CN201239136Y - Multifunctional rule for measuring pupillary distance - Google Patents
Multifunctional rule for measuring pupillary distance Download PDFInfo
- Publication number
- CN201239136Y CN201239136Y CNU200820072091XU CN200820072091U CN201239136Y CN 201239136 Y CN201239136 Y CN 201239136Y CN U200820072091X U CNU200820072091X U CN U200820072091XU CN 200820072091 U CN200820072091 U CN 200820072091U CN 201239136 Y CN201239136 Y CN 201239136Y
- Authority
- CN
- China
- Prior art keywords
- interpupillary distance
- vernier
- scale
- center
- ruler
- 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.)
- Expired - Fee Related
Links
- 230000001179 pupillary effect Effects 0.000 title 1
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 210000003141 lower extremity Anatomy 0.000 claims description 3
- 210000001364 upper extremity Anatomy 0.000 claims description 3
- 210000001747 pupil Anatomy 0.000 description 17
- 208000029091 Refraction disease Diseases 0.000 description 5
- 230000004430 ametropia Effects 0.000 description 5
- 210000004087 cornea Anatomy 0.000 description 5
- 208000014733 refractive error Diseases 0.000 description 5
- 210000000162 simple eye Anatomy 0.000 description 5
- 230000002459 sustained effect Effects 0.000 description 4
- 208000004350 Strabismus Diseases 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 210000003811 finger Anatomy 0.000 description 2
- 210000005224 forefinger Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 208000001692 Esotropia Diseases 0.000 description 1
- 201000005538 Exotropia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002189 macula lutea Anatomy 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 238000001028 reflection method Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Images
Landscapes
- Eye Examination Apparatus (AREA)
Abstract
The utility model discloses a multifunctional interpupillary distance measuring scale which is formed by adopting an oblong straight scale (1) as a basic component, wherein one end of the straight scale is provided with a hand-hold handle (2) on which a power switch (3) is arranged, the upper part of the other end of the straight scale is provided with a telescopic link (4) which can adopt one end of the straight scale as a center to rotate corresponding to the straight scale, and the top end of the straight scale is provided with an indicator bulb (6) communicated with a power supply on the hand-hold handle (2); the middle of the lower edge of the straight scale (1) is provided with a subtriangular gap (7), a view-finder (9) is arranged on the center of a panel of the straight scale (1), a vernier (13) which can be leftwards and rightwards moved is arranged on the center of the view-finder (9), and a transparent vernier scale (12) is perpendicular to and fixed on the center of the vernier (13). The interpupillary distance measuring scale has simple structure and accurate and quick measurement and is economical and practical.
Description
Technical field
This utility model relates to a kind of optometry and joins the instrument of measuring interpupillary distance before the mirror, especially a kind ofly can accurately measure stravismus, the both sides pupil differs in size, highly ametropia, child cooperate not good enough person's interpupillary distance multi-functional interpupillary distance rule.Simultaneously, this dip stick also possesses the function of measuring the kappa angle.
Background technology
At present, common interpupillary distance survey tool has interpupillary distance measuring instrument, rafractive, interpupillary distance to measure meter ruler etc.Differ in size when the patient suffers from stravismus, both sides pupil, during disease such as the both sides pupil is asymmetric, height ametropia, measure interpupillary distance if use interpupillary distance measuring instrument, rafractive as the patient, if error appears in examinee's stravismus or the relatively poor sighting target admittedly of vision easily during measurement; In addition, when using the interpupillary distance measuring instrument to carry out the interpupillary distance measurement,, cause the interpupillary distance measuring instrument can not well aim at the center of the measured bridge of the nose because the distance very near (in the 25cm) of optometrist and the measured has influenced the judgement of optometrist to the position.If use common ruler to measure interpupillary distance, can occur measuring near bigger with the interpupillary distance time error.The interpupillary distance measured value is inaccurate and cause into the error of mirror interpupillary distance, causes wearing discomfort, causes the prism effect.
