CN103631031B

CN103631031B - Dynamic progressive multi-focal-point lens

Info

Publication number: CN103631031B
Application number: CN201310462998.2A
Authority: CN
Inventors: 张朝荣
Original assignee: DANYANG BAIYISHI OPTICAL GLASSES Co Ltd
Current assignee: DANYANG BAIYISHI OPTICAL GLASSES Co Ltd
Priority date: 2013-09-30
Filing date: 2013-09-30
Publication date: 2015-03-25
Anticipated expiration: 2033-09-30
Also published as: CN103631031A

Abstract

The invention provides a dynamic progressive multi-focal-point lens which comprises a far lighting region, a near lighting region, a transitional light region and a shaking region, wherein a glasses matching cross of the dynamic progressive multi-focal-point lens is positioned on the far lighting region side on a perpendicular bisector of a horizontal line of the geometric center of the dynamic progressive multi-focal-point lens, and a distance between the glasses matching cross and the horizontal line of the geometric center is 4mm; the transitional light region is 16mm long on a 0.50 astigmatism surface radian, and an average width range of the transitional light region is 4.2-12.5mm on the 0.50 astigmatism surface radian; the minimum width range of the near lighting region is 5.6-13.1mm on the 0.50 astigmatism surface radian; the corresponding maximum width range of the near lighting region is 9.1-16.5mm; the far region angle of the dynamic progressive multi-focal-point lens is 176-184 degrees on the 0.50 astigmatism surface radian. According to the dynamic progressive multi-focal-point lens, image torsion and image jumping can be avoided when a user watches objects with eyes.

Description

A kind of power progressive multi-focus lens

Technical field

The present invention relates to lens technology field, particularly relate to a kind of power progressive multi-focus lens.

Background technology

People with glasses is based on single focus lens for a long time.Single focus lens is all lean on the ciliary muscle of eyes to regulate the distance of eyes and object, and eyes regulate with ciliary muscle for a long time or frequently, and easily make eyes be in fatigue state, eyes will deepen myopia or presbyopic in the past for a long time.The appearance of progressive multi-focus lens solves the phenomenon regulated by eyes, and it regulates by different focus on eyeglass.Progressive multi-focus lens is that a kind of top is far away for seeing, below is used for seeing closely, the eyeglass that the upper and lower number of degrees are different.It is not flip-flop that expenditure far away fixing above eyeglass counts to the nearly number of degrees fixing below eyeglass, but the transition gradually by the incremental change of refractive power between.Progressive multi-focus lens comprises Yuan Yongguang district, transition light district, Jin Yongguang district and rocks district.From the progressive multi-focus lens angle be placed on human eye, light position of using far away is in eyeglass top, and the transition of transition light district, in eyeglass bottom, is passed through between Yuan Yongguang district and Jin Yongguang district in nearly light position of using.The arc border in Yuan Yongguang district, Jin Yongguang district and transition light district surrounds a region jointly in the middle part of progressive multi-focus lens, and in this region towards the both sides of lens edge for rocking district.Progressive multi-focus lens all can obtain eyesight clearly in each distance of visual range, has both met use far away, meets again the use of nearly use and each distance middle.Progressive multi-focus lens solves those existing old light has myopia again; Existing long sight has again the lens wear of the special population of old light, and a pair of glasses can meet all demands.

Traditional progressive multi-focus lens can be divided into soft designs and rigid design two kinds.Soft designs Zhong Yuanyongguang district is longer to the transition passage in Jin Yongguang district, be generally 17mm, 18mm, the more light varience of the focus in designed channel is less, but effective scope of application in Jin Yongguang district is very little, easily make human eye pass through to rock district to go to see things, thus cause scalloping.Rigid design Zhong Yuanyongguang district is shorter to the transition passage in Jin Yongguang district, and in passage, focus is few, and easily cause and jump as phenomenon, the adaptation time of wearer is long.Soft design and rigid design need to produce a lot of mould to meet the demand of different crowd, to the optometry of wearer and matching requirements high.

Visible, on the one hand, the effective range due to dipped beam district is little to be caused human eye to pass through to rock district to go to see things, thus makes scalloping for existing progressive multi-focus lens; On the other hand, because the transition passage of eyeglass is shorter, in passage, focus is few and easily produce jumping picture.

Summary of the invention

The invention provides a kind of power progressive multi-focus lens, to solve the scalloping that existing progressive multi-focus lens exists or the problem of jumping picture.

In order to solve the problem, the invention discloses a kind of power progressive multi-focus lens, described power progressive multi-focus lens comprises: Yuan Yongguang district, Jin Yongguang district, transition light district and rock district, wherein, be transition light district between described Yuan Yongguang district and described Jin Yongguang district, the both sides in described transition light district are for rocking district; Described power progressive multi-focus lens join the side, described Yuan Yongguang district that mirror cross is positioned at the horizontal perpendicular bisector of geometric center of described power progressive multi-focus lens, and the distance between described geometric center horizontal line is 4 millimeters; The reference point in described Yuan Yongguang district is positioned on the horizontal perpendicular bisector of described geometric center, and the distance between described geometric center horizontal line is 8 millimeters; Distance between the reference point in described Jin Yongguang district and described geometric center horizontal line is 12 millimeters, when normally wearing, and the distance between the reference point deflection bridge of the nose direction in described Jin Yongguang district and the horizontal perpendicular bisector of described geometric center is 2.5 millimeters; The length of described transition light district between 0.50 astigmatism face type radian is 16 millimeters, the mean breadth scope of described transition light district between 0.50 astigmatism face type radian is 4.2 to 12.5 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatism face type radian is 5.6 to 13.1 millimeters, corresponding Breadth Maximum scope is 9.1 to 16.5 millimeters, and the far field angle of described power progressive multi-focus lens is 176 to 184 degree between 0.50 astigmatism face type radian.

Preferably, when described power progressive multi-focus lens be zero diopter and under to add light be 1.00 diopter time, the mean breadth scope of described transition light district between 0.50 astigmatism face type radian is 9.5 to 12.5 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatism face type radian is 11.8 to 13.1 millimeters, and corresponding Breadth Maximum scope is 15.4 to 16.5 millimeters.

Preferably, when described progressive multi-focus lens be zero diopter and under to add light be 2.00 diopter time, the mean breadth scope of described transition light district between 0.50 astigmatism face type radian is 6 to 6.3 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatism face type radian is 7.4 to 8.7 millimeters, and corresponding Breadth Maximum scope is 10.8 to 11.8 millimeters.

Preferably, when described power progressive multi-focus lens be zero diopter and under to add light be 3.00 diopter time, the mean breadth scope of described transition light district between 0.50 astigmatism face type radian is 4.2 to 4.3 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatism face type radian is 5.6 to 6.9 millimeters, and corresponding Breadth Maximum scope is 9.1 to 10.1 millimeters.

Preferably, the average width value of described transition light district between 0.50 astigmatism face type radian, by described power progressive multi-focus lens being partial to the width value that the spacing of described side, Yuan Yongguang district and described geometric center horizontal line is the described transition light district that 4 millimeters are located, the width value in transition light district described in described geometric center horizontal line place, the distance of being partial between described side, Jin Yongguang district and described geometric center horizontal line is the width value in the described transition light district that 4 millimeters are located, the width value calculating mean value in the distance of being partial between described side, Jin Yongguang district and described geometric center horizontal line to be the width value in the described transition light district that 8 millimeters are located and the distance of being partial between described side, Jin Yongguang district and described geometric center horizontal line the be described transition light district that 12 millimeters are located obtains.

Preferably, the transition light district of described power progressive multi-focus lens between 0.5 astigmatism face type radian is: between 0.5 astigmatism face type radian, be 4 millimeters is the region that 12 millimeters of places surround to the distance of being partial between described side, Jin Yongguang district and described geometric center horizontal line from the described side, Yuan Yongguang district of deflection and the spacing of described geometric center horizontal line.

Preferably, the minimum widith of described Jin Yongguang district between 0.50 astigmatism face type radian is: between 0.50 astigmatism face type radian, and the distance in described Jin Yongguang district and between described geometric center horizontal line is 13 millimeters of light sector widths located.

Preferably, the Breadth Maximum of described Jin Yongguang district between 0.50 astigmatism face type radian is: between 0.50 astigmatism face type radian, and the distance in described Jin Yongguang district and between described geometric center horizontal line is 18 millimeters of light sector widths located.

Preferably, described power progressive multi-focus lens has front camber 1.00 diopter, 2.00 diopters, 4.00 diopters or 6.00 dioptric kinking structures.

Compared with prior art, the present invention has the following advantages:

Power progressive multi-focus lens provided by the invention, still has the transition light district that mean breadth is 4.2 to 12.5 millimeters between 0.5 astigmatism face type radian; The minimum widith scope in Jin Yongguang district is 5.6 to 13.1 millimeters, corresponding Breadth Maximum scope can reach 9.1 to 16.5 millimeters, effective usable floor area in Jin Yongguang district is large, adopt the power progressive multi-focus lens in the present invention, by Jin Yongguang district more large-area than tradition, avoid human eye and go to see things and the scalloping caused by rocking district; Meanwhile, the Design of length in transition light district is 16 millimeters, and while such design makes to ensure that transition light district area is larger, the focus number in transition light district is moderate.Avoid in rigid design, transition light section length is such as designed to 14 millimeters by the shorter of the Design of length in transition light district, and the problem that in the transition light district brought, focus is less, ensure that the number of degrees of the eyeglass of progressive additional are incremental uniform changes, human eye can not produce jumping picture when seeing things.By the power progressive multi-focus lens in the present invention, solve the scalloping existed in existing multifocal lens or the problem of jumping picture.In addition, the power progressive multi-focus lens in the present invention, ensure that people soon things time can not cause scalloping and jump while picture, angle far away can reach 180 degree, has broad Yuan Yongguang district, human eye is had and wider looks far region.Broad far region and territory, near reading range is looked because the power progressive multi-focus lens in the present invention has, even if the person that therefore joins mirror is when moving or drive, human eye still can not depart from the effective coverage of eyeglass, still can remove to see things nearby by territory, near reading range, by going depending on far region to see things at a distance.Power progressive multi-focus lens in the present invention not only can meet when namely traditional progressive multi-focus lens is read newspaper or looked at the blackboard etc. under the person that joins mirror is in static environment to be worn, can also meet such as to drive under the person that joins mirror is in dynamic environment or motion time wear.

