CN104656271A - Lens and glasses containing the same - Google Patents
Lens and glasses containing the same Download PDFInfo
- Publication number
- CN104656271A CN104656271A CN201310597009.0A CN201310597009A CN104656271A CN 104656271 A CN104656271 A CN 104656271A CN 201310597009 A CN201310597009 A CN 201310597009A CN 104656271 A CN104656271 A CN 104656271A
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- Prior art keywords
- border
- diopter
- eyeglass
- ring district
- radius
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/024—Methods of designing ophthalmic lenses
- G02C7/027—Methods of designing ophthalmic lenses considering wearer's parameters
Abstract
The invention discloses a lens and glasses containing the same. The projection area of the lens includes, from the inside out, a central region, a first loop region, a second loop region, a third loop region, and a fourth loop region, wherein the diopter of the central region is the myopia degree a, the diopter of the first loop region is 0.96a-0.98a, the diopter of the second loop region is 0.94a-0.96a, the diopter of the third loop region is 0.92a-0.94a, and the diopter of the fourth loop region is 0.89a-0.91a. By applying the lens and glasses provided by the invention to fit the teenager ocular development situation, the lens can be more aligned with the growth need of teenager eyes, thus avoiding juvenile myopia degree increase, reducing eye fatigue, and providing very good correction effect.
Description
Technical field
The present invention relates to a kind of eyeglass and comprise its glasses.
Background technology
The change of axiallength is the key factor causing the diopter of eyes to change.Children and teenager is along with physical development, eyeball expands gradually, and when 7 years old, eyeball leading portion is grown, and therefore the expansion of eyeball prolongs antero posterior axis substantially to stretching, extension, transverse diameter is substantially constant, therefore, children mostly are farsightedness because eyeball back/forth diameter is short, if anteroposterior diameter excessively elongates just become myopia, the myopia number of degrees are higher, eyeball back/forth diameter axial length is also larger, and because transverse diameter is substantially constant, the camber that eyeball certainly will be caused latter half of is also larger.According to relevant selective examination statistics, have the eyeglass of 65% to be false aspherical lens at present on the market, the front and rear surfaces camber curve being embodied in eyeglass is basically identical, and eyeglass central area is large to the diopter mutation differences of periphery.And although the eyeglass of 15% is aspheric surface, of poor quality, showing as eyeglass central area has obvious sudden change to the periphery aspheric surface process of dividing a word with a hyphen at the end of a line, and a direction of front and back lens surface is unreasonable.And in remaining 20% good eyeglass, great majority are external eyeglasses.And the aspherical lens of current correcting spectacle lens is on the market all that adult and teenager are general.For aspherical lens, external aspherical lens mould process precision is good, although the diopter of eyeglass possibility some areas has some changes, lens ensemble can remain on same diopter substantially.And domestic aspherical lens, much due to mould process low precision, do not realize stable diopter, so the diopter of the artificial eyeglass outer ring of design is usually greater than the diopter of inner ring, thus make up the deficiency of technique.But no matter external eyeglass or domestic eyeglass, does not all consider the singularity that teenager's eyeball is grown up, causes the projecting plane of eyeglass focus and the latter half of camber of eyeball to have suitable not conforming to.These eyeglasses of extended wear can cause teen-age myopia degree to continue to rise, and have corrected, the phenomenon that myopia degree increases although cause.
Summary of the invention
The technical problem to be solved in the present invention teen-age myopia degree can be caused to continue the defect risen in order to overcome prior art eyeglass, provides a kind of eyeglass.