Summary of the invention
Can not measure accurately in order to overcome existing interpupillary distance survey tool that stravismus, both sides pupil differ in size, height ametropia, child cooperate not good enough person's interpupillary distance, the purpose of this utility model is that a kind of multi-functional interpupillary distance rule (hereinafter to be referred as the interpupillary distance chi) will be provided, this interpupillary distance chi can not only be measured the interpupillary distance of normally watching the patient attentively, and can measure accurately that stravismus, both sides pupil differ in size, height ametropia, child cooperate not good enough person's interpupillary distance.Simultaneously, also possesses the function of measuring the kappa angle.
The technical scheme that this utility model adopted is: this multi-functional interpupillary distance rule is to be had centimetre being that the rectangle ruler of the graduation mark of unit is that basic components constitute by a upper limb, end at it has a hand-held handle, on the hand-held handle on and off switch is arranged; One expansion link is arranged at other end top, this expansion link can stretch, and can be that rotate with respect to ruler at the center with an end of rectangle ruler, have on the expansion link centimetre being the graduation mark of measurement unit, there is a pilot bulb on the top, and this pilot bulb is connected with power supply on the hand-held handle; Have a subtriangular breach in the lower edge middle part of rectangle ruler, it is the bridge of the nose scale label line of measurement unit that these breach both sides have respectively with the millimeter, there is a form in central authorities at rectangle ruler panel, to have respectively with the millimeter be the graduation mark of measurement unit to lower limb on the form, form central authorities have one can move left and right vernier, a plurality of grids are arranged on the vernier, be painted with ⊙ in the grid, Fructus Mali pumilae, key, chair, plurality of picture such as cubic block, with the ⊙ picture is the central authorities that benchmark is located at picture, is fixed with a transparent vernier cursor in the central vertical of vernier in vernier.
The beneficial effects of the utility model are: have the structure that expansion link, light are auxiliary, vernier cooperates because this utility model has adopted on ruler, for when normally watching the patient attentively and measure interpupillary distance, can also use the cornea optical reflection method, accurately measurement stravismus, both sides pupil differ in size, highly ametropia, child cooperate not good enough person's interpupillary distance; Can also use simultaneously transparent vernier to measure the Kappa angle.This interpupillary distance chi is simple in structure, economical and practical, and it is accurate, quick to measure.
Description of drawings
Fig. 1 is multi-functional interpupillary distance rule planar structure sketch map.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further specified.
This multi-functional interpupillary distance rule is to be had centimetre being that the rectangle ruler 1 of the graduation mark of unit is that basic components constitute by a upper limb, has a hand-held handle 2 at its end, on the hand-held handle 2 on and off switch 3 is arranged; One expansion link 4 is arranged at other end top, this expansion link 4 can stretch, and can be that rotate with respect to ruler 1 at the center with major axis 5, has on the expansion link 4 centimetre being the graduation mark of measurement unit, there is a pilot bulb 6 on the top, and this pilot bulb 6 is connected with power supply on the hand-held handle 2; Have a subtriangular breach 7 in the lower edge middle part of rectangle ruler 1, it is the bridge of the nose scale label line 8 of measurement unit that these breach 7 both sides have respectively with the millimeter, there is a form 9 in 1 panel central authorities at the rectangle ruler, to have respectively with the millimeter be the graduation mark 10 of measurement unit to lower limb on the form 9, form 9 central authorities have one can move left and right vernier 13, a plurality of grids are arranged on the vernier, be painted with ⊙ in the grid, Fructus Mali pumilae, key, chair, plurality of picture such as cubic block 11, with the ⊙ picture is the central authorities that benchmark is located at picture, is fixed with a transparent vernier cursor 12 in the central vertical of vernier in vernier.
1, far away from (near using) interpupillary distance measurement.Be under the normal physiological state in two eye pupil holes, the common measuring method of far away using (near using) interpupillary distance that adopts is measured.
1. examiner and patient be separated by 40cm distance just in the face of the seat, make two people's sight line remain on sustained height.
2. the examiner holds the interpupillary distance chi with right hand thumb and forefinger, and all the other fingers lean against on patient's the cheek, and the vee 7 with interpupillary distance chi lower end is stuck in the measured bridge of the nose minimum point place then, and along bridge of the nose angle slightly inclined.
3. turn on the power switch 3.Far away with interpupillary distance or closely use the requirement of interpupillary distance according to measuring, with expansion link 4 adjust to gaze distance numerical value (centimetre), the redness of advising the patient to watch attentively on the expansion link is looked lamp 6 admittedly.