Accompanying drawing explanation

Fig. 1 is the structure chart of a kind of power progressive multi-focus lens of the embodiment of the present invention one;

Fig. 2 be the front camber of the embodiment of the present invention two be 1.00 diopter zero diopters and under add the post light figure that light is 1.00 dioptric power progressive multi-focus lens;

Fig. 3 be the front camber of the embodiment of the present invention two be 2.00 diopter zero diopters and under add the post light figure that light is 1.00 dioptric power progressive multi-focus lens;

Fig. 4 be the front camber of the embodiment of the present invention two be 4.00 diopter zero diopters and under add the post light figure that light is 1.00 dioptric power progressive multi-focus lens;

Fig. 5 be the front camber of the embodiment of the present invention two be 6.00 diopter zero diopters and under add the post light figure that light is 1.00 dioptric power progressive multi-focus lens;

Fig. 6 is all light figure of the power progressive multi-focus lens shown in Fig. 2;

Fig. 7 is all light figure of the power progressive multi-focus lens shown in Fig. 3;

Fig. 8 is all light figure of the power progressive multi-focus lens shown in Fig. 4;

Fig. 9 is all light figure of the power progressive multi-focus lens shown in Fig. 5;

Figure 10 is the ball light figure of the power progressive multi-focus lens shown in Fig. 2;

Figure 11 is the ball light figure of the power progressive multi-focus lens shown in Fig. 3;

Figure 12 is the ball light figure of the power progressive multi-focus lens shown in Fig. 4;

Figure 13 is the ball light figure of the power progressive multi-focus lens shown in Fig. 5;

Figure 14 is the change curve that its equal ball light of change that the power progressive multi-focus lens shown in Fig. 2 follows the distance of channel direction adds light and post light and adds light;

Figure 15 is the change curve that its equal ball light of change that the power progressive multi-focus lens shown in Fig. 3 follows the distance of channel direction adds light and post light and adds light;

Figure 16 is the change curve that its equal ball light of change that the power progressive multi-focus lens shown in Fig. 4 follows the distance of channel direction adds light and post light and adds light;

Figure 17 is the change curve that its equal ball light of change that the power progressive multi-focus lens shown in Fig. 5 follows the distance of channel direction adds light and post light and adds light;

Figure 18 is the power progressive multi-focus lens shown in Fig. 2 along the change curve of eyeglass coordinate system X-axis its post light from left to right;

Figure 19 is the power progressive multi-focus lens shown in Fig. 3 along the change curve of eyeglass coordinate system X-axis its post light from left to right;

Figure 20 is the power progressive multi-focus lens shown in Fig. 4 along the change curve of eyeglass coordinate system X-axis its post light from left to right;

Figure 21 is the power progressive multi-focus lens shown in Fig. 5 along the change curve of eyeglass coordinate system X-axis its post light from left to right;

Figure 22 be the front camber of the embodiment of the present invention three be 1.00 diopter zero diopters and under add the post light figure that light is 2.00 dioptric power progressive multi-focus lens;

Figure 23 be the front camber of the embodiment of the present invention three be 2.00 diopter zero diopters and under add the post light figure that light is 2.00 dioptric power progressive multi-focus lens;

Figure 24 be the front camber of the embodiment of the present invention three be 4.00 diopter zero diopters and under add the post light figure that light is 2.00 dioptric power progressive multi-focus lens;

Figure 25 be the front camber of the embodiment of the present invention three be 6.00 diopter zero diopters and under add the post light figure that light is 2.00 dioptric power progressive multi-focus lens;

Figure 26 is all light figure of the power progressive multi-focus lens shown in Figure 22;

Figure 27 is all light figure of the power progressive multi-focus lens shown in Figure 23;

Figure 28 is all light figure of the power progressive multi-focus lens shown in Figure 24;

Figure 29 is all light figure of the power progressive multi-focus lens shown in Figure 25;

Figure 30 is the ball light figure of the power progressive multi-focus lens shown in Figure 22;

Figure 31 is the ball light figure of the power progressive multi-focus lens shown in Figure 23;

Figure 32 is the ball light figure of the power progressive multi-focus lens shown in Figure 24;

Figure 33 is the ball light figure of the power progressive multi-focus lens shown in Figure 25;

Figure 34 is the change curve that its equal ball light of change that the power progressive multi-focus lens shown in Figure 22 follows the distance of channel direction adds light and post light and adds light;

Figure 35 is the change curve that its equal ball light of change that the power progressive multi-focus lens shown in Figure 23 follows the distance of channel direction adds light and post light and adds light;

Figure 36 is the change curve that its equal ball light of change that the power progressive multi-focus lens shown in Figure 24 follows the distance of channel direction adds light and post light and adds light;

Figure 37 is the change curve that its equal ball light of change that the power progressive multi-focus lens shown in Figure 25 follows the distance of channel direction adds light and post light and adds light;

Figure 38 is the power progressive multi-focus lens shown in Figure 22 along the change curve of eyeglass coordinate system X-axis its post light from left to right;

Figure 39 is the power progressive multi-focus lens shown in Figure 23 along the change curve of eyeglass coordinate system X-axis its post light from left to right;

Figure 40 is the power progressive multi-focus lens shown in Figure 24 along the change curve of eyeglass coordinate system X-axis its post light from left to right;

Figure 41 is the power progressive multi-focus lens shown in Figure 25 along the change curve of eyeglass coordinate system X-axis its post light from left to right;

Figure 42 be the front camber of the embodiment of the present invention four be 1.00 diopter zero diopters and under add the post light figure that light is 3.00 dioptric power progressive multi-focus lens;

Figure 43 be the front camber of the embodiment of the present invention four be 2.00 diopter zero diopters and under add the post light figure that light is 3.00 dioptric power progressive multi-focus lens;

Figure 44 be the front camber of the embodiment of the present invention four be 4.00 diopter zero diopters and under add the post light figure that light is 3.00 dioptric power progressive multi-focus lens;

Figure 45 be the front camber of the embodiment of the present invention four be 6.00 diopter zero diopters and under add the post light figure that light is 3.00 dioptric power progressive multi-focus lens;

Figure 46 is all light figure of the power progressive multi-focus lens shown in Figure 42;

Figure 47 is all light figure of the power progressive multi-focus lens shown in Figure 43;

Figure 48 is all light figure of the power progressive multi-focus lens shown in Figure 44;

Figure 49 is all light figure of the power progressive multi-focus lens shown in Figure 45;

Figure 50 is the ball light figure of the power progressive multi-focus lens shown in Figure 42;

Figure 51 is the ball light figure of the power progressive multi-focus lens shown in Figure 43;

Figure 52 is the ball light figure of the power progressive multi-focus lens shown in Figure 44;

Figure 53 is the ball light figure of the power progressive multi-focus lens shown in Figure 45;

Figure 54 is the change curve that its equal ball light of change that the power progressive multi-focus lens shown in Figure 42 follows the distance of channel direction adds light and post light and adds light;

Figure 55 is the change curve that its equal ball light of change that the power progressive multi-focus lens shown in Figure 43 follows the distance of channel direction adds light and post light and adds light;

Figure 56 is the change curve that its equal ball light of change that the power progressive multi-focus lens shown in Figure 44 follows the distance of channel direction adds light and post light and adds light;

Figure 57 is the change curve that its equal ball light of change that the power progressive multi-focus lens shown in Figure 45 follows the distance of channel direction adds light and post light and adds light;

Figure 58 is the power progressive multi-focus lens shown in Figure 42 along the change curve of eyeglass coordinate system X-axis its post light from left to right;

Figure 59 is the power progressive multi-focus lens shown in Figure 43 along the change curve of eyeglass coordinate system X-axis its post light from left to right;

Figure 60 is the power progressive multi-focus lens shown in Figure 44 along the change curve of eyeglass coordinate system X-axis its post light from left to right;

Figure 61 is the power progressive multi-focus lens shown in Figure 45 along the change curve of eyeglass coordinate system X-axis its post light from left to right.

Detailed description of the invention

For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.

Embodiment one

With reference to Fig. 1, show the structure chart of a kind of power progressive multi-focus lens of the present invention.

Power progressive multi-focus lens in the present embodiment adopts the neutralisation of progressive additional to design, comprise: Yuan Yongguang district 102, Jin Yongguang district 104, transition light district 106 and rock district 108, wherein, be transition light district 106 between Yuan Yongguang district 102 and Jin Yongguang district 104, the both sides in transition light district are for rocking district 108.Transition light district 106 is that power progressive multi-focus lens is from Yuan Yongguang district to the transition passage in Jin Yongguang district.The Yuan Yongguang district 102 of power progressive multi-focus lens only has a stable luminosity, can see things at a distance clearly; Jin Yongguang district also only has a stable luminosity, only to see things nearby clearly; By Yuan Yongguang district, to be one section of human eyes see that things is transitioned into transitional region when seeing things by Jin Yongguang district in transition light district 106, in this region, the regular change of the eyeglass number of degrees, can be seen clearly the things of middle distance by this region human eye; Rock the region that district 108 is light variences, see that thing human eye can feel fuzzy by this region.

The transition light district of power progressive multi-focus lens between 0.5 astigmatism face type radian, Jin Yongguang district and Yuan Yongguang district is described in the present embodiment.It should be noted that, 0.5 astigmatism face is an astigmatism face selected when measuring, and also can choose the transition light district between 1.0 astigmatism face type radians or the transition light district between other astigmatism face type radians.Why select 0.5 astigmatism face, be because the transition light district between 0.5 astigmatism face type radian is the scope that human eye can accept, namely can not feel uncomfortable scope.Its transitional region of increase along with the astigmatism face number of degrees also can become large, but when human eye goes to see things, non-comfort also can be stronger.

Power progressive multi-focus lens join the side, Yuan Yongguang district that mirror cross 110 is positioned at the perpendicular bisector of the geometric center horizontal line 112 of power progressive multi-focus lens, and the distance between geometric center horizontal line 112 is 4 millimeters; Wherein, owing to being all circular when eyeglass dispatches from the factory, and all there are above-mentioned five Ge Guang districts, for the ease of joining mirror, designer can arrange geometric center horizontal line 112 for eyeglass, the geometric center horizontal line 112 of eyeglass arranges along the diameter of eyeglass, makes the Yuan Yongguang district 102 of eyeglass and Jin Yongguang district 104 lay respectively at the both sides of geometric center horizontal line 112 when arranging.The reference point 114 in Yuan Yongguang district 102 is positioned on the perpendicular bisector of geometric center horizontal line 112, and the distance between geometric center horizontal line 112 is 8 millimeters; Distance between the reference point 116 in Jin Yongguang district 104 and geometric center horizontal line 112 is 12 millimeters, when normally wearing, and reference point 116 distance of being partial between bridge of the nose direction and the horizontal perpendicular bisector of geometric center in Jin Yongguang district is 2.5 millimeters.Because human eye is when using Yuan Yongguang district to look far away, pupil amplifies, and when using Jin Yongguang district to look near, pupil does not need to amplify, and the gradually multifocal lens therefore in the present embodiment is provided with read point displacement, and size is 2.5 millimeters.When normal wearing spectacles, the reference point in the Jin Yongguang district of left and right eyeglass is all partial to 2.5 millimeters, bridge of the nose direction.