The present inventor follows the trail of the growth of teenager's eyes and the relation with myopia thereof through long-term, find: for for making up that technique is not enough and to prepare aspherical lens people be the dioptric design making the diopter of eyeglass outer ring be greater than inner ring, think in prior art that it can be corrected defects of vision, and considerable influence can't be had to teenager's eyes myopia progression, cognitive for this---inventor finds that it is full of prunes, this eyeglass or even can be recognized industry and say jokingly it is " waste oil eyeglass ".Research finds, the eyeglass that no matter external eyeglass domestic, does not all consider the singularity that teenager's eyeball is grown up, and in fact, these eyeglasses of long periods of wear can cause teen-age myopia degree to continue to rise, although i.e. rectification, or myopia degree increases.This phenomenon allows inventor's very worry.Through lot of experiments, solve above-mentioned technical matters eventually through following technical proposals:
A kind of eyeglass, its feature is, the view field of described eyeglass comprises a center, a first ring district, one second Huan Qu, one the 3rd Huan Qu and a Fourth Ring district from inside to outside, wherein, the diopter of described center is myopia degree a, and the diopter in described first ring district is 0.96a-0.98a, and the diopter in described second ring district is 0.94a-0.96a, the diopter in described 3rd ring district is 0.92a-0.94a, and the diopter in described Fourth Ring district is 0.89a-0.91a.A in this programme refers to myopia degree (diopter).Usually said myopia 200 degree, just represent and need the myopia degree a of correcting lens to be that negative sign before-2D(diopter only represents it is the eyeglass of concavees lens, dioptric size should be 2D), near-sighted 300 degree, just need the myopia degree of correcting lens a to be-3D.Eyeglass in this programme diopter from inside to outside diminishes gradually.By the utilization of this programme, make eyeglass more meet the growth needs of teenager's eyeball, the projecting plane of eyeglass focus and the latter half of camber of eyeball meet substantially, decrease unnecessary aberration, avoid the intensification of the adolescent myopia number of degrees.
Preferably, the diopter of described center is myopia degree a, and the diopter in described first ring district is 0.975a, and the diopter in described second ring district is 0.95a, and the diopter in described 3rd ring district is 0.925a, and the diopter in described Fourth Ring district is 0.9a.This programme further ensures rectification effect, reduces visual fatigue.
Preferably, the intersection in described center and described first ring district is the first border, the intersection in described first ring district and described second ring district is the second boundary, the intersection in described second ring district and described 3rd ring district is the 3rd border, the intersection in described 3rd ring district and described Fourth Ring district is the 4th border, the outer shroud border in described Fourth Ring district is the 5th border, and wherein, described first border, the second boundary, the 3rd border, the 4th border and the 5th border have an identical geometric center.When the border in each region has identical geometric center, the production difficulty of eyeglass can be lowered, also can reduce the requirement of designing mould.Described first border of this programme, the second boundary, the 3rd border, the 4th border and the 5th border not do not have the lines of width in theory.In existing production technology, to being smoothing transition processing between different diopter, the eyeglass lens power of the transitional region between each annular region is conventional the seamlessly transitting in this area, those skilled in the art can be able to calculate according to existing formula etc., so described first border, the second boundary, 3rd border, 4th border and the 5th border are in fact all there is certain width, but its width is negligible relative to eyeglass, so closed lines can be regarded as in this programme, instead of carry out steps plus-minus diopter process according to the eyeglass number of degrees.
Preferably, the distance of described first border and described geometric center is 4-9mm, the distance of described the second boundary and described geometric center is 11-14mm, the distance of described 3rd border and described geometric center is 16-19mm, the distance of described 4th border and described geometric center is 21-24mm, and the distance of described 5th border and described geometric center is 26-29mm.The each border of the present embodiment is a numerical range to the distance of geometric center, and borderline each point can get a numerical value in each comfortable numerical range to the distance of geometric center.Such as the first border is oval, and the solstics on described first border and the distance at closest approach geometric distance center obviously can be different.The size of actual eyeglass is limited, and this programme, by rational region allocation, can improve the quality of eyeglass further, further reduces teen-age eyesight and deepens.
Preferably, described first border, the second boundary, the 3rd border, the 4th border and the 5th border are ellipse.For ellipse, each point on ellipse and the distance at center are different.But its span must between the distance (the half length of transverse) at solstics and center, and between the distance at closest approach and center (the half length of ellipse short shaft) these two numerical value.As long as so the distance span at oval upper each point and center drops in the preferred scope of the present invention, be all enforceable.Ellipse in this programme also comprises approximate ellipsoidal, and oval design meets the shape of eyes further, brings better rectification effect.
Preferably, described first border, the second boundary, the 3rd border, the 4th border and the 5th border are circle.Circle in this programme also comprises sub-circular.After each boundary design is circular, is more conducive to processing and produces.And meet the shape of eyes further, bring better rectification effect.
Preferably, the radius on described first border is 4mm, and the radius of described the second boundary is 11mm, and the radius on described 3rd border is 16mm, and the radius on described 4th border is 21mm, and the radius on described 5th border is 26m.The radius on the further preferred each border of this programme, obtains further rectification effect, and reduces the intensification of teen-age eyesight.
Preferably, the radius on described first border is 9mm, and the radius of described the second boundary is 14mm, and the radius on described 3rd border is 19mm, and the radius on described 4th border is 24mm, and the radius on described 5th border is 29mm.The radius on the further preferred each border of this programme, obtains further rectification effect, and reduces the intensification of teen-age eyesight.
Preferably, the radius on described first border is 6mm, and the radius of described the second boundary is 11.5mm, and the radius on described 3rd border is 16.5mm, and the radius on described 4th border is 21.5mm, and the radius on described 5th border is 26.5mm.The radius on the further preferred each border of this programme, obtains further rectification effect, and reduces the intensification of teen-age eyesight.
Preferably, the radius on described first border is 6mm, and the radius of described the second boundary is 12mm, and the radius on described 3rd border is 17mm, and the radius on described 4th border is 22mm, and the radius on described 5th border is 27mm.The radius on the further preferred each border of this programme, obtains further rectification effect, and reduces the intensification of teen-age eyesight.
Eyeglass of the present invention can make of any applicable material, such as glass or resin.Can use polymeric material, polymeric material can any one suitable type, can add thermoplastic or thermosetting material in polymeric material.
A kind of glasses, its feature is, it comprises described eyeglass.
In the present invention, above-mentioned optimum condition can combination in any on the basis meeting this area general knowledge, obtains each preferred embodiment of the present invention.
Positive progressive effect of the present invention is: by utilization of the present invention, to fit teen-age eye developmental state, make eyeglass more meet the growth needs of teenager's eyes, avoid the intensification of the adolescent myopia number of degrees, reduce visual fatigue, provide good rectification effect.
Accompanying drawing explanation
Fig. 1 is view field's composition schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the perspective view of the embodiment of the present invention 1.
Fig. 3 is that the diopter of the embodiment of the present invention 1 detects perspective view.
Fig. 4 is the perspective view of the embodiment of the present invention 2.
Fig. 5 is the perspective view of the embodiment of the present invention 3.
Fig. 6 is the perspective view of the embodiment of the present invention 4.
Fig. 7 is the perspective view of the embodiment of the present invention 5.
Fig. 8 is the perspective view of the embodiment of the present invention 6.
Fig. 9 is the perspective view of the embodiment of the present invention 7.
Figure 10 is the perspective view of the embodiment of the present invention 8.
Embodiment
Enumerate preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the present invention to be described.
Embodiment 1
As shown in Figure 1, the view field of the eyeglass of the present embodiment comprises ring district of first ring district, center 11, one 12,1 second 13, the 3rd ring district 14 and a Fourth Ring district 15 from inside to outside, and center 11 and first ring district 12 intersection are the first border 21, first ring district 12 and the second ring district 13 intersection are that the second boundary 22, second ring district 13 and the 3rd ring district 14 intersection are the 3rd border 23, the 3rd ring district 14 and Fourth Ring district 15 intersection are the 4th border 24, the outer shroud border in Fourth Ring district 15 is the 5th border 25.
As shown in Figure 2, the eyeglass of the present embodiment is circle through the first border of projection, the second boundary, the 3rd border, the 4th border, the 5th border.In figure, O point is the center of circle, is also the projection centre of eyeglass, and its middle conductor oa, ob, oc, od and oe are respectively the radius on the first border, the second boundary, the 3rd border, the 4th border, the 5th border, wherein oa=4mm, ob=11mm, oc=16mm, od=21mm, oe=26mm.
Assuming that the myopia degree a of myopia is-1D(myopia 100 degree), now the diopter (the Ye Ji center number of degrees) of center is-1D, same, by interior outside successively, the diopter in first ring district is-0.975D, the diopter in the second ring district is-0.95D, and the diopter in the 3rd ring district is-0.925D, and the diopter in Fourth Ring district is-0.9D.
View field's outermost of eyeglass nucleus is the 5th border, and the whole structure impact of the lens refractive power outside the 5th border on eyeglass is little, so those skilled in the art can conveniently process.But also still can continue the rule design that diopter successively decreases, like this can more convenient production.
Thus, after the diopter determining whole eyeglass regional, those skilled in the art just can process the eyeglass of the structure meeting as above power prescription according to existing machining eyeglass technology, and can reach effect of the present invention.
Fig. 3 is that the actual refraction degree of the present embodiment detects projection imaging schematic diagram.The region that in figure, color is darker, diopter is larger.In practice, because the technique of the mankind itself limit, the diopter after machining eyeglass can not perfect errorless requirement when reaching design.Each border in Fig. 3 is not the most circular.But from Fig. 3 on the whole, each border still becomes sub-circular on the whole.And the distance at each point and center on border, also can some deviation, as long as but and the radius of design there is no excessive deviation, be all the permissible variation belonging to normal process, the whole structure of eyeglass can not be affected.And be conventional the seamlessly transitting in this area at the diopter of the transitional region (i.e. each border) of each annular region, those skilled in the art can be able to calculate according to existing formula etc.
The eyeglass of the present embodiment can be contained on mirror holder, wears for teenager.But be not limited to glasses, also may be used for other optical applications.
Embodiment 2
As shown in Figure 4, the eyeglass of the present embodiment is circle through the first border of projection, the second boundary, the 3rd border, the 4th border, the 5th border.In figure, O point is the center of circle, is also the projection centre of eyeglass, and its middle conductor oa, ob, oc, od and oe are respectively the radius on the first border, the second boundary, the 3rd border, the 4th border, the 5th border, wherein oa=9mm, ob=14mm, oc=19mm, od=24mm, oe=29mm.
Assuming that the myopia degree a of myopia is-1D(myopia 100 degree), now the diopter (the Ye Ji center number of degrees) of center is-1D, same, by interior outside successively, the diopter in first ring district is-0.975D, the diopter in the second ring district is-0.95D, and the diopter in the 3rd ring district is-0.925D, and the diopter in Fourth Ring district is-0.9D.
View field's outermost of eyeglass nucleus is the 5th border, and the whole structure impact of the lens refractive power outside the 5th border on eyeglass is little, so those skilled in the art can conveniently process.But also still can continue the rule design that diopter successively decreases, like this can more convenient production.
Thus, after the diopter determining whole eyeglass regional, those skilled in the art just can process the eyeglass of the structure meeting as above power prescription according to existing machining eyeglass technology, and can reach effect of the present invention.
Embodiment 3
As shown in Figure 5, the eyeglass of the present embodiment is circle through the first border of projection, the second boundary, the 3rd border, the 4th border, the 5th border.In figure, O point is the center of circle, is also the projection centre of eyeglass, and its middle conductor oa, ob, oc, od and oe are respectively the radius on the first border, the second boundary, the 3rd border, the 4th border, the 5th border, wherein oa=6mm, ob=11.5mm, oc=16.5mm, od=21.5mm, oe=26.5mm.
Assuming that the myopia degree a of myopia is-3D(myopia 300 degree), now the diopter (the Ye Ji center number of degrees) of center is-3D, same, by interior outside successively, the diopter in first ring district is-2.925D, the diopter in the second ring district is-2.85D, and the diopter in the 3rd ring district is-2.775D, and the diopter in Fourth Ring district is-2.7D.
View field's outermost of eyeglass nucleus is the 5th border, and the whole structure impact of the lens refractive power outside the 5th border on eyeglass is little, so those skilled in the art can conveniently process.But also still can continue the rule design that diopter successively decreases, like this can more convenient production.
Thus, after the diopter determining whole eyeglass regional, those skilled in the art just can process the eyeglass of the structure meeting as above power prescription according to existing machining eyeglass technology, and can reach effect of the present invention.
Embodiment 4
As shown in Figure 6, the eyeglass of the present embodiment is circle through the first border of projection, the second boundary, the 3rd border, the 4th border, the 5th border.In figure, O point is the center of circle, is also the projection centre of eyeglass, and its middle conductor oa, ob, oc, od and oe are respectively the radius on the first border, the second boundary, the 3rd border, the 4th border, the 5th border, wherein oa=6mm, ob=12mm, oc=17mm, od=22mm, oe=27mm.
Assuming that the myopia degree a of myopia is-4D(myopia 400 degree), now the diopter (the Ye Ji center number of degrees) of center is-4D, same, by interior outside successively, the diopter in first ring district is-3.92D, the diopter in the second ring district is-3.84D, and the diopter in the 3rd ring district is-3.76D, and the diopter in Fourth Ring district is-3.64D.
View field's outermost of eyeglass nucleus is the 5th border, and the whole structure impact of the lens refractive power outside the 5th border on eyeglass is little, so those skilled in the art can conveniently process.But also still can continue the rule design that diopter successively decreases, like this can more convenient production.
Thus, after the diopter determining whole eyeglass regional, those skilled in the art just can process the eyeglass of the structure meeting as above power prescription according to existing machining eyeglass technology, and can reach effect of the present invention.
Embodiment 5
As shown in Figure 7, the eyeglass of the present embodiment is circle through the first border of projection, the second boundary, the 3rd border, the 4th border, the 5th border.In figure, O point is the center of circle, is also the projection centre of eyeglass, and its middle conductor oa, ob, oc, od and oe are respectively the radius on the first border, the second boundary, the 3rd border, the 4th border, the 5th border, wherein oa=4mm, ob=11mm, oc=16mm, od=21mm, oe=26mm.
Assuming that the myopia degree a of myopia is-2D(myopia 200 degree), now the diopter (the Ye Ji center number of degrees) of center is-2D, same, by interior outside successively, the diopter in first ring district is-1.94D, the diopter in the second ring district is-1.9D, and the diopter in the 3rd ring district is-1.86D, and the diopter in Fourth Ring district is-1.82D.
View field's outermost of eyeglass nucleus is the 5th border, and the whole structure impact of the lens refractive power outside the 5th border on eyeglass is little, so those skilled in the art can conveniently process.But also still can continue the rule design that diopter successively decreases, like this can more convenient production.
Thus, after the diopter determining whole eyeglass regional, those skilled in the art just can process the eyeglass of the structure meeting as above power prescription according to existing machining eyeglass technology, and can reach effect of the present invention.
Embodiment 6
As shown in Figure 8, the eyeglass of the present embodiment is circle through the first border of projection, the second boundary, the 3rd border, the 4th border, the 5th border.In figure, O point is the center of circle, is also the projection centre of eyeglass, and its middle conductor oa, ob, oc, od and oe are respectively the radius on the first border, the second boundary, the 3rd border, the 4th border, the 5th border, wherein oa=9mm, ob=14mm, oc=19mm, od=24mm, oe=29mm.
Assuming that the myopia degree a of myopia is-5D(myopia 500 degree), now the diopter (the Ye Ji center number of degrees) of center is-5D, same, by interior outside successively, the diopter in first ring district is-4.8D, the diopter in the second ring district is-4.7D, and the diopter in the 3rd ring district is-4.6D, and the diopter in Fourth Ring district is-4.45D.
View field's outermost of eyeglass nucleus is the 5th border, and the whole structure impact of the lens refractive power outside the 5th border on eyeglass is little, so those skilled in the art can conveniently process.But also still can continue the rule design that diopter successively decreases, like this can more convenient production.
Thus, after the diopter determining whole eyeglass regional, those skilled in the art just can process the eyeglass of the structure meeting as above power prescription according to existing machining eyeglass technology, and can reach effect of the present invention.
Embodiment 7
As shown in Figure 9, the eyeglass of the present embodiment is ellipse through the first border of projection, the second boundary, the 3rd border, the 4th border, the 5th border.In figure, O point is common geometric center, also be the projection centre of eyeglass, its middle conductor oa, ob, oc, od and oe are respectively the first border, the second boundary, the 3rd border, the 4th border, the solstics on the 5th border and the distance (the half length of numerical value and each transverse) of geometric center, and line segment of, og, oh, oi and oj are respectively the first border, the second boundary, the 3rd border, the 4th border, the closest approach on the 5th border and the distance (the half length of numerical value and each ellipse short shaft) of geometric center.
For ellipse, each point on ellipse and the distance at center are different.But its span must between the distance (the half length of transverse) at solstics and center, and between the distance at closest approach and center (the half length of ellipse short shaft) these two numerical value.As long as so the distance span at oval upper each point and center drops in the preferred scope of the present invention, be all enforceable.
As shown in FIG., in the present embodiment, oa=8mm, ob=13mm, oc=18mm, od=23mm, oe=28mm, of=4mm, og=11mm, oh=16mm, oi=21mm, oj=26mm.
Assuming that the myopia degree a of myopia is-1D(myopia 100 degree), now the diopter (the Ye Ji center number of degrees) of center is-1D, same, by interior outside successively, the diopter in first ring district is-0.98D, the diopter in the second ring district is-0.96D, and the diopter in the 3rd ring district is-0.94D, and the diopter in Fourth Ring district is-0.9D.
View field's outermost of eyeglass nucleus is the 5th border, and the whole structure impact of the lens refractive power outside the 5th border on eyeglass is little, so those skilled in the art can conveniently process.But also still can continue the rule design that diopter successively decreases, like this can more convenient production.
Thus, after the diopter determining whole eyeglass regional, those skilled in the art just can process the eyeglass of the structure meeting as above power prescription according to existing machining eyeglass technology, and can reach effect of the present invention.
Embodiment 8
As shown in Figure 10, the eyeglass of the present embodiment be circle through the first border of projection, and the second boundary, the 3rd border, the 4th border, the 5th border are ellipse.In figure, O point is common geometric center, also be the projection centre of eyeglass, its middle conductor oa and of is the radius on the first border, line segment ob, oc, od and oe are respectively the second boundary, the 3rd border, the 4th border, the solstics on the 5th border and the distance (the half length of numerical value and each transverse) of geometric center, and line segment og, oh, oi and oj are respectively the second boundary, the 3rd border, the 4th border, the closest approach on the 5th border and the distance (the half length of numerical value and each ellipse short shaft) of geometric center.
For ellipse, each point on ellipse and the distance at center are different.But its span must between the distance (the half length of transverse) at solstics and center, and between the distance at closest approach and center (the half length of ellipse short shaft) these two numerical value.As long as so the distance span at oval upper each point and center drops in the preferred scope of the present invention, be all enforceable.
As shown in FIG., in the present embodiment, oa=6mm, ob=13mm, oc=18mm, od=23mm, oe=28mm, of=6mm, og=11mm, oh=16mm, oi=21mm, oj=26mm.
The present embodiment not only comprises the first circular border, also comprises other oval borders.Those skilled in the art can select according to actual conditions, as long as ensure that each borderline point can drop on preferable range, can realize excellent effect.
Assuming that the myopia degree a of myopia is-1D(myopia 100 degree), now the diopter (the Ye Ji center number of degrees) of center is-1D, same, by interior outside successively, the diopter in first ring district is-0.98D, the diopter in the second ring district is-0.95D, and the diopter in the 3rd ring district is-0.94D, and the diopter in Fourth Ring district is-0.9D.
View field's outermost of eyeglass nucleus is the 5th border, and the whole structure impact of the lens refractive power outside the 5th border on eyeglass is little, so those skilled in the art can conveniently process.But also still can continue the rule design that diopter successively decreases, like this can more convenient production.
Thus, after the diopter determining whole eyeglass regional, those skilled in the art just can process the eyeglass of the structure meeting as above power prescription according to existing machining eyeglass technology, and can reach effect of the present invention.
Effect example
This effect example is used for illustrating that eyeglass of the present invention and prior art eyeglass are on the impact of peripheral refractive power, the clear range of vision of periphery and subjective feeling.Method is as follows: select subject, get rid of other eye diseases, do not carry out the inspection of any eye contact, do not worn the contact lens of any type in 2 weeks.And be divided into two large groups by teenager and adult.Each large group is carried out myopia development, subjective scoring and visual fatigue when typical aspheric eyeglass and lens embodiments 1-8 of the present invention respectively by by random sequence, and subjective scoring comprises long distance and low coverage wears mirror comfort level, sharpness and acceptance.
1, myopia development
Each subject to wear after eyeglass after the same time of interval, carries out optometry again, checks whether myopia degree has intensification.
2, Comfort Evaluation
Respectively remote and closely subjective assessment wear the comfort level of eyeglass, sharpness and acceptance.Remote sighting target is object and 3m Snellen sighting target far away in the open visual field of more than 5m; Closely sighting target is the large small font in 40cm place about 0.5.Wherein, comfort level represents whether occur dizziness, affects the malaise symptoms such as walking, reading rate; Sharpness reflects central visual range size, and periphery distortion degree, does not have prism effect substantially; Acceptance reflection, as the acceptance level of joining mirror prescription, adapts to the time length of this eyeglass.
3, visual fatigue
After each subject wears eyeglass, carry out reading 2 hours, investigate in subject's process whether occur that eyes acid is swollen, dizzy.
After the data of above-mentioned 3 class indexs are all added up, list lattice are analyzed.The test result that table one is organized for teenager, the test result that table two is organized for adult.
Table one
Table two
Find that eyeglass of the present invention is respond well through experiment, in comfort level and visual fatigue, have obvious effect.And effectively prevent teen-age myopia development especially.So spectacles of the present invention meet the growth needs of teenager's eyes, avoid the intensification of the adolescent myopia number of degrees, provide good rectification effect.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection scope of the present invention.
Claims (10)
1. an eyeglass, it is characterized in that, the view field of described eyeglass comprises a center, a first ring district, one second Huan Qu, one the 3rd Huan Qu and a Fourth Ring district from inside to outside, wherein, the diopter of described center is myopia degree a, and the diopter in described first ring district is 0.96a-0.98a, and the diopter in described second ring district is 0.94a-0.96a, the diopter in described 3rd ring district is 0.92a-0.94a, and the diopter in described Fourth Ring district is 0.89a-0.91a.
2. eyeglass as claimed in claim 1, it is characterized in that, the diopter of described center is myopia degree a, the diopter in described first ring district is 0.975a, the diopter in described second ring district is 0.95a, and the diopter in described 3rd ring district is 0.925a, and the diopter in described Fourth Ring district is 0.9a.
3. eyeglass as claimed in claim 1, it is characterized in that, the intersection in described center and described first ring district is the first border, the intersection in described first ring district and described second ring district is the second boundary, the intersection in described second ring district and described 3rd ring district is the 3rd border, the intersection in described 3rd ring district and described Fourth Ring district is the 4th border, the outer shroud border in described Fourth Ring district is the 5th border, wherein, described first border, the second boundary, the 3rd border, the 4th border and the 5th border have an identical geometric center.
4. eyeglass as claimed in claim 3, it is characterized in that, the distance of described first border and described geometric center is 4-9mm, the distance of described the second boundary and described geometric center is 11-14mm, the distance of described 3rd border and described geometric center is 16-19mm, the distance of described 4th border and described geometric center is 21-24mm, and the distance of described 5th border and described geometric center is 26-29mm.
5. the eyeglass as described in claim 3 or 4, is characterized in that, described first border, the second boundary, the 3rd border, the 4th border and the 5th border are ellipse.
6. the eyeglass as described in claim 3 or 4, is characterized in that, described first border, the second boundary, the 3rd border, the 4th border and the 5th border are circle.
7. eyeglass as claimed in claim 6, it is characterized in that, the radius on described first border is 4mm, the radius of described the second boundary is 11mm, the radius on described 3rd border is 16mm, and the radius on described 4th border is 21mm, and the radius on described 5th border is 26mm.
8. eyeglass as claimed in claim 6, it is characterized in that, the radius on described first border is 9mm, the radius of described the second boundary is 14mm, the radius on described 3rd border is 19mm, and the radius on described 4th border is 24mm, and the radius on described 5th border is 29mm.
9. eyeglass as claimed in claim 6, it is characterized in that, the radius on described first border is 6mm, the radius of described the second boundary is 12mm, the radius on described 3rd border is 17mm, and the radius on described 4th border is 22mm, and the radius on described 5th border is 27mm.
10. glasses, is characterized in that, it comprises the eyeglass as described in claim 1-9 any one.
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| CN201310597009.0A CN104656271A (en) | 2013-11-22 | 2013-11-22 | Lens and glasses containing the same |
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| CN201310597009.0A CN104656271A (en) | 2013-11-22 | 2013-11-22 | Lens and glasses containing the same |
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| CN104656271A true CN104656271A (en) | 2015-05-27 |
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| CN106154575A (en) * | 2016-08-30 | 2016-11-23 | 戴明华 | A kind of suppress the lens of development of myopia, glasses and read-write instrument |
| CN110324934A (en) * | 2019-05-16 | 2019-10-11 | 彭洲龙 | A kind of control system and desk of Intelligent learning desk lamp |
| CN110573936A (en) * | 2017-05-12 | 2019-12-13 | 依视路国际公司 | method for determining a specific near power of an ophthalmic lens |
| JP2021531496A (en) * | 2018-07-12 | 2021-11-18 | サイトグラス・ヴィジョン・インコーポレイテッド | Methods and Devices for Suppressing Myopia in Children |
| CN115755432A (en) * | 2022-11-25 | 2023-03-07 | 珠海博爱之光科技有限公司 | Prevent lens of motion vertigo |
| US11914228B2 (en) | 2018-01-30 | 2024-02-27 | Sightglass Vision, Inc. | Ophthalmic lenses with light scattering for treating myopia |
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Effective date of registration: 20170516 Address after: 200061 Shanghai Putuo District Shiquan Road No. 475 Huiquan building room 607-613 Applicant after: Shanghai rooted Enterprise Management Consulting Co., Ltd. Address before: Optometry Center No. 19 Fudan ENT Hospital of Shanghai city in 200031 Xuhui District Baoqing Road Applicant before: Chu Renyuan Applicant before: Zhong Li |
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Application publication date: 20150527 |