4. measure interpupillary distance.The examiner observes reflection bright spot on patient's pupil of both eyes by interpupillary distance chi viewfinder area 9.Read the numerical value that viewfinder area scale 10 aligns with two corneal reflex bright spot.From the distance between bridge of the nose center to the pupil of right eye center, represent the right eye interpupillary distance; From the distance between bridge of the nose center to the pupil of left eye center, represent the left eye interpupillary distance.Both are interpupillary distance at sum.
2, the interpupillary distance of squinting eye is measured.When the examiner measures interpupillary distance for the stravismus patient, need to measure simple eye interpupillary distance.
When 1. measuring simple eye interpupillary distance, repeat far away with (near with) interpupillary distance measuring process 1. 2. 3..
Hide patient's left eye when 2. measuring right eye, advise patient's right eye to watch dead ahead attentively and look lamp source 6 admittedly, the examiner aims at patient's bridge of the nose center with " zero-bit " of viewfinder area interpupillary distance chi 10, reads the viewfinder area numerical value of cornea of right eye reflection bright spot alignment, is the right eye interpupillary distance; In like manner measure the left eye interpupillary distance.Both sums are patient's interpupillary distance.
3, the measurement of simple eye interpupillary distance.When patient's bridge of the nose obviously departs from center line, need carry out the measurement of simple eye interpupillary distance.
1. examiner and patient be separated by 40cm distance just in the face of the seat, make two people's sight line remain on sustained height.
2. turn on the power switch 3.Far away with interpupillary distance or closely use the requirement of interpupillary distance according to measuring, with expansion link 4 adjust to gaze distance numerical value (centimetre), the redness of advising the patient to watch attentively on the expansion link is looked lamp 6 admittedly.
3. the examiner should use the straight scale 1 on the interpupillary distance chi to measure interpupillary distance, and the zero-bit of straight scale is aimed at the cornea reflective spot of patient pupil center, reads the numerical value of straight scale at the center line of the inclined to one side bridge of the nose simultaneously, to obtain simple eye interpupillary distance.
The measurement of interpupillary distance when 4, two pupils differ in size.
1. examiner and patient be separated by 40cm distance just in the face of the seat, make two people's sight line remain on sustained height.
2. turn on the power switch 3.Far away with interpupillary distance or closely use the requirement of interpupillary distance according to measuring, with expansion link 4 adjust to gaze distance numerical value (centimetre), the redness of advising the patient to watch attentively on the expansion link is looked lamp 6 admittedly.
3. the examiner can use the straight scale of interpupillary distance chi to measure, and measures the distance of right pupil inner edge to left pupil outer rim distance and right pupil outer rim and left pupil inner edge respectively, the meansigma methods of getting twice reading then.Be patient's interpupillary distance.
5, the measurement at Kappa angle.The Kappa angle is the angle between the optical axis (node that binding is watched attentively and the line of macula lutea) and the pupil axle (by the line of pupil center perpendicular to cornea).Is positive Kappa angle as reflection light point when pupil center's nasal side, shows as the exotropia; As when pupil center's temporo side for negative Kappa angle, show as esotropia.
1. examiner and patient just in the face of seat, make two people's sight line remain on sustained height.
2. the examiner holds the interpupillary distance chi with right hand thumb and forefinger, and all the other fingers lean against on patient's the cheek, and the vee 7 with interpupillary distance chi lower end is stuck in the measured bridge of the nose minimum point place then, and along bridge of the nose angle slightly inclined.
3. turn on the power switch 3.Far away with interpupillary distance or closely use the requirement of interpupillary distance according to measuring, with expansion link 4 adjust to gaze distance numerical value (centimetre), the redness of advising the patient to watch attentively on the expansion link is looked lamp admittedly.
When 4. measuring the Kappa angle, advise eye of patient to watch the pattern on the grid successively attentively and say pattern 11 titles, till this cornea optical reflection point was positioned at pupil central authorities exactly, at this time the degree of skewness of the pattern correspondence on the grid of eye gaze was the number of degrees (the every deflection 1mm of laurence strabismus ruler is equivalent to 5 degree stravismus) at Kappa angle.
Claims (1)
1, a kind of multi-functional interpupillary distance rule, it is to be had centimetre being that the rectangle ruler (1) of the graduation mark of unit is that basic components constitute by a upper limb, it is characterized in that: the end at it has a hand-held handle (2), on the hand-held handle (2) on and off switch (3) is arranged; One expansion link (4) is arranged at other end top, this expansion link (4) can stretch, and can be that rotate with respect to ruler (1) at the center with an end of rectangle ruler (1), have on the expansion link (4) centimetre being the graduation mark of measurement unit, there is a pilot bulb (6) on the top, and this pilot bulb (6) is connected with power supply on the hand-held handle (2); Have a subtriangular breach (7) in the lower edge middle part of rectangle ruler (1), it is the bridge of the nose scale label line (8) of measurement unit that this breach (7) both sides have respectively with the millimeter, there is a form (9) in panel central authorities at rectangle ruler (1), it is the graduation mark (10) of measurement unit that the last lower limb of form (9) has respectively with the millimeter, form (9) central authorities have one can move left and right vernier (13), vernier has a plurality of grids on (13), be painted with ⊙ in the grid, Fructus Mali pumilae, key, chair, plurality of picture such as cubic block (11), with the ⊙ picture is the central authorities that benchmark is located at picture, is fixed with a transparent vernier cursor (12) in the central vertical of vernier (13) in vernier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820072091XU CN201239136Y (en) | 2008-06-29 | 2008-06-29 | Multifunctional rule for measuring pupillary distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820072091XU CN201239136Y (en) | 2008-06-29 | 2008-06-29 | Multifunctional rule for measuring pupillary distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201239136Y true CN201239136Y (en) | 2009-05-20 |
Family
ID=40712421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820072091XU Expired - Fee Related CN201239136Y (en) | 2008-06-29 | 2008-06-29 | Multifunctional rule for measuring pupillary distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201239136Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783754A (en) * | 2015-05-05 | 2015-07-22 | 于淑娟 | Multi-functional ophthalmic inspecting device |
-
2008
- 2008-06-29 CN CNU200820072091XU patent/CN201239136Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783754A (en) * | 2015-05-05 | 2015-07-22 | 于淑娟 | Multi-functional ophthalmic inspecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102148345B1 (en) | Device and method for measuring objective ocular refraction and at least one geometric-morphological parameter of an individual | |
| US4252419A (en) | Ophthalmic measuring instrument | |
| CN102961119B (en) | Centrometer | |
| US5691799A (en) | Method and apparatus for measuring vertical and horizontal pupillary decentration | |
| US1794571A (en) | Trial frame | |
| WO2010091065A1 (en) | Pupillary measuring device | |
| US5036592A (en) | Determining and marking apparatus and method for use in optometry and ophthalmology | |
| CA2794611C (en) | Device and method for calibrating retinoscopes | |
| CN211094008U (en) | Spectacle testing and assembling measuring frame | |
| CN201239136Y (en) | Multifunctional rule for measuring pupillary distance | |
| CN207429095U (en) | A kind of self-service interpupillary distance self-operated measuring unit | |
| US4190331A (en) | Ophthalmic measuring instrument with angle measuring means | |
| US4177571A (en) | Ophthalmic device for measuring vertex distance and pantoscopic tilt angle | |
| US4131338A (en) | Measurement of interpupillary distance | |
| CN112716444A (en) | Quick pupil distance measuring device | |
| CN111528788A (en) | Portable detecting instrument for evaluating visual fatigue degree | |
| KR102660158B1 (en) | Apparatus for inspecting contact lens fitting condition | |
| CN205306952U (en) | Adjustable computerized optometry appearance | |
| US5335419A (en) | Determining and marking apparatus and method for use in optometry and ophthalmology | |
| CN211094009U (en) | Spectacle testing and assembling measuring frame | |
| US8272739B2 (en) | Device and method for calibrating retinoscopes | |
| JP6554763B2 (en) | Interpupillary distance meter | |
| CN216364999U (en) | Pupil distance measuring instrument | |
| JP2008173306A (en) | Visual axis measuring recorder | |
| CN207084803U (en) | One kind regulation meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20100629 |