The length of transition light district 106 between 0.50 astigmatism face type radian of power progressive multi-focus lens is 16 millimeters, and the mean breadth scope of transition light district 106 between 0.50 astigmatism face type radian is 4.2 to 12.5 millimeters; Wherein, the transition light district of power progressive multi-focus lens is not the region of rule, is not a rectangular region, therefore its width uneven.Along with the change of the spacing with geometric center horizontal line, the width in transition light district also can change, such as: the width being 8 millimeters of transition light districts of place at geometric distance central horizontal linear distance is 7.4 millimeters, geometric distance central horizontal linear distance is that the width in 12 millimeters of transition light districts of place is then 11.8 millimeters.Therefore, mean breadth is used to be described transition light district in the present embodiment.Wherein, mean breadth carries out value by the width in the transition light district at the geometric center horizontal line different distance place that adjusts the distance, and is averaging by these width values to obtain.A kind of preferred value mode is: these width value calculating mean values are obtained the mean breadth in transition light district by the width value getting on geometric center horizontal line 4 millimeters, 8 millimeters and the 12 millimeters transition light districts located under 4 millimeters of places, geometric center horizontal line place, geometric center horizontal line respectively.

The minimum widith scope of Jin Yongguang district 104 between 0.50 astigmatism face type radian of power progressive multi-focus lens is 5.6 to 13.1 millimeters, and corresponding Breadth Maximum scope is 9.1 to 16.5 millimeters.Wherein, these width range values obtain after adding up the minimum widith and Breadth Maximum value that add the Jin Yongguang district of the power progressive multi-focus lens of luminosity under each different front camber difference.The corresponding minimum widith in Jin Yongguang district of each power progressive multi-focus lens and a Breadth Maximum.As, when minimum widith is 5.6 millimeters, the Breadth Maximum of its correspondence is 9.1 millimeters.For another example, when minimum widith is 13.1 millimeters, the Breadth Maximum of its correspondence is 16.5 millimeters.And, minimum width value in the Jin Yongguang district of each power progressive multi-focus lens of statistics, Breadth Maximum are worth simultaneously, also calculate the average width value in the transition light district of each power progressive multi-focus lens, carry out the mean breadth in the transition light district of each power progressive multi-focus lens to add up the mean breadth scope in the transition light district obtained described in the present embodiment.The far field angle of power progressive multi-focus lens is 176 to 184 degree between 0.50 astigmatism face type radian.Wherein, the visible angle of far field angle in Yuan Yongguang district when to be human eye see things at a distance by power progressive multi-focus lens.The far field angle that power progressive multi-focus lens measurement in the present embodiment obtains is 180 degree, and measuring work difference is +/-4 degree, and Yuan Yongguang district is 180 degree of Yuan Yongguang district non-blind areas showing this power progressive multi-focus lens, can make full use of.

Power progressive multi-focus lens in the present embodiment, still has the transition light district that mean breadth is 4.2 to 12.5 millimeters between 0.5 astigmatism face type radian; The minimum widith scope in Jin Yongguang district is 5.6 to 13.1 millimeters, corresponding Breadth Maximum scope can reach 9.1 to 16.5 millimeters, effective usable floor area in Jin Yongguang district is large, by Jin Yongguang district more large-area than tradition, has kept away the scalloping of exempting from human eye and causing by rocking district and going to see things.Meanwhile, the transition light section length of the power progressive multi-focus lens in the present embodiment be designed to 16 millimeters, while such design makes to ensure that transition light district area is larger, the focus number in transition light district is moderate.Avoid in rigid design, transition light section length is such as designed to 14 millimeters by the shorter of the Design of length in transition light district, and the problem that in the transition light district brought, focus is less, ensure that the number of degrees of the eyeglass of progressive additional are incremental uniform changes, human eye can not produce jumping picture when seeing things.By the power progressive multi-focus lens in the present embodiment, solve the scalloping existed in existing multifocal lens or the problem of jumping picture.In addition, the power progressive multi-focus lens in the present embodiment, ensure that people soon things time can not cause scalloping and jump while picture, far field angle can reach 180 degree, has broad Yuan Yongguang district, human eye is had and wider looks far region.Broad far region and territory, near reading range is looked because the power progressive multi-focus lens in the present invention has, even if the person that therefore joins mirror is when moving or drive, human eye still can not depart from the effective coverage of eyeglass, still can remove to see things nearby by territory, near reading range, by going depending on far region to see things at a distance.Power progressive multi-focus lens in the present invention not only can meet when namely traditional progressive multi-focus lens is read newspaper or looked at the blackboard etc. under the person that joins mirror is in static environment to be worn, can also meet such as to drive under the person that joins mirror is in dynamic environment or motion time wear.

Embodiment two

Embodiment have employed the mean breadth scope in transition light district of the power progressive multi-focus lens of progressive neutralisation design for a pair and the Free Region scope in Jin Yongguang district is illustrated, in the present embodiment respectively for have front camber be 1.00,2.00,4.00 and 6.00 diopter zero diopters and under to add light be 1.00 dioptric power progressive multi-focus lens, be described in detail adopting the power progressive multi-focus lens of progressive neutralisation design.

