CN2684760Y - Line-of-sight distance measuring scope - Google Patents
Line-of-sight distance measuring scope Download PDFInfo
- Publication number
- CN2684760Y CN2684760Y CN 03263928 CN03263928U CN2684760Y CN 2684760 Y CN2684760 Y CN 2684760Y CN 03263928 CN03263928 CN 03263928 CN 03263928 U CN03263928 U CN 03263928U CN 2684760 Y CN2684760 Y CN 2684760Y
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- China
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- eyeglasses
- apart
- sight line
- interlock
- line according
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Abstract
Disclosed is a line-of-sight distance measuring scope which is a tool of mirrors typed measuring distance of visual line and is used for ophthalmology clinical examination. The utility model provides technical parameter for fitting, comprising a mirror bracket, an interlocking adjustable scale and lenses. A red dot and a green dot are respectively arranged in the center of the two lenses; in the process of looking distant targets and closing targets, the distance of the two lenses are adjusted, when the red dot and the green dot in front of eyes are watched to be overlapping, the distance of distant sight and short sight can be measured. The utility model has reasonable design, scientific design and easy operation and is an effective measuring tool for boresight separation distance.
Description
Technical field:
This utility model is that a kind of people's of mensuration eyes are being seen far away and seen when near the instrument of distance between two an eye line.Be mainly used in the clinical ophthalmology inspection and provide technical parameter for getting the right lensses for one's eyeglasses, the glasses that the result allotted that utilize this mirror to record, the sight line that can make the people reaches the best visual effect by the optical center of glasses.
Background technology:
Relevant sight line is apart from the still unmanned design of the instrument of measuring, at present the interpupillary distance measurement method that adopts is seen sight line distance when near because of energy measurement not, and the person's of being subjected to an examination subjective measurement and what the restriction of seeing service, may make glasses wearer's the optical axis and lens optical center that deviation is arranged, be its defective.This utility model adopts the eyes of Xu Guang the to close the picture principle, has comprised the content of stereoscopic vision.In the measurement respectively at seeing far away and when seeing close-target, move two round dots at the moment, when treating that they are regarded as uniting two into one, distance between two round dots is the sight line distance, it has represented eyes respectively at seeing far away and see in the near procedure, the residing position of eyeball during binocular single vision, and therefore the sight line of measuring like this is when giving expression to eyes more accurately and look thing far away and look nearly thing, distance between two optical axis, mirror is joined in guidance important meaning.
Summary of the invention:
Can not measure eyes exactly and seeing far away or seeing the deficiency of binocular visual axis spacing when near in order to overcome existing interpupillary distance measurement method, this utility model provides a kind of sight line of mirror simply and easily apart from survey tool, can record eyes exactly and see far away and seeing optical axis spacing when near.
The technical scheme that its technical problem that solves this utility model adopts is: the cross bar of mirror holder is made by interlock scalable scale, its below connects left and right two eyeglasses, two eyeglass the first half are transparent color, the latter half is a mass colour, it is coloured round dot of 2 millimeters that one diameter is respectively arranged at the center of two eyeglasses, be red on one side, Yi Bian be green.Interlock scalable scale is a sleeve structure, skin indicates scale, there is the sliding tray that moves for eyeglass its below, the screw thread of the screw rod of internal layer left side right-hand part is reverse, its objective is that screwing screw rod drives nut and do in opposite directions or the motion of supporting or opposing, two nuts and connect eyeglass about being with on the screw rod, screw rod stretches out and is bolt, screw the spacing of removable two eyeglasses of bolt, the spacing that drives red, green two round dots synchronously changes, and the scope that two round dots move is 40～60 millimeters.
The beneficial effects of the utility model are, eyes are being seen far away and are being seen that the red green round dot that utilizes eyes to close principle two eyeglasses of picture when near can record the optical axis spacing of eyes exactly when uniting two into one, it is little, in light weight, convenient to have volume, and measuring characteristics such as accurate, is that a kind of more satisfactory sight line is apart from survey tool.
Description of drawings:
Below in conjunction with accompanying drawing this utility model is further specified.
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model interlock scalable scale profile;
Fig. 3 sees far away for this utility model and sees that short sight is apart from sketch map;
Among the figure; The 1-mirror holder; 2-interlock scalable scale; The 3-eyeglass; The 4-bolt; The outer graduated scale of 5-interlock scalable scale; 6-cover inner tube layer nut; The 7-screw rod; The outer eyeglass sliding tray of 8-; O-is a target far away; N-is a close-target; A, B-are red, the green round dot of left and right sides center of lens; C, D-are left and right sides eyes.
The specific embodiment:
In Fig. 1, this utility model connects scalable scale (2) by mirror holder (1), connects eyeglass (3) in the below of scalable scale (2) and constitutes.Two eyeglasses (3) the first half is a bright zone, and the latter half is a non-transparent area, and it is 2 millimeters red, green round dot (A, B) that respectively there is a diameter at two eyeglasses (3) center.The front of interlock scalable scale (2) indicates scale (5), and interlock scalable scale (2) screw rod (7) in it stretches out and is convenient to manual adjustments for bolt (4).
The screw thread of the left right-hand part of screw rod (7) is reverse in interlock scalable scale profile shown in Figure 2, pitch is identical, and there is left and right sides nut (6) to be connected with it, below at nut (6) connects eyeglass (3), when screwing nut (4) forward or backwards, two eyeglasses (3) are done in opposite directions or are supported or opposed mobile.In the below of the outer rule (5) of interlock scalable scale (2) sliding tray (8) that moves for eyeglass (3) is arranged, moving range is 40～60 millimeters.
In Fig. 3, 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 red, green two round dots (A, B) are isolating, the examiner regulates bolt (4) on the interlock scale (2) when person under inspection's eyes (C, D) see that red, green two round dots (A, B) are overlapping, reads the hypermetropia line-spacing that number of division on the scale (5) is the person under inspection; According to method when person under inspection's eyes (C, D) are seen close-target (N), regulate bolt (4) and be the short sight distance to red, green two round dots (A, B) when overlapping.This measuring method is to have used eyes to close the binocular single vision effect that produces as principle, reflected that more objectively eyes are seeing far away and seeing the spacing of two sight lines when near.
Claims (7)
1, sight line is a kind of instrument far away, the short sight distance that is used to measure apart from measuring mirror, comprise mirror holder, interlock scalable scale, eyeglass etc., it is characterized in that: the cross bar of mirror holder is made by interlock scalable scale, two eyeglasses about the below of interlock scalable scale is connected with, transparent and nontransparent intersection at two eyeglasses has red, green round dot, and the bolt of regulating on the scale can make the spacing of two eyeglasses change.
2, sight line according to claim 1 is apart from measuring mirror, and it is characterized in that: the first half of two eyeglasses is transparent, and the latter half is opaque.
3, sight line according to claim 1 is characterized in that apart from measuring mirror: it is 2 millimeters red, green round dot that the center of two eyeglasses has diameter respectively.
4, sight line according to claim 1 is characterized in that apart from measuring mirror: the screw thread of the screw rod left side right-hand part in the interlock scalable scale is reverse, and screw rod stretches out and is manual bolt.
5, sight line according to claim 1 is characterized in that apart from measuring mirror: be connected on two eyeglasses sleeve pipe with the form of nut and screw rod kissing with.
6, sight line according to claim 1 is apart from measuring mirror, and it is characterized in that: there is digital calibration in the place ahead of interlock scalable scale, and there is the sliding tray that can supply two eyeglasses to move its below.
7, sight line according to claim 1 is apart from measuring mirror, and it is characterized in that: red, green round dot movably scope is 40～60 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03263928 CN2684760Y (en) | 2003-05-28 | 2003-05-28 | Line-of-sight distance measuring scope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03263928 CN2684760Y (en) | 2003-05-28 | 2003-05-28 | Line-of-sight distance measuring scope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2684760Y true CN2684760Y (en) | 2005-03-16 |
Family
ID=34661149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03263928 Expired - Fee Related CN2684760Y (en) | 2003-05-28 | 2003-05-28 | Line-of-sight distance measuring scope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2684760Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107898429A (en) * | 2017-11-10 | 2018-04-13 | 南京医科大学第附属医院 | One kind strabismus examination and eye position recorder and its method |
-
2003
- 2003-05-28 CN CN 03263928 patent/CN2684760Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107898429A (en) * | 2017-11-10 | 2018-04-13 | 南京医科大学第附属医院 | One kind strabismus examination and eye position recorder and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |