Reading and writing telescope

Abstract

The present invention provides a reading and writing telescope, which belongs to the technical field of optical instruments for preventing myopia and maintaining vision. It mainly includes a telescope cover and a support frame supporting the telescope cover; the telescope cover includes a main viewing area, which is 50mm-180mm high and 65mm-250mm wide; a convex lens is arranged on the periphery of the main viewing area except the bottom; while the reader is reading and writing, the periphery of the eye can consciously see or unconsciously feel that the object opposite the convex lens becomes farther and larger through the convex lens, and the main viewing area is one or a pair of visual holes for reading, writing or watching; a convex lens, a black curtain, a reflector, a connecting plate or a connecting frame is also arranged below the periphery of the main viewing area. The present invention allows the user to consciously or unconsciously see the object opposite the convex lens become farther and larger at all times when reading and writing, and get rid of the feeling of nearness at any time, and the reading and writing field of vision is not limited, the structure is simple, and it is easy to use, and the effect of preventing myopia is better. It is suitable for use when reading, writing, or watching computers and TV.

Description

Technical Field

[0001] The invention belongs to the technical field of optical instruments for preventing myopia and maintaining vision, and is particularly suitable for use during reading and writing. Background Art

[0002] Myopia is caused by long-term use of eyes in a near environment. Students usually face a wall when they sit at their desks at home to study and read. They are constantly looking at things up, left, and right, and feel the nearness consciously or unconsciously. There is no moment to get rid of the feeling of nearness. Although there are many instruments for preventing and treating myopia, their effects and applications are still greatly limited. Some of them are still very complex in structure, and are still very troublesome to manufacture and use. This brings a lot of inconvenience to users. Summary of the invention

[0003] The purpose of the present invention is to provide a reading and writing telescope, which can make the user consciously or unconsciously see the object opposite the convex lens become farther and larger at all times when reading and writing, and get rid of the feeling of nearness at any time, and the reading and writing field of vision is not limited, the structure is simple, the use is convenient, and the effect of treating and preventing myopia is better. It is suitable for use when reading, writing, watching computers, and watching TV.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a reading and writing telescope, characterized in that it includes a telescope cover and a support frame supporting the telescope cover; the telescope cover includes a main viewing area for the eyes, the main viewing area is 50mm-180mm high and 65mm-250mm wide; four radiating lines are made from the geometric center of the main viewing area, or from the peripheral connection line of the main viewing area, and the periphery of the visual hole is divided into four parts: upper, left, right and lower; convex lenses are arranged on the periphery of the main viewing area except the lower part, which is the telescopic area. While reading and writing, the reader can consciously see or unconsciously feel that the object opposite to the convex lens becomes farther and magnified through the convex lens; the main viewing area is one or a pair of visual holes for reading, writing or looking; a black curtain, a connecting plate or a connecting frame is also arranged below the periphery of the main viewing area.

[0005] Furthermore, the telephoto area convex lens is 0.33D-2.50D.

[0006] Furthermore, the telescope cover, i.e., the telescope area convex lens arranged on the periphery of the main viewing area except the lower part, has an area size that can cover more than 50% of the peripheral visual field of the eye except the lower part, substantially cover or fully cover.

[0007] Furthermore, the overall shape of the telescope cover, that is, the telescope reflector arranged on the periphery of the main viewing area except the lower part, is convex, concave or flat.

[0008] Furthermore, the convex type has an outer side surface of a prism, each of which is a convex lens or a convex curved surface; the concave type has an inner side surface of a prism, each of which is a convex lens or a concave curved surface; the prism is a non-regular four-sided prism or a non-regular polygonal prism.

[0009] Furthermore, the area of ​​the non-regular quadrangular pyramid is smallest at the bottom, followed by the left and right, and largest at the top.

[0010] Furthermore, the support frame also includes a telescope cover lifting adjustment mechanism and / or a telescope cover angle adjustment mechanism, which can be adjusted to a suitable reading and writing position for the reader; a reading and writing table is provided opposite the visual hole; the reading and writing table includes an inclined reading and writing table; a jaw support plate is provided below the eye visual hole; the jaw support plate is an up and down lifting type or an eccentric lifting type jaw support plate.

[0011] Furthermore, one or a pair of lenses are provided at and / or behind the main viewing area, and the lenses include convex lenses, concave lenses, Fresnel lenses, flat lenses, bifocal lenses and multifocal lenses.

[0012] Furthermore, the power of the convex lens is between 0.25D and 2.50D; further, the power of the convex lens is between 0.50D and 1.50D.

[0013] Furthermore, a lens or lens group is provided at and / or behind the main viewing area, and its degree, in addition to correcting the refractive error of the eye, also has the image magnification and distance effect of a convex lens, or the image reduction and expansion of the field of view of a concave lens, thereby increasing the depth of field.

[0014] The invention can make the peripheral vision see far or feel far light at any time while reading and writing, that is, see the objects opposite to the convex lens become farther and magnified, so the effect of treating and preventing myopia is better, and it is convenient and applicable for reading and writing.

[0015] The beneficial effect of the reading and writing telescope provided by the present invention is that compared with the prior art, the present invention can enable the user to consciously or unconsciously see things farther away or feel light from farther away at all times when reading and writing, that is, consciously or unconsciously see the object opposite the convex lens become farther away and magnified, get rid of the feeling of nearness at any time, and the reading and writing field of vision is not limited, the structure is simple, the use is convenient, and the effect of treating and preventing myopia is better. It is suitable for use when reading, writing, or watching computers and TV. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the embodiments and their drawings will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 This is a schematic diagram of the structure of Example 1 of the present invention.

[0018] Figure 2 for Figure 1 A partial enlarged view of .

[0019] Figure 3 This is a schematic diagram of the structure of Example 2 of the present invention.

[0020] Figure 4 for Figure 1 A-direction view for convex pyramid structure or concave pyramid structure.

[0021] Figure 5 for Figure 3 B-direction view for convex surface structure or concave surface structure.

[0022] Figure 6 This is a schematic diagram of the structure of Example 3 of the present invention.

[0023] The meaning of each mark in the figure: 1-support frame, 2-lifting mechanism, 3-main viewing area (one or a pair of visual holes for reading, writing or watching), 4-convex telescope cover, 5-book reading and writing table, 6-convex or concave prism-type telescope cover, 6-1-upper plate, 6-2-left side plate, 6-3-right side plate, 6-4-lower plate (black curtain, connecting plate or connecting frame), 7-convex or concave frustum-type telescope cover, 7-1-lower side plate (black curtain, connecting plate or connecting frame), 8-concave telescope cover, 9-flat telescope cover, 10-lower jaw support plate, seat and lifting adjustment structure, 11-convex lens or lens group, 12-convex lens or lens group seat body, 13-convex lens or lens group seat body threaded cover, 14-connecting rod, 15-long hole, 16-computer or TV position diagram. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] See also Figure 1-Figure 6 , the present invention is now described. As a specific implementation of the present invention,

[0026] The reader-writer telescope is characterized in that it comprises a telescope cover and a support frame 1 for supporting the telescope cover; the telescope cover comprises a main viewing area 3 for the eye, the main viewing area is 50 mm to 180 mm high and 65 mm to 250 mm wide; four radiating lines are drawn outward from the geometric center of the main viewing area 3 or from the peripheral connecting line of the main viewing area to divide the periphery of the visual hole into four parts, namely, the upper part, the left part, the right part and the lower part; convex lenses are arranged at the periphery of the main viewing area 3 except the lower part, which is the telescope area; while the reader-writer reads and writes, the periphery of the eye can consciously see or unconsciously feel that the object opposite to the convex lens becomes farther and larger through the convex lenses; the main viewing area 3 is one or a pair of visual holes for reading, writing or viewing; a black curtain, a connecting plate or a connecting frame is also arranged below the periphery of the main viewing area 3.

[0027] When the main viewing area 3 is a pair of visual holes for reading, writing or viewing, the two holes can be separated by a frame.

[0028] The user can consciously or unconsciously see things farther away or feel light from farther away at all times when reading and writing, that is, see the objects opposite the convex lens become farther away and magnified, and get rid of the feeling of nearness at any time. In addition, the reading and writing field of vision is not limited. The device has a simple structure, is easy to use, and has a good effect in treating and preventing myopia.

[0029] As a specific implementation of the present invention, further, the telephoto convex lens is 0.33D-2.50D.

[0030] As a specific embodiment of the present invention, further, the telescope cover, i.e., the telescope area convex lens arranged on the periphery of the main viewing area 3 except the lower part, has an area size that can cover more than 50% of the peripheral vision of the eye except the lower part, basically cover or fully cover.

[0031] As a specific embodiment of the present invention, further, the overall shape of the telescope cover as a whole, that is, the telescope reflector arranged on the periphery of the main viewing area 3 except the lower part, is convex, concave or flat.

[0032] As a specific embodiment of the present invention, further, the convex type includes part of the outer side surface of the prism (such as Figure 4 ), or including a partially convex surface (such as Figure 5 The concave type includes part of the inner side of the prism (as shown in Figure 4 ), or including a partially concave surface (such as Figure 5 The prism is a non-regular 4-prism or a non-regular multi-prism. Multi-prism (including 3-prism and multi-prism).

[0033] As a specific embodiment of the present invention, further, Figure 4 As shown, the area of ​​the non-regular quadrangular pyramid is the smallest at the bottom, followed by the left and right, and the largest at the top.

[0034] As a specific implementation of the present invention, further, the support frame 1 also includes a telescope cover lifting adjustment mechanism and / or a telescope cover angle adjustment mechanism, which can be adjusted to a suitable reading and writing position for the reader / writer.

[0035] As a specific implementation of the present invention, further, a table for placing books, reading and writing is provided opposite to the visual hole.

[0036] As a specific implementation of the present invention, further, the book placing, reading and writing table includes an inclined book placing, reading and writing table.

[0037] As a specific embodiment of the present invention, further, a jaw support plate is arranged below the eye viewing hole.

[0038] As a specific embodiment of the present invention, further, the lower jaw support plate is an up and down lifting type or an eccentric lifting type lower jaw support plate.

[0039] As a specific embodiment of the present invention, further, one or a pair of lenses are provided at and / or behind the main viewing area 3, and the lenses include convex lenses, concave lenses, Fresnel lenses, flat lenses, bifocal and multifocal lenses; or are aspherical lenses, or include cylindrical lenses, prisms, anti-blue light lenses; or are a combination of two or more of the above.

[0040] As a specific implementation of the present invention, further, the power of the convex lens is 0.25D to 2.50D; further, the power of the convex lens is 0.50D to 1.50D.

[0041] As a specific embodiment of the present invention, further, a lens or a lens group is provided at and / or behind the main viewing area, and its degree, in addition to correcting the refractive error of the eye, also has the image magnification and distance effect of a convex lens, or the image reduction and expansion of the field of view of a concave lens, thereby increasing the depth of field.

[0042] As a specific embodiment of the present invention, the concave lens has the function of reducing the image and expanding the field of view, and can be used for watching large TVs, etc., which is sometimes very necessary.

[0043] The invention is suitable for use when reading, writing, watching computer or watching TV, and can prevent and treat myopia.

[0044] As a specific implementation of the present invention, it is further described below.

[0045] See also Figure 4 , 6-1-upper plate, 6-2-left side plate, 6-3-right side plate, each is a convex lens, 6-4-lower plate can be a convex lens or not.

[0046] See also Figure 1-Figure 6 The present invention enables the user to consciously or unconsciously see the objects opposite the convex lens become farther and larger at all times when reading and writing, and get rid of the feeling of nearness at any time. The treatment and prevention of myopia is more effective, and the reading and writing are convenient and applicable.

[0047] The convex lens or the magnifying effect of the convex lens is intended to magnify the object being viewed, making it more convenient and labor-saving for the reader to read and write.

[0048] The convex lens in the telephoto area can be a positive flare or a reverse flare, and its angle is as long as it can enable the reader's eyes to consciously or unconsciously see that the objects opposite the convex lens become farther and magnified while reading and writing.

[0049] like Figure 2 The convex lens or lens group 11 is installed in the seat 12 and the threaded cover 13. The seat 12 is fixed to the back of the lower side of the telescope cover 4 by screws. It can also be fixed on the base 1. The lower jaw support plate and the seat are installed on the upper part of the bent rod of the screw deflection lifting adjustment mechanism, and the lower part of the bent rod is locked by screws in the bar hole on the upper part of the lifting adjustment mechanism (as shown in the figure). The lifting mechanism 2 includes a lifting rod, and the lifting rod is locked on the cylinder seat of the lifting mechanism by screws (as shown in the figure); or other lifting mechanisms, etc. When the convex lens 11 has a large area, it can be used to watch the computer, which is very convenient, such as Figure 6 Show.

[0050] Convex lens or lens group 11 can be mounted on Figure 3 and Figure 6 Figure omitted.

[0051] The telescope cover lifting adjustment mechanism and the telescope cover angle adjustment mechanism can also be installed Figure 3 and Figure 6 Figure omitted.

[0052] The support frame 1 is a seat frame; the seat frame may be foldable and portable. Or the support frame 1 is a hanging frame, which is fixedly hung on the roof or wall. Or the support frame 1 is handheld.

[0053] See also Figure 4 , Figure 5 The lower plate 6-4, or the lower side plate 7-1, is a black curtain, a connecting plate or a connecting frame, and the support frame 1 is fixed to the telescope cover through the connecting frame or the connecting plate, or is directly fixed to the top, left or right of the telescope cover.

[0054] When in use, the distance between the eyes and the main viewing area 3 should also be adjusted appropriately to facilitate the use requirements.

[0055] For example, consider astigmatism when prescribing glasses for patients with astigmatism.

[0056] The eye viewing hole is: hole, lens. The lens includes: flat lens, concave lens, convex lens, cylindrical lens, prism, Fresnel lens, bifocal and multifocal lens, aspheric lens, lens group, blue light protection lens, etc. The main reading and writing viewing area 3 is 30mm to 150mm high and 60mm to 300mm wide. The width from the main reading and writing viewing area to the outer edge of the telescope cover is 30mm to 1000mm.

[0057] The book reading and writing table is used for reading, writing and placing books, and is a slanted plate type or a flat plate type.

[0058] The convex lens is a spherical convex lens, or an aspherical convex lens, or a part of a convex lens.

[0059] The eye viewing hole can also be used as a lens to prevent and control myopia and peripheral defocus.

[0060] A frame is installed on the telescope cover of the reading and writing telescope or on a support frame supporting the telescope cover, on which a lighting circuit, a lamp and a control dimming circuit can be installed for lighting during reading and writing.

[0061] When in use, the upper (roof), left and right (surrounding walls) of the room or all the walls and top of the room can be covered with reflectors or distant landscape pictures, so that people can be completely immersed in the distant view and achieve a good visual effect.

[0062] The invention improves the sitting posture, corrects the body shape, and can prevent problems with the cervical vertebrae and lumbar vertebrae.

[0063] The function of the black screen provided below the periphery of the main viewing area is to enable the user to consciously or unconsciously see or feel the black screen at all times when reading and writing, so as to get rid of the feeling of myopia at any time, which is beneficial to the treatment and prevention of myopia. The black screen is made of matte black plate, black velvet, black paint, black plastic or black film.

[0064] Experimental report of the present invention

[0065] 1. Experimental grouping: (experimental time 4 years)

[0066] The effects of the present invention and the prior art product ZL200410098856.3 of the special near-distance defocused vision training myopia prevention and treatment device on the market were compared. 200 people were divided into the experimental group of the invention and 200 people were divided into the comparison group.

[0067] 1) The first control group, 4-12 years old children with myopia and astigmatism: 100 people in the experimental group of the present invention and 100 people in the comparative group.

[0068] 2) The second control group, 13-20 years old adolescent myopia and astigmatism patients: 100 people in the experimental group of the present invention and 100 people in the comparative group.

[0069] 2. Experimental method: Use the same conditions for desk reading and writing, as well as computer, AIP, mobile phone learning and games. Experimental time: no less than 3 hours per day. Check the results after 4 years and make a comparison.

[0070] The experimental group of the present invention used the instrument described in Example 1, 3 or 6.

[0071] Within 4 years, regular check-ups should be conducted for subjective and objective optometry and other items, and analysis of changes in eye refractive power.

[0072] 3. Experimental results:

[0073] 1) Efficacy standards:

[0074] Markedly effective: there is no increase in the objective refraction degree, and the corrected visual acuity is checked at a speed of 1 second when viewing the visual acuity chart. The growth rate of the axial length is lower than the average empirical growth value for the same age, and there is no abnormal change in the B-ultrasound results.

[0075] Effective---the increase in objective refraction degree is lower than the average growth value for the same age, the corrected visual acuity is checked at a speed of 1 second when reading the eye chart, and there is no decrease in visual acuity, the growth rate of the axial length is lower than the average empirical growth value for the same age, and there is no abnormal change in the B-ultrasound results.

[0076] Invalid---the objective refraction degree increases to the average growth value for the same age, the corrected visual acuity is checked at a speed of 1 second, the visual acuity chart is checked, and the visual acuity has decreased, the axial length growth rate is equal to the average empirical growth value for the same age, and there are or are no abnormal changes in the B-ultrasound results.

[0077] 2) Inspection results:

[0078] 1) The first control group: 100 people in the experimental group, 81 people were significantly effective, 18 people were effective, and 1 person was ineffective.

[0079] Comparative group 100: 28 patients showed marked effect, 47 patients showed effective effect, and 25 patients showed ineffective effect.

[0080] 2) The second control group: 100 people in the experimental group, 69 people were significantly effective, 30 people were effective, and 1 person was ineffective.

[0081] There were 100 people in the control group: 34 people were markedly effective, 34 people were effective, and 32 people were ineffective.

[0082] Result analysis:

[0083] Experimental conclusion: Among all 200 children in the experimental group, 150 children, accounting for 75%, completely prevented the increase of diopter by using the present invention (approximately regarded as inhibiting the growth rate of eye axis). Among all 200 children in the comparison group, 62 children, accounting for 31%, completely prevented the increase of diopter by using the existing technology. The present invention has significant therapeutic effect.

[0084] Analysis of ineffective cases in the experimental group: related to genetics and bad behavioral habits.

Claims

1. A reading and writing telescope, characterized by: The invention comprises a telescope and a support frame (1) for supporting the telescope; the telescope comprises a main viewing area (3), the main viewing area (3) being one or a pair of visual apertures for reading, writing or viewing; the main viewing area (3) being 50 mm to 180 mm in height and 65 mm to 250 mm in width; four radial lines are drawn outward from the geometric center of the main viewing area (3) or from the peripheral connecting line of the main viewing area (3), dividing the periphery of the visual aperture into four parts, namely, the upper part, the left part, the right part and the lower part; convex lenses are arranged at the periphery of the main viewing area (3) except the lower part, which is the telescopic area; while reading or writing, the reader or writer can consciously see or unconsciously feel that the object opposite to the convex lens becomes farther and larger through the convex lenses at the periphery of the eyes; a black curtain is also arranged at the lower part of the periphery of the main viewing area (3); The telescopic convex lens arranged outside the main viewing area (3) except the lower part is large enough to cover more than 50% of the peripheral visual field of the eye except the lower part.

2. The reading and writing telescope as claimed in claim 1, characterized in that: The telephoto area convex lens is 0.33D-2.50D.

3. The reading and writing telescope as claimed in claim 1, characterized in that: The overall shape of the telescope cover is divided into convex, concave or flat.

4. The reading and writing telescope as claimed in claim 3, characterized in that: The convex type has an outer side surface of a prism, each of which is a convex lens; the concave type has an inner side surface of a prism, each of which is a convex lens; the prism is a non-regular polygonal prism.

5. The reading and writing telescope as claimed in claim 4, characterized in that: The prism is a non-regular quadrangular prism.

6. The reading and writing telescope as claimed in claim 5, characterized in that: The non-regular quadrangular pyramid has the smallest area at the bottom, followed by the left and right, and the largest area at the top.

7. The reading and writing telescope as claimed in claim 1, characterized in that: The support frame (1) further comprises a telescope cover lifting adjustment mechanism and / or a telescope cover angle adjustment mechanism, which can be adjusted to a suitable reading and writing position for the reader; a chin support plate is arranged below the eye viewing hole; the chin support plate is an up-and-down lifting type or an eccentric lifting type chin support plate.

8. The reading and writing telescope according to any one of claims 1 to 7, characterized in that: A lens or a pair of lenses is provided at and / or behind the main viewing area (3), and the lenses include convex lenses, concave lenses, Fresnel lenses, flat lenses or multi-focal lenses.

9. The telescopic reader according to any one of claims 1 to 7, characterized in that: A lens or lens group is arranged at and / or behind the main viewing area, and its degree can not only correct the refractive error of the eye, but also has the image magnification and distance effect of a convex lens, or the image reduction and expansion of the field of view of a concave lens, thereby increasing the depth of field.

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