In order to clearer, power progressive multi-focus lens is described in the present embodiment, selects the transition light district between 0.5 astigmatism face type radian, Jin Yongguang district and Yuan Yongguang district.And using the geometry horizontal line of power progressive multi-focus lens as X-axis, the horizontal perpendicular bisector of geometric center is Y-axis; Form a coordinate system, scale is carried out to each particular location of power progressive multi-focus lens.The Y direction of power progressive multi-focus lens is a passage, and it runs through eyeglass Jin Yongguang district, transition light district and Yuan Yongguang district, and nearly light position of using is in the negative semiaxis of Y-axis, and light position of using far away is in the positive axis of Y-axis.Transition light district is between 0.5 astigmatism face type radian, and being 4 millimeters from the spacing of deflection side, Yuan Yongguang district and geometric center horizontal line (Y-axis coordinate is 0), namely Y-axis positive axis scale is 4 millimeters (Y-axis coordinate is 4 millimeters) to the distance of being partial between side, Jin Yongguang district and geometric center horizontal line that to be 12 millimeters be that Y-axis bears half axis scale is-12 millimeters of regions located (Y-axis coordinate is-12 millimeters) and surround.The light sector width at the minimum widith in Jin Yongguang district to be distance between geometric center horizontal line be 13 millimeters of (Y-axis coordinate is-13 millimeters) places, the light sector width at the Breadth Maximum in corresponding Jin Yongguang district to be distance between geometric center horizontal line be 18 millimeters of (Y-axis coordinate is-18 millimeters) places.It should be noted that, the restriction of the above-mentioned Y-axis coordinate to coordinate system and transition light district is applicable to each embodiment below too.

The refractive index of the power progressive multi-focus lens in the present embodiment is 1.56; The far point height Ji Yuanyongguang district horizontal height of reference point distance eyeglass geometry is 8 millimeters; Joining mirror height, namely to join mirror cross distance eyeglass geometry horizontal height be 4 millimeters; Read point Ji Jinyongguang district reference point, the horizontal height of read point height Ji Jinyongguang district reference point distance eyeglass geometry, because the height of read point is positioned under geometry horizontal line, so be highly-12 millimeters; The distance in reference point deflection bridge of the nose direction, read point displacement Ji Jinyongguang district is 2.5 millimeters.

Front camber be 1.00 diopter zero diopters and under to add light be 1.00 diopter power progressive multi-focus lens, its Yuan Yongguang district equal luminosity of surface radian is 0.508 diopter, and post luminosity is 0.025 diopter; Joining and a little adding the equal luminosity of light is 0.003 diopter, and post luminosity is 0.034; It is 0.999 diopter that read point adds the equal luminosity of light, and post luminosity is 0.036 diopter; Light is 1.077 diopters the most greatly, and overflow 0.77 diopter.

Front camber be 2.00 diopter zero diopters and under to add light be 1.00 diopter power progressive multi-focus lens, its Yuan Yongguang district equal luminosity of surface radian is 1.044 diopters, and post luminosity is 0.016 diopter; Joining and a little adding the equal luminosity of light is 0.003 diopter, and post luminosity is 0.057; It is 0.999 diopter that read point adds the equal luminosity of light, and post luminosity is 0.034 diopter; Light is 1.066 diopters the most greatly, and overflow 0.067 diopter.

Front camber be 4.00 diopter zero diopters and under to add light be 1.00 diopter power progressive multi-focus lens, its Yuan Yongguang district equal luminosity of surface radian is 2.075 diopters, and post luminosity is 0.013 diopter; Joining and a little adding the equal luminosity of light is 0.019 diopter, and post luminosity is 0.038; It is 1.001 diopters that read point adds the equal luminosity of light, and post luminosity is 0.043 diopter; Light is 1.034 diopters the most greatly, and overflow 0.034 diopter.

Front camber be 6.00 diopter zero diopters and under to add light be 1.00 diopter power progressive multi-focus lens, its Yuan Yongguang district equal luminosity of surface radian is 3.168 diopters, and post luminosity is 0.003 diopter; Joining and a little adding the equal luminosity of light is 0.012 diopter, and post luminosity is 0.053; It is 1.001 diopters that read point adds the equal luminosity of light, and post luminosity is 0.053 diopter; Light is 1.032 diopters the most greatly, and overflow 0.031 diopter.

Foregoing is the description of the basic parameter to each power progressive multi-focus lens in the present embodiment, draws to mark on a map below analyze the post light of each power progressive multi-focus lens in the present embodiment, all luminosity and ball luminosity.

Show the post light figure of each power progressive multi-focus lens in the present embodiment with reference to Fig. 2-5, wherein, abscissa is corresponding with the abscissa of power progressive multi-focus lens, and ordinate is corresponding with the abscissa of power progressive multi-focus lens, and unit is all millimeter and mm.As can be seen from Fig. 2-5, arbitrary figure all, power progressive multi-focus lens in the present embodiment is the Yuan Yongguang district of row, effective usable floor area in transition light district and Jin Yongguang district and effective coverage between 0.5 astigmatism face type radian, by this region, human eye sees that things can not feel uncomfortable, both people can have been met far away soon, can see again apart from moderate things, in-plant things can also be seen simultaneously.It can also be seen that from figure, the transition light district of this eyeglass and to rock district's astigmatism change mild, effective usable floor area in Jin Yongguang district is large, and the far field angle simultaneously in Yuan Yongguang district, close to 180 degree, shows that this power progressive multi-focus lens has broad Yuan Yongguang district.

