CN101732028A - Positioning method for glasses-matching cross curve of progressive lens and visual line distance measuring meter - Google Patents
Positioning method for glasses-matching cross curve of progressive lens and visual line distance measuring meter Download PDFInfo
- Publication number
- CN101732028A CN101732028A CN200910233664A CN200910233664A CN101732028A CN 101732028 A CN101732028 A CN 101732028A CN 200910233664 A CN200910233664 A CN 200910233664A CN 200910233664 A CN200910233664 A CN 200910233664A CN 101732028 A CN101732028 A CN 101732028A
- Authority
- CN
- China
- Prior art keywords
- horizontal
- sight line
- minute surface
- slide block
- distance measuring
- 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
- Eyeglasses (AREA)
Abstract
The invention discloses a positioning method for a glasses-matching cross curve of a progressive lens and a visual line distance measuring meter. The method is characterized by: calibrating positions of left and right eye visual lines on a mirror plane with a visual line-mirror plane position visual line distance measuring meter to obtain a horizontal distance between left and right eye visual line-mirror plane position, namely a visual line distance; copying the visual line-mirror plane position on a selected support piece of an optical frame according to the visual line distance of a single eye; and then obtaining the position of the left and right eye cross curve. The invention also discloses the visual line distance measuring meter, which has the advantages of small volume, light weight, convenient operation and accurate measurement. The method and the device of the invention are a relatively ideal high-precision progressive lens matching method and a relatively ideal high-precision progressive lens matching device.
Description
Partial content of the present invention has been applied for utility model patent simultaneously.
Technical field
The present invention relates to a kind of localization method of joining cross center in the mirror, the localization method and the visual line distance measuring meter thereof at especially a kind of glasses-matching cross curve of progressive lens center.
Background technology
Progressive mirror can be used to solve presbyope's control lag problem, alleviates teenager and closely reads adjusting fatigue etc., and present progressive mirror utilization rate in the presbyopia crowd of developed country can reach more than 60%, and the utilization rate of domestic progressive mirror in recent years has the trend that increases fast.But the localization method of traditional glasses-matching cross curve of progressive lens comes with some shortcomings.Mainly be: the mirror cross basis on location of joining of the progressive mirror of images of left and right eyes is pupil center-minute surface site; Operation with a labelling pupil center and spectacle plane (support sheet) site under range estimation has range estimation error, labelling error.This operation makes majority be tested teacher of the joining and marks left and right eye pupil height and do not wait, and in fact the level height of majority's images of left and right eyes sight line is identical; Can not guarantee that sight line is in passage central authorities.Joining the consequence that mirror causes according to this is: artificial vertical prism effect; Narrower middle near region is looked wide.Therefore need a kind of method to avoid.
Summary of the invention
The objective of the invention is to adopt pupil apart from existing error big as the sight line distance at existing progressive mirror cross hairs location, the mirror of being joined easily produces asthenopic problem, invent a localization method, a corresponding visual line distance measuring meter is provided simultaneously based on the glasses-matching cross curve of progressive lens of sight line minute surface site visual line distance measuring meter.
Technical scheme of the present invention is:
A kind of localization method of glasses-matching cross curve of progressive lens, it is characterized in that demarcating the position of images of left and right eyes sight line on spectacle plane by sight line-minute surface site visual line distance measuring meter, the horizontal range that obtains between images of left and right eyes sight line-minute surface site is the sight line distance, duplicates sight line-minute surface site by the mono-vision line-spacing then on the support sheet of selected picture frame and can obtain the position of images of left and right eyes cross hairs; Described line-minute surface site visual line distance measuring meter comprises mirror holder 1, be provided with two strip horizontal fissures 3 with human eye relative position place on this mirror holder 1 forward picture frame, but the window slide block 2 of move left and right is installed on the horizontal fissure 3, window slide block 2 is provided with window 11 with horizontal fissure 3 relative position places, window slide block 2 is provided with horizontal scale indicatrix 7, and the picture frame of mirror holder 1 is provided with horizontal scale scale 6; Described window slide block 2 is made up of preceding 9 and back piece 10, lays respectively at the both sides of described picture frame with back piece 10 for preceding 9 and links to each other by the screw 8 that passes horizontal fissure 3; Described two horizontal fissures, 3 contour or left high right low or left low right height at this moment, are provided with vertical scale scale 4 in the one or both ends of described horizontal fissure 3, are provided with vertical scale indicatrix 5 at described window slide block 3
For pupil height is arranged, the person that joins the mirror on same horizontal line not, also can determine that the vertical dimension between images of left and right eyes sight line-minute surface site is that height of sighting line is poor, on the support sheet of selected picture frame, duplicate sight line-minute surface site can obtain the images of left and right eyes cross hairs on picture frame position then by sight line distance, height of sighting line difference by sight line-minute surface site visual line distance measuring meter.
A kind of sight line-minute surface site visual line distance measuring meter, comprise mirror holder 1, it is characterized in that being provided with two strip horizontal fissures 3 with human eye relative position place on the described mirror holder 1 forward picture frame, but the window slide block 2 of move left and right is installed on the horizontal fissure 3, window slide block 2 is provided with window 11 with horizontal fissure 3 relative position places, window slide block 2 is provided with horizontal scale indicatrix 7, and the picture frame of mirror holder 1 is provided with horizontal scale scale 6.
Described window slide block 2 is made up of preceding 9 and back piece 10, lays respectively at the both sides of described picture frame with back piece 10 for preceding 9 and links to each other by the screw 8 that passes horizontal fissure 3.
Described two horizontal fissures 3 are positioned at same horizontal line.
Described two horizontal fissures 3 left sides are high right low or left low right high, at this moment, are provided with vertical scale scale 4 in the one or both ends of described horizontal fissure 3, are provided with vertical scale indicatrix 5 at described window slide block 3.
Beneficial effect of the present invention:
The present invention records the real sight line distance of human eye by custom-designed sight line apart from surveying instrument, having overcome traditional interpupillary distance of utilizing replaces sight line apart from the progressive mirror low precision of being joined, easily produce the problem of visual fatigue, it is a kind of revolutionary change of tradition being joined the mirror method, has the location accurately, convenient, the advantage that efficient is high.
The present invention adopts littler tubulose to watch the wild more accurate seizure sight line on the spectacle plane that overlaps attentively.Eyes are over against target far away during measurement, and two window slide blocks before the mobile images of left and right eyes of level (or vertical) treat that two tubuloses watch attentively wildly when overlapping, and two aperture position are sight line-minute surface site.Distance between the sight line of images of left and right eyes-its level of minute surface site is the sight line distance, and the distance between it is vertical is that height of sighting line is poor.Vision is watched wild overlapping being easier to attentively for less tubulose and is judged, by means of the adjustment of the wild overlapping eyepiece distance of carrying out of two eye fixations, therefore can carry out sight line-location, minute surface site when being similar to people and using binocular microscope, binocular telescope.
The tubulose vision area acquisition tubulose of long 9mm, diameter 1mm that the back piece aperture of images of left and right eyes of the present invention by the window slide block, preceding aperture and mirror holder horizontal fissure form is watched the open country attentively, two tubuloses are watched the overlapping of open country attentively and can be located direction of visual lines more accurately, and then read distance between two an eye line with the horizontal range between the images of left and right eyes aperture, read difference in height between two an eye line with the vertical dimension between the images of left and right eyes aperture.
Volume is little, in light weight, easy to operate, the measurement characteristic of accurate apart from having for sight line of the present invention, is a kind of more satisfactory sight line-minute surface site analyzer.
Description of drawings
Fig. 1 is the structural representation of visual line distance measuring meter of the present invention.
Fig. 2 is the plan structure sketch map of Fig. 1.
Fig. 3 is that sight line of the present invention is apart from measuring principle figure.
Among the figure: 1. mirror holder, 2. window slide block, 3. horizontal fissure, 4. vertical scale scale, 5. vertical scale indicatrix, 6. horizontal scale scale, 7. horizontal scale indicatrix, 8. bolt, 9. before piece, 10. back piece.11. left and right window, C, D. images of left and right eyes, O. target far away.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Embodiment one.
A kind of localization method of glasses-matching cross curve of progressive lens, demarcate the position of images of left and right eyes sight line on spectacle plane by sight line-minute surface site visual line distance measuring meter (seeing embodiment two), the horizontal range that obtains between images of left and right eyes sight line-minute surface site is the sight line distance, duplicates sight line-minute surface site by the mono-vision line-spacing then on the support sheet of selected picture frame and can obtain the position of images of left and right eyes cross hairs;
The concrete mirror step of joining is:
Step 1: utilization visual line distance measuring meter mensuration images of left and right eyes mono-vision line-spacing and height of sighting line are poor;
Step 2: picture frame is recommended to select, shaping;
Step 3: on picture frame support sheet, duplicate sight line-minute surface site by mono-vision line-spacing, height of sighting line difference parameter;
Step 4: put on picture frame and determine that images of left and right eyes sight line-minute surface site is in the images of left and right eyes lesser ring of Merkel;
Step 5: the mirror cross of joining with picture frame support sheet sight line-corresponding progressive mirror of minute surface site labelling carries out cut edge.
Embodiment two.
As shown in Figure 1, 2.
A kind of sight line-minute surface site analyzer, comprise mirror holder 1 and window slide block 2, mirror holder 1 is made by the thick opaque plastics sheet of 3mm integral body, be provided with two strip horizontal fissures 3 with human eye relative position place on the mirror holder 1 forward picture frame, the width of this horizontal fissure is 30 millimeters, highly be about 1 millimeter, but the window slide block 2 of move left and right is installed on the horizontal fissure 3, as shown in Figure 1, window slide block 2 is formed with back piece 10 by preceding 9, preceding piece 9 lays respectively at the both sides of described picture frame with back piece 10 and links to each other by the screw 8 that passes horizontal fissure 3, as shown in Figure 2, window slide block 2 is provided with the window 11 that can see through horizontal fissure with horizontal fissure 3 relative position places, and window slide block 2 is provided with horizontal scale indicatrix 7, and the picture frame of mirror holder 1 is provided with horizontal scale scale 6 (total length is about the 20-40 millimeter).
Embodiment three.
The difference of present embodiment and embodiment one is that two horizontal fissures 3 are not on sustained height, it is high right low or left low right high to can be a left side, differ about 2 millimeters between the two, at this moment, be provided with vertical scale scale 4 (total height is about 2 millimeters) in the one or both ends of described horizontal fissure 3, be provided with vertical scale indicatrix 5 at described window slide block 3.
The operation principle and the using method of visual line distance measuring meter of the present invention are as follows:
In Fig. 1, the present invention is made of mirror holder 1, window slide block 2.The central authorities in mirror holder 1 corresponding images of left and right eyes district respectively are provided with the horizontal fissure 3 of a long 30mm, high 1mm, and horizontal fissure 3, nose, temporo side have vertical scale scale 4 tops that horizontal scale scale 6 is arranged.Window slide block 2 is passed mirror holder horizontal fissure 3 by means of two bolts 8 and is fixed as one by preceding 9, back piece 10, can slide along horizontal fissure.
In Fig. 2, it is moving along slippage that promotion window slide block 2 can make it to make level along mirror holder horizontal fissure 3.Preceding piece 9 noses, temporo side have vertical scale indicatrix 5 upper limbs that horizontal scale indicatrix 7 is arranged.Promoting then to nasal side, two windows distances (AB) change closely becomes far to the moving then two windows distances of temporo thruster (AB).The mobile range of one-sided window slide block is 20mm.
In Fig. 3, eyes are maintained fixed the head position behind the distant object O of the place ahead, and piece 9 lateral borders promotion window slide block 2 moved horizontally window 11 positions before the examiner contacted, and make images of left and right eyes obtain following vision in regular turn: images of left and right eyes captures target separately; Images of left and right eyes captures target simultaneously; The images of left and right eyes tubulose is watched attentively wild overlapping.Watch attentively wildly when overlapping when obtaining the images of left and right eyes tubulose, read the simple eye hypermetropia line-spacing that scale on the left and right graduated scale 4 is examinee's images of left and right eyes respectively.Left and right simple eye hypermetropia line-spacing sum is an eyes hypermetropia line-spacing.On same level, it is overlapping to obtain the visual field, judges according to two outward appearances and uses left high type or right high type analyzer instead, moves in vertical direction and watches attentively wild overlapping to obtain the images of left and right eyes tubulose.Reading horizontal sight line distance and vertical drop are promptly joined the cross basis on location of mirror with this as progressive mirror, and then according to the preparation that the mirror program is carried out progressive mirror of joining of routine.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (6)
1. the localization method of a glasses-matching cross curve of progressive lens, it is characterized in that demarcating the position of images of left and right eyes sight line on spectacle plane by sight line-minute surface site visual line distance measuring meter, the horizontal range that obtains between images of left and right eyes sight line-minute surface site is the sight line distance, duplicates sight line-minute surface site by the mono-vision line-spacing then on the support sheet of selected picture frame and can obtain the position of images of left and right eyes cross hairs; Described line-minute surface site visual line distance measuring meter comprises mirror holder (1), be provided with two strip horizontal fissures (3) with human eye relative position place on the forward picture frame of this mirror holder (1), horizontal fissure (3) but on the window slide block (2) of move left and right is installed, window slide block (2) is provided with window (11) with horizontal fissure (3) relative position place, window slide block (2) is provided with horizontal scale indicatrix (7), and the picture frame of mirror holder (1) is provided with horizontal scale scale (6); Described window slide block (2) is made up of preceding (9) and back piece (10), and preceding (9) lay respectively at the both sides of described picture frame with back piece (10) and link to each other by the screw (8) that passes horizontal fissure (3); Described two horizontal fissures (3) are contour or left high right low or left low right high, at this moment, are provided with vertical scale scale (4) in the one or both ends of described horizontal fissure (3), are provided with vertical scale indicatrix (5) at described window slide block (3)
2. the localization method of glasses-matching cross curve of progressive lens according to claim 1, it is characterized in that it also determines that by sight line-minute surface site visual line distance measuring meter the vertical dimension between images of left and right eyes sight line-minute surface site is that height of sighting line is poor, on the support sheet of selected picture frame, duplicate sight line-minute surface site can obtain the images of left and right eyes cross hairs on picture frame position apart from, height of sighting line difference then by sight line.
3. sight line-minute surface site visual line distance measuring meter, comprise mirror holder (1), it is characterized in that being provided with two strip horizontal fissures (3) with human eye relative position place on the forward picture frame of described mirror holder (1), horizontal fissure (3) but on the window slide block (2) of move left and right is installed, window slide block (2) is provided with window (11) with horizontal fissure (3) relative position place, window slide block (2) is provided with horizontal scale indicatrix (7), and the picture frame of mirror holder (1) is provided with horizontal scale scale (6).
4. sight line according to claim 3-minute surface site visual line distance measuring meter, it is characterized in that described window slide block (2) is made up of preceding (9) and back piece (10), preceding (9) lay respectively at the both sides of described picture frame and link to each other by the screw (8) that passes horizontal fissure (3) with back piece (10).
5. sight line according to claim 3-minute surface site visual line distance measuring meter is characterized in that described two horizontal fissures (3) are positioned at same horizontal line.
6. sight line according to claim 3-minute surface site visual line distance measuring meter, it is characterized in that described two horizontal fissures (3) left side is high right low or left low right high, at this moment, be provided with vertical scale scale (4) in the one or both ends of described horizontal fissure (3), be provided with vertical scale indicatrix (5) at described window slide block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910233664A CN101732028A (en) | 2009-10-26 | 2009-10-26 | Positioning method for glasses-matching cross curve of progressive lens and visual line distance measuring meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910233664A CN101732028A (en) | 2009-10-26 | 2009-10-26 | Positioning method for glasses-matching cross curve of progressive lens and visual line distance measuring meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101732028A true CN101732028A (en) | 2010-06-16 |
Family
ID=42456427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910233664A Pending CN101732028A (en) | 2009-10-26 | 2009-10-26 | Positioning method for glasses-matching cross curve of progressive lens and visual line distance measuring meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101732028A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020515918A (en) * | 2017-03-30 | 2020-05-28 | レンティテック, エス.エル.Lentitech, S.L. | Method for designing a pair of spectacle lenses and device for optical measurement |
-
2009
- 2009-10-26 CN CN200910233664A patent/CN101732028A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020515918A (en) * | 2017-03-30 | 2020-05-28 | レンティテック, エス.エル.Lentitech, S.L. | Method for designing a pair of spectacle lenses and device for optical measurement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102944935B (en) | Binocular head-wearing display device and method thereof for adjusting image spacing | |
| CN102715886B (en) | Corneal curvature calculation method for computerized refractometer | |
| CN103735245B (en) | Interpupillary distance pupil height measuring instrument | |
| CN100379380C (en) | Strabism measuring instrument and its method for measuring strabism | |
| CN203987981U (en) | A kind of centro meter | |
| CN202981957U (en) | Pupil distance and height measuring instrument | |
| CN103698884A (en) | Opening type head-mounted display device and display method thereof | |
| CN101248983A (en) | Compensating mechanism of human eyes wave-front optical aberration measurement and correct system | |
| CN103487239A (en) | Handheld lens surface focal power measurement device | |
| CN101584573A (en) | Interpupillary distance, optical range measuring device | |
| US2432676A (en) | Corneal aligning means for trial frames | |
| CN108957790B (en) | Glasses for detecting myopia degrees and method for detecting myopia degrees | |
| CN205102785U (en) | Device that lens center is thick is measured to non -contact method | |
| CN101732028A (en) | Positioning method for glasses-matching cross curve of progressive lens and visual line distance measuring meter | |
| CN111505837A (en) | Sight distance detection automatic zooming optical system based on binocular imaging analysis | |
| CN201517959U (en) | Sight line-mirror surface site tester | |
| CN201731991U (en) | Multifunctional lensmeter | |
| CN2891963Y (en) | Head glasses type sight line distances tester | |
| CN104359656B (en) | Small field of view optical system optical parallax detection method and the equipment of enforcement the method | |
| CN102579001B (en) | Trial frame for measuring dominant eyes | |
| CN208625662U (en) | Rafractive human eye automatic tracking system | |
| RU157345U1 (en) | DEVICE FOR MARKING THE PUBLIC CENTER ON THE FRAME PLANE | |
| CN216907937U (en) | Ptosis evaluation glasses | |
| CN201234974Y (en) | Compensating device for measuring and correcting human eye wave front aberration | |
| CN2684760Y (en) | Line-of-sight distance measuring scope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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 |
Open date: 20100616 |