CN111208655A - Method for improving night vision luminosity - Google Patents
Method for improving night vision luminosity Download PDFInfo
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- CN111208655A CN111208655A CN202010049307.6A CN202010049307A CN111208655A CN 111208655 A CN111208655 A CN 111208655A CN 202010049307 A CN202010049307 A CN 202010049307A CN 111208655 A CN111208655 A CN 111208655A
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- wearer
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C13/00—Assembling; Repairing; Cleaning
- G02C13/003—Measuring during assembly or fitting of spectacles
- G02C13/005—Measuring geometric parameters required to locate ophtalmic lenses in spectacles frames
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Abstract
The application provides a method for improving night vision luminosity and a preparation method thereof, comprising the following steps: acquiring a night vision area according to the geometric parameters of the glasses and the diopter value of the wearer; manufacturing lenses according to the geometric parameters of the glasses; manufacturing a spectacle frame according to the night vision area and the distance between the night vision area and the optical center of the lens; the glasses with the lenses are arranged in the glasses frame, and the glasses with the vision luminosity improved at night are obtained. This application is under night or the not enough condition of light, and the night vision zone of wearer's accessible lens observes closely things, plays the effect of compensation eyesight, avoids observing things at night for a long time, leads to the condition of visual decline.
Description
Technical Field
The invention relates to the technical field of glasses, in particular to a method for improving night vision luminosity.
Background
With the development of economy, people pursue better life quality and the requirements on the glasses are stricter and stricter.
In the daytime or under the condition of good light, the pupils of human eyes are relatively small, so that the eyes can easily see clearly; at night or under the condition of poor light, pupils of human eyes can be enlarged, peripheral light is increased, so that focusing effect deviation is caused, the problem that objects to be observed are not clear easily occurs to a wearer at night under the condition of the same glasses degree, and inconvenience is brought to people for observing the objects; and the phenomenon of poor eyesight can be caused by observing objects in the mode for a long time.
Disclosure of Invention
The application provides a method for improving night vision luminosity and a preparation method thereof, and aims to solve the problem that in the prior art, a wearer is easy to see unclear objects at night.
To achieve the above object, in a first aspect, the present application provides a method of improving night vision photometry, comprising:
acquiring a night vision area according to the geometric parameters of the glasses and the diopter value of the wearer;
manufacturing lenses according to the geometric parameters of the glasses;
manufacturing a spectacle frame according to the night vision area and the distance between the night vision area and the optical center of the lens;
and the glasses are arranged in the glasses frame, so that the glasses capable of improving the visual luminosity at night are obtained.
Optionally, the method for improving night vision luminosity described above, the method for obtaining the night vision zone according to the geometric parameters of the glasses and the diopter value of the wearer includes:
acquiring the geometric parameters of the eyes of a wearer, the lenses and a spectacle frame through optometry;
acquiring the diopter value of the wearer according to the geometric parameters and a ray tracing method;
according to the refraction degree value, searching the position of an optical central point on the lens;
drawing a circle above the optical center point at a millimeter distance from the optical center point, and taking a circular interval with the diameter of b millimeters and taking a correction value f of the glasses processing of-0.26D to-0.1D as a night visual area;
wherein a + b is more than or equal to 12, and a and b are positive numbers.
Optionally, in the method for improving night vision luminosity, the value range of a is 1-5 mm, and the value range of b is 7-12 mm.
Optionally, in the method for improving night vision luminosity, the value of a is 4mm, the value of b is 8mm, and the value of f is-0.25D.
Optionally, in the method for improving night vision luminosity, the geometric parameters include: the pupillary distance of the wearer, the distance between the wearer's eyes and the lens, the angle of inclination of the lens when worn by the wearer, the radius of curvature of the lens, the center thickness of the lens, the refractive index of the lens, and the arc of the frame, the length of each side of the frame.
Optionally, in the method for improving night vision luminosity, the method for manufacturing the frame according to the night vision zone and the distance between the night vision zone and the optical center of the lens comprises:
inputting the pupil distance of the wearer, the distance between the eyes of the wearer and the lenses, the inclination angle of the lenses worn by the wearer, the radian of the spectacle frame and the length of each side of the spectacle frame into a control system;
inputting the night vision zone and the distance of the night vision zone from the optical center of the lens into the control system;
and manufacturing the mirror bracket through the control system.
Optionally, in the method for improving nighttime optometry, the tilt angle of the lens after being worn by the wearer includes: the inclination angle of the lens in the vertical direction and the inclination angle in the horizontal direction.
Optionally, in the method for improving nighttime optometry, the pupillary distance of the wearer includes: the distance between the centers of the pupils of the two eyes when the sight lines of the two eyes of the wearer are in an orthographic view or a parallel state.
Optionally, in the method for improving night vision luminosity, the method for obtaining the diopter value of the wearer according to the geometric parameters and the ray tracing method includes:
and substituting the numerical values of the curvature radius of the lens, the central thickness of the lens and the refractive index of the lens into an object-image position relation formula of the ray tracing method to obtain a refraction degree value.
Optionally, the length of each side of the frame comprises a distance between the two temples, a width of the frame at the bridge of the nose, a length of the frame, and a height of the frame.
The invention has the beneficial effects that:
the invention provides a method for improving night vision luminosity, which acquires a night vision area according to the geometric parameters of glasses and the diopter value of a wearer. Therefore, at night or under the condition of insufficient light, a wearer can observe objects at a short distance through the night vision area of the lens, the effect of compensating vision is achieved, and the condition that the vision is reduced due to the fact that the objects are observed at night for a long time is avoided.
Drawings
The invention is further described with reference to the following figures and examples.
FIG. 1 is a flow chart of a method of improving night vision luminosity of the present invention;
FIG. 2 is a flow chart of S100 of the present invention;
fig. 3 is a flowchart of S300 according to the present invention.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams illustrating only the basic structure of the invention in a schematic manner, and thus show only the constitution related to the invention.
In the description of the invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1, the present invention provides a method for improving night vision luminosity, comprising:
s100, acquiring a night vision area according to the geometric parameters of the glasses and the diopter value of a wearer;
s200, manufacturing lenses according to the geometric parameters of the glasses;
s300, manufacturing a spectacle frame according to the night vision area and the distance between the night vision area and the optical center of the lens;
s400, the glasses are installed in the glasses frame, and the glasses capable of improving the eyesight at night are obtained.
In one embodiment of the present application, the method of S100 includes:
s110, acquiring the eyes of a wearer and geometric parameters of lenses and a spectacle frame through optometry;
s120, acquiring the diopter value of the wearer according to the geometric parameters and the ray tracing method, wherein the diopter value comprises the following steps:
substituting numerical values of the curvature radius of the lens, the central thickness of the lens and the refractive index of the lens into an object image position relation formula of a ray tracing method to obtain a dioptric strength value;
s130, searching the position of an optical center point on the lens according to the diopter value;
s140, drawing a circle right above the a millimeter at a millimeter distance from the optical center point, and taking a circular interval with the diameter of b millimeters and taking a correction value f of the glasses processing of-0.26D to-0.1D as a night visual area;
wherein a + b is more than or equal to 12, and a and b are positive numbers.
Under the condition of insufficient light at night, the diameter of the pupil can be enlarged to 5.5-7mm, so that a + b is more than or equal to 12, the position of the optical center is positioned at the outer side of the diameter of the pupil, the observation of objects through the optical center is not influenced, and the design of a night visual area is slightly larger than the diameter of the pupil. When myopia occurs at night, the naked eye loses about-0.27D vision, so the lost vision is supplemented by adding a correction value of-0.25D to the night vision zone.
Under the condition that people are at night or light is insufficient, objects in a short distance can be observed through the night vision area of the lens, the vision is corrected through the added correction value, the effect of compensating the vision is achieved, and the condition that the vision is reduced due to the fact that the objects are observed at night for a long time is avoided. Furthermore, the set correction value increases the comfort and the definition of a wearer when observing objects, and the distance between the night vision area and the optical center is set to be smaller than the diameter of the pupil at night, so that the problem that people cannot observe the objects through the optical center at night is avoided. When observing things through the visual zone, the diameter of the visual zone at night is greater than the diameter of the pupil at night, and when observing things through the visual zone, can prevent that the visual zone is less than the diameter of the pupil at night, because partial light can not be input into the eyeball through the visual zone, the visual zone at night can not compensate the vision of the human body, and can not see things clearly.
In one embodiment of the application, the value range of a is 1-5 mm, and the value range of b is 7-12 mm. Preferably, a is 4mm, b is 8mm, and f is-0.25D. Under the condition of insufficient light at night, the pupil diameter can be enlarged to 5.5-7mm, and when the value of a is 4mm or more than 4mm during the design of the night visual zone, the optical center is positioned at the outer side of the pupil diameter, so that the observation of objects through the optical center is not influenced. Under the condition of insufficient light at night, the diameter of the pupil can be enlarged to 5.5-7mm, and when the value of b is 8mm or more, the design of the night vision area is slightly larger than the diameter of the pupil.
In one embodiment of the present application, the geometric parameters include: the pupillary distance of the wearer, the distance between the wearer's eyes and the lens, the angle of inclination of the lens when worn by the wearer, the radius of curvature of the lens, the center thickness of the lens, the refractive index of the lens, and the arc of the frame, the length of each side of the frame.
As shown in fig. 3, in an embodiment of the present application, the method of S300 includes:
s310, inputting the pupil distance of the wearer, the distance between the eyes of the wearer and the lenses, the inclination angle of the lenses worn by the wearer, the radian of the spectacle frame and the length of each side of the spectacle frame into a control system;
the interpupillary distance of the wearer includes: the distance between the centers of the pupils of the two eyes of the wearer when the sight lines of the two eyes are in an orthographic view or parallel state;
the inclination angle of the rear lens worn by the wearer includes: the inclination angle of the lens in the vertical direction and the inclination angle of the lens in the horizontal direction;
the length of each side of the spectacle frame comprises the distance between two spectacle legs, the width of the spectacle frame placed at the position of a nose bridge, the length of the spectacle frame and the height of the spectacle frame;
s320, inputting the night vision area and the distance between the night vision area and the optical center of the lens into a control system;
and S330, manufacturing the mirror frame through the control system.
In light of the foregoing description of preferred embodiments according to the invention, many modifications and variations can be made by the worker skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A method of improving nighttime optometry, comprising:
acquiring a night vision area according to the geometric parameters of the glasses and the diopter value of the wearer;
manufacturing lenses according to the geometric parameters of the glasses;
manufacturing a spectacle frame according to the night vision area and the distance between the night vision area and the optical center of the lens;
and the glasses are arranged in the glasses frame, so that the glasses capable of improving the visual luminosity at night are obtained.
2. The method for improving night vision photometry as claimed in claim 1, wherein the method for obtaining the night vision area based on the geometrical parameters of the glasses and the diopter value of the wearer comprises:
acquiring the geometric parameters of the eyes of a wearer, the lenses and a spectacle frame through optometry;
acquiring the diopter value of the wearer according to the geometric parameters and a ray tracing method;
according to the refraction degree value, searching the position of an optical central point on the lens;
drawing a circle above the optical center point at a millimeter distance from the optical center point, and taking a circular interval with the diameter of b millimeters and taking a correction value f of the glasses processing of-0.26D to-0.1D as a night visual area;
wherein a + b is more than or equal to 12, and a and b are positive numbers.
3. The method for improving night vision luminosity according to claim 2, wherein said a ranges from 1 to 5mm and said b ranges from 7 to 12 mm.
4. The method of improving night vision photometry of claim 3, wherein the value of a is 4mm, the value of b is 8mm, and the value of f is-0.25D.
5. The method of improving nighttime optometry of claim 2, wherein the geometric parameters comprise: the pupillary distance of the wearer, the distance between the wearer's eyes and the lens, the angle of inclination of the lens when worn by the wearer, the radius of curvature of the lens, the center thickness of the lens, the refractive index of the lens, and the arc of the frame, the length of each side of the frame.
6. The method of improving night vision photometry of claim 5 wherein the method of making a frame based on the night vision zone and the distance of the night vision zone from the optical center of the lens comprises:
inputting the pupil distance of the wearer, the distance between the eyes of the wearer and the lenses, the inclination angle of the lenses worn by the wearer, the radian of the spectacle frame and the length of each side of the spectacle frame into a control system;
inputting the night vision zone and the distance of the night vision zone from the optical center of the lens into the control system;
and manufacturing the mirror bracket through the control system.
7. The method of improving nighttime optometry of claim 5, wherein the tilt angle of the wearer's rear-wearing lens comprises: the inclination angle of the lens in the vertical direction and the inclination angle in the horizontal direction.
8. The method of improving nighttime optometry of claim 5, wherein the wearer's interpupillary distance comprises: the distance between the centers of the pupils of the two eyes when the sight lines of the two eyes of the wearer are in an orthographic view or a parallel state.
9. The method of improving night vision photometry as claimed in claim 1, wherein the method of obtaining the diopter value of the wearer according to the geometrical parameters and ray tracing comprises:
and substituting the numerical values of the curvature radius of the lens, the central thickness of the lens and the refractive index of the lens into an object-image position relation formula of the ray tracing method to obtain a refraction degree value.
10. The method of improving nighttime optometry of claim 1, wherein the length of each side of the frame comprises the distance between the two temples, the width of the frame placed at the bridge of the nose, the length of the frame, and the height of the frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010049307.6A CN111208655B (en) | 2020-01-16 | 2020-01-16 | Method for improving night vision luminosity |
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| CN202010049307.6A CN111208655B (en) | 2020-01-16 | 2020-01-16 | Method for improving night vision luminosity |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589562A (en) * | 2017-09-20 | 2018-01-16 | 厦门云镜视界设计有限公司 | A kind of making spectacles to order method |
| EP3454110A1 (en) * | 2017-09-11 | 2019-03-13 | Rupp + Hubrach Optik GmbH | Progressive addition lens and method for manufacturing thereof |
| CN109856795A (en) * | 2019-04-15 | 2019-06-07 | 上海万明眼镜有限公司 | A kind of eyeglass luminosity optimization method solving oblique aberration |
| CN110262070A (en) * | 2019-04-19 | 2019-09-20 | 上海基诺光学有限公司 | A kind of personalized optical mirror slip and its design method for nighttime driving |
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- 2020-01-16 CN CN202010049307.6A patent/CN111208655B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3454110A1 (en) * | 2017-09-11 | 2019-03-13 | Rupp + Hubrach Optik GmbH | Progressive addition lens and method for manufacturing thereof |
| CN107589562A (en) * | 2017-09-20 | 2018-01-16 | 厦门云镜视界设计有限公司 | A kind of making spectacles to order method |
| CN109856795A (en) * | 2019-04-15 | 2019-06-07 | 上海万明眼镜有限公司 | A kind of eyeglass luminosity optimization method solving oblique aberration |
| CN110262070A (en) * | 2019-04-19 | 2019-09-20 | 上海基诺光学有限公司 | A kind of personalized optical mirror slip and its design method for nighttime driving |
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| CN111208655B (en) | 2021-07-30 |
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