All light figure of each power progressive multi-focus lens in the present embodiment is shown with reference to Fig. 6-9, the ball light figure of the power progressive multi-focus lens in the present embodiment is shown with reference to Figure 10-13, wherein, abscissa in figure is corresponding with the abscissa of power progressive multi-focus lens, ordinate is corresponding with the abscissa of power progressive multi-focus lens, and unit is all millimeter and mm.Can be found out by Fig. 6-13, the region that the curve including numeral 0 in figure surrounds is Yuan Yongguang district, represent that under Yuan Yongguang district medium power progressive multi-focus lens, add light is 0 diopter, and the far field angle in Yuan Yongguang district can reach 180 degree.It can also be seen that from figure, light is added from Yuan Yongguang district to the mild and basic dull increase of Jin Yongguang district and reading area under power progressive multi-focus lens, and add light under this power progressive multi-focus lens and be 1.00 diopters to the maximum, the region that the curve as included numeral 1 in figure surrounds.

Show with reference to Figure 14-17 its equal ball light of change that power progressive multi-focus lens follows the distance of channel direction and add the change curve that light and post light adds light, wherein, in figure, abscissa is that to follow the distance of channel direction namely corresponding with the ordinate of power progressive multi-focus lens, and its unit is millimeter and mm; Ordinate is that equal ball light adds light, and its unit is diopter.The equal ball light that namely curve with circle in Figure 14-17 follows the change power progressive multi-focus lens of the distance of channel direction adds the change curve of light; The post light that namely smooth curve follows the change power progressive multi-focus lens of the distance of channel direction adds the change curve of light.Follow the change of the distance of channel direction, namely along the change of the Y-axis in the coordinate system of power progressive multi-focus lens.As can be seen from the curve of the band circle shown in Figure 14-17, the lowermost end in power progressive multi-focus lens Jin Yongguang district to its equal ball light of the top in Yuan Yongguang district adds light and evenly successively decreases, and it is uniform that result shows that the equal ball light of this eyeglass adds light gradual change.As can be seen from smooth curve, power progressive multi-focus lens is along with its astigmatism distribution of change of the distance of channel direction is about 0.1 diopter, and change very even, in whole passage, astigmatism degree is little, such power progressive multi-focus lens can effectively reduce people soon things time visual distortion sense and number of degrees error.

Show the change curve of power progressive multi-focus lens along eyeglass coordinate system X-axis its post light from left to right with reference to Figure 18-21, wherein, in figure, abscissa is that X distance is namely corresponding with the abscissa of power progressive multi-focus lens, and its unit is millimeter and mm; Ordinate is post light, and its unit is diopter.Namely what the curve with circle was described is joins the change curve of below mirror cross 17 millimeters of places along the X-axis post light of power progressive multi-focus lens from left to right joining mirror point; What the curve of band fork was described is joining the change curve of below mirror point 22 millimeters of places along the X-axis post light of power progressive multi-focus lens from left to right.From Figure 18-21, arbitrary figure all can draw, when ordinate is 0.5 diopter, joining below mirror point 17 millimeters i.e. Y-axis coordinate is the channel width at-13 millimeters of places, and this channel width is the minimum widith in the Jin Yongguang district of power progressive multi-focus lens.Wherein, the X-axis in this curve map represents the width of passage.Owing to will leave the surplus of 1 millimeter when choosing the reference point in Jin Yongguang district when joining mirror, therefore the minimum width value in Jin Yongguang district has been located at Y-axis coordinate for-13 millimeters of places, is-12 millimeters, Y-axis coordinate place in theory.From Figure 18-21, arbitrary figure all can also draw, joining below mirror point 22 millimeters i.e. Y-axis coordinate is the channel width at-18 millimeters of places, i.e. the Breadth Maximum in the Jin Yongguang district of power progressive multi-focus lens.

Each figure above-mentioned just characterizes the passage of each power progressive multi-focus lens in the present embodiment respectively from different perspectives.Below in the form of a table, concrete the passage of each power progressive multi-focus lens to be analyzed.Wherein, table 1 to be front camber be 1.00 diopter zero diopters and under add the multichannel analysis table that light is 1.00 dioptric power progressive multi-focus lens.

Table 1

As shown in table 1: the Y-axis coordinate in the transition light district of power progressive multi-focus lens is 4 to-12 millimeters, the length in known transition light district is 16 millimeters.In transition light district, selecting Y-axis coordinate to be 4,0 ,-4 ,-8 and-12 is test point, tests each coordinate place transition light sector width, i.e. the channel width of transition light district part.As can be seen from the table, five each self-corresponding channel widths of coordinate, by the width of these five passages, average, and the mean breadth that can obtain transition light district is 9.5 millimeters.Simultaneously, give the minimum widith in Jin Yongguang district and Breadth Maximum in table 1 and be respectively the effective width value that Y-axis coordinate is-13 Jin Yongguang districts corresponding with-18, the minimum widith in Jin Yongguang district is 12.6 millimeters, the Breadth Maximum in Jin Yongguang district is 16.0 millimeters, and these two values are corresponding with the channel width of two curves provided in Figure 18 between 0.5 astigmatism face type radian.Give in table 1, the far field angle of power progressive multi-focus lens is 180 degree, and wherein work difference is +/-4 degree, and the highest astigmatism in bridge of the nose place of eyeglass is 1.03 diopters, and when joining mirror, astigmatism is that 1.03 dioptric parts can be cut off.The highest astigmatism in temporal bone place is 0.97 diopter.

Table 2 for front camber be 2.00 diopter zero diopters and under add the multichannel analysis table that light is 1.00 dioptric power progressive multi-focus lens.

Table 2

As shown in table 2, the mean breadth in the transition light district of power progressive multi-focus lens is 12.2 millimeters, the minimum widith in Jin Yongguang district is 12.5 millimeters, the Breadth Maximum in Jin Yongguang district is 16.0 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 1.05 diopters, and the highest astigmatism in temporal bone place is 0.97 diopter.

Table 3 for front camber be 4.00 diopter zero diopters and under add the multichannel analysis table that light is 1.00 dioptric power progressive multi-focus lens.

Table 3

As shown in table 3, the mean breadth in the transition light district of power progressive multi-focus lens is 12.5 millimeters, the minimum widith in Jin Yongguang district is 12.4 millimeters, the Breadth Maximum in Jin Yongguang district is 15.9 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 1.04 diopters, and the highest astigmatism in temporal bone place is 0.96 diopter.

Table 4 for front camber be 6.00 diopter zero diopters and under add the multichannel analysis table that light is 1.00 dioptric power progressive multi-focus lens.

Table 4

As shown in table 4, the mean breadth in the transition light district of power progressive multi-focus lens is 12.3 millimeters, the minimum widith in Jin Yongguang district is 12.3 millimeters, the Breadth Maximum in Jin Yongguang district is 15.9 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 1.06 diopters, and the highest astigmatism in temporal bone place is 0.99 diopter.

Power progressive multi-focus lens in the present embodiment be zero diopter and under to add light be 1.00 dioptric power progressive multi-focus lens.Can be drawn by the Data Summary in above-mentioned four tables, when power progressive multi-focus lens be zero diopter and under to add light be 1.00 diopter time, the mean breadth scope of transition light district between 0.50 astigmatism face type radian is 9.5 to 12.5 millimeters, the minimum widith scope of Jin Yongguang district between 0.50 astigmatism face type radian is 11.8 to 13.1 millimeters, wherein, work difference is 0.05 millimeter; Corresponding Breadth Maximum scope be 15.4 to 16.5 millimeters wherein, work difference is also 0.05 millimeter.

Power progressive multi-focus lens in the present embodiment, the average channel width range in the transition light district between 0.5 astigmatism face radian is 9.5 to 12.5 millimeters, and transition light district is broad, and astigmatism distribution is even; Human eye draw near see things time, can go to see things by broad transition light district, avoid human eye and go to see things by rocking district and cause scalloping.Simultaneously, the transition light section length of the power progressive multi-focus lens in the present embodiment is 16 millimeters, this moderate length, and in transition light district, the number of focus is moderate, and under add light and increase uniformly to Jin Yongguang district from transition light district, make people soon things time can not cause jumping picture.Power progressive multi-focus lens in the present embodiment also has broad Jin Yongguang district, and the far field angle of this eyeglass can reach 180 degree, shows that eyeglass has broad Yuan Yongguang district, and human eye has wider looks far region.Adopt the power progressive multi-focus lens in the present embodiment, both met people with a pair of glasses far away soon, and met again people near soon, and jumping picture and scalloping can not be produced in the process of transition, the different demands of glasses wearer can be met.Broad far region and territory, near reading range is looked because the power progressive multi-focus lens in the present invention has, even if the person that therefore joins mirror is when moving or drive, human eye still can not depart from the effective coverage of eyeglass, still can remove to see things nearby by territory, near reading range, by going depending on far region to see things at a distance.Meanwhile, because the scope in transition light district is large, and astigmatism distribution evenly and astigmatism is little, is still clearly when therefore also can ensure that human eye goes to see things by transition light district near transition passage.Power progressive multi-focus lens in the present invention not only can meet when namely traditional progressive multi-focus lens is read newspaper or looked at the blackboard etc. under the person that joins mirror is in static environment to be worn, can also meet such as to drive under the person that joins mirror is in dynamic environment or motion time wear.

Embodiment three

In the present embodiment respectively for have front camber be 1.00,2.00,4.00 and 6.00 diopter zero diopters and under to add light be 2.00 dioptric power progressive multi-focus lens, be described in detail adopting the power progressive multi-focus lens of progressive neutralisation design.

The present embodiment is described power progressive multi-focus lens in order to clearer, still in power progressive multi-focus lens, establish coordinate system, the Y-axis coordinate in the transition light district of power progressive multi-focus lens, join mirror cross, Jin Yongguang district reference point, Yuan Yongguang district reference point etc. as the description in embodiment two.

The refractive index of the power progressive multi-focus lens in the present embodiment is 1.56; The far point height Ji Yuanyongguang district horizontal height of reference point distance eyeglass geometry is 8 millimeters; Joining mirror height, namely to join mirror cross distance eyeglass geometry horizontal height be 4 millimeters; Read point Ji Jinyongguang district reference point, the horizontal height of read point height Ji Jinyongguang district reference point distance eyeglass geometry, because the height of read point is positioned under geometry horizontal line, so be highly-12 millimeters; The distance that namely read point displacement is partial to bridge of the nose direction is 2.5 millimeters.

Front camber be 1.00 diopter zero diopters and under to add light be 2.00 diopter power progressive multi-focus lens, its Yuan Yongguