance.Can record pupil of both eyes distance exactly and seeing far away and seeing optical axis spacing when near.Be a kind of interpupillary distance simply and easily, optical range measuring device,
Description of drawings:
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1,2,3,4 is structural representation of the present invention;
Fig. 5 measures the interpupillary distance sketch map for the present invention;
Fig. 6 sees far away for the present invention's measurement and sees that short sight is apart from sketch map;
Among the figure: the 1-main scale; The secondary chi of 2-; The 3-form; The scale that 4-links to each other with a measurement and positioning sighting target; Distance is adjusted knob between two measurement and positioning sighting targets of 5-; 6-can adjust the sighting target carrier of distance between two measurement and positioning sighting targets; A, B-measurement and positioning sighting target; C, D-are the pupil center of left and right sides eyes; A ', B '-measurement and positioning sighting target imaging in illuminator; C ', D '-be pupil imaging in illuminator of left and right sides eyes; 0-is a target far away; N-is a close-target.
The specific embodiment:
In Fig. 1,2, vernier ruler type interpupillary distance of the present invention, optical range measuring device are made of main scale, secondary chi, form, measurement and positioning sighting target, scale, are finished by the slip between main scale and secondary chi apart from localized adjustment between distance location and/or two forms between two measurement and positioning sighting targets.
In Fig. 3,4, the interpupillary distance of glasses type of the present invention, optical range measuring device by distance between frame, form, measurement and positioning sighting target, scale, two measurement and positioning sighting targets adjust knob, the sighting target carrier that can adjust distance between two measurement and positioning sighting targets constituted, between two measurement and positioning sighting targets between distance location and/or two forms the localized adjustment of distance finish by the knob above the rotation glasses.
In Fig. 5, when eyes (C, D) are watched target in the illuminator (C ', D ') respectively attentively, the person under inspection can see respectively that A, A ', C ' and B, B ', D ' are isolating, and sliding pair chi 2 or adjustment knob 5 make coinciding of A, A ', C ' and B, B ', D ' " sight alignment " respectively.At this moment, the scale reading on the pairing scale 4 of measurement and positioning sighting target B is person under inspection's a interpupillary distance.
In Fig. 6, when eyes (C, D) are watched attentively when seeing target far away (O) (about 5 meters distant places), the person under inspection can see that measurement and positioning sighting target (A, B) is isolating, and sliding pair chi 2 or adjustment knob 5 overlap two measurement and positioning sighting targets (A, B) of watching attentively when seeing target far away (O) (about 5 meters distant places).At this moment, reuse eyes (C, D) are watched attentively respectively and are seen target far away (O), and promptly C, A, O and D, B, the O of pupil, measurement and positioning sighting target, target far away should be coinciding of " sight alignment ".If it is asynchronous that two measurement and positionings overlap, be that pupil, measurement and positioning sighting target, C, A, O and the D of target far away, the coincidence of B, O are as the criterion with the latter.At this moment, read the hypermetropia line-spacing that number of division on the scale 4 is the person under inspection;
According to method when person under inspection's eyes (C, D) are seen close-target (N), sliding pair chi 2 or adjust knob 5 two measurement and positioning sighting targets (A, B) of watching attentively when seeing close-target (N) (about 0.25 meter, 0.33 meter or 0.5 meter distant place) are overlapped.At this moment, reuse eyes (C, D) are watched attentively respectively and are seen close-target (N), and promptly C, A, O and the D of pupil, measurement and positioning sighting target, close-target, B, O should be coinciding of " sight alignment ".If two coincidences are asynchronous, be that the coincidence of pupil, measurement and positioning sighting target, close-target C, A, O and D, B, O is as the criterion with the latter.At this moment, read the short sight distance that number of division on the scale 4 is the person under inspection.
This measuring method is more suitable for the adjustment of eye refraction system based on " sight alignment " principle.Produce deviation if close the binocular single vision effect that produces as principle with eyes, can be guaranteeing under the correct prerequisite of dioptric system, by neural adjustment, can produce " eyes close the binocular single vision effect that produces as principle " in half day.
Claims (9)
1, a kind of interpupillary distance, optical range measuring device is characterized in that, interpupillary distance, optical range measuring device are made of four functional parts such as form, measurement and positioning sighting target, scale, reflex reflector lens.
2, form according to claim 1 is characterized in that, form can be the haplopia window, also double vision window so as to make the measurement and positioning sighting target and the pupil that from illuminator, reflects high-visible.
3, measurement and positioning sighting target according to claim 1, it is characterized in that, the measurement and positioning sighting target can be made up of two the same trianglees of identical gun foresight, also being made up of two fine rules, two round dots, is that polarization is well high-visible again in the aiming process of " sight alignment " so that make the measurement and positioning sighting target.
4, according to claim 1,3 described measurement and positioning sighting targets, it is characterized in that the scope that two measurement and positioning sighting targets move is 45～75 millimeters.
5, scale according to claim 1 is characterized in that, a relative fixed in scale and two the measurement and positioning sighting targets, and the lengthwise position of the measurement and positioning sighting target of choosing and the lengthwise position of zero point of scale coincide.
6, reflex reflector lens according to claim 1 is characterized in that, the plane of reflex reflector lens should parallel with the line of two measurement and positioning sighting targets, and parallels with the line of measured's two corneas as far as possible.
7, interpupillary distance according to claim 1, optical range measuring device is characterized in that, interpupillary distance, optical range measuring device can be prepared into vernier ruler shape, more can make shape of glasses.
8, according to claim 1,7 described interpupillary distances, optical range measuring device, it is characterized in that, when interpupillary distance, optical range measuring device are selected vernier ruler shape, finish by the slip between main scale and secondary chi apart from localized adjustment between distance location and/or two forms between two measurement and positioning sighting targets.
9, according to claim 1,7 described interpupillary distances, optical range measuring device, it is characterized in that, when interpupillary distance, when the optical range measuring device is selected shape of glasses, finish by the knob of rotation glasses top apart from localized adjustment between distance location and/or two forms between two measurement and positioning sighting targets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100645434A CN101584573A (en) | 2008-05-20 | 2008-05-20 | Interpupillary distance, optical range measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100645434A CN101584573A (en) | 2008-05-20 | 2008-05-20 | Interpupillary distance, optical range measuring device |
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| CN101584573A true CN101584573A (en) | 2009-11-25 |
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| CNA2008100645434A Pending CN101584573A (en) | 2008-05-20 | 2008-05-20 | Interpupillary distance, optical range measuring device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102188248A (en) * | 2010-12-10 | 2011-09-21 | 余勇波 | Measuring and matching instrument and method for glasses |
| CN104873168A (en) * | 2015-06-18 | 2015-09-02 | 张仕郎 | Pupil distance measurement device and method |
| CN109446892A (en) * | 2018-09-14 | 2019-03-08 | 杭州宇泛智能科技有限公司 | Human eye notice positioning method and system based on deep neural network |
| CN110338859A (en) * | 2019-07-12 | 2019-10-18 | 张国明 | A kind of multi-functional ophthalmic hook |
| CN110833390A (en) * | 2019-11-28 | 2020-02-25 | 歌尔科技有限公司 | Interpupillary distance self-test equipment |
| CN112716444A (en) * | 2020-12-23 | 2021-04-30 | 温州医科大学附属眼视光医院 | Quick pupil distance measuring device |
-
2008
- 2008-05-20 CN CNA2008100645434A patent/CN101584573A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102188248A (en) * | 2010-12-10 | 2011-09-21 | 余勇波 | Measuring and matching instrument and method for glasses |
| CN102188248B (en) * | 2010-12-10 | 2013-09-18 | 余勇波 | Measuring and matching instrument and method for glasses |
| CN104873168A (en) * | 2015-06-18 | 2015-09-02 | 张仕郎 | Pupil distance measurement device and method |
| CN109446892A (en) * | 2018-09-14 | 2019-03-08 | 杭州宇泛智能科技有限公司 | Human eye notice positioning method and system based on deep neural network |
| CN109446892B (en) * | 2018-09-14 | 2023-03-24 | 杭州宇泛智能科技有限公司 | Human eye attention positioning method and system based on deep neural network |
| CN110338859A (en) * | 2019-07-12 | 2019-10-18 | 张国明 | A kind of multi-functional ophthalmic hook |
| CN110833390A (en) * | 2019-11-28 | 2020-02-25 | 歌尔科技有限公司 | Interpupillary distance self-test equipment |
| CN112716444A (en) * | 2020-12-23 | 2021-04-30 | 温州医科大学附属眼视光医院 | Quick pupil distance measuring device |
| CN112716444B (en) * | 2020-12-23 | 2022-12-20 | 温州医科大学附属眼视光医院 | Quick pupil distance measuring device |
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Open date: 20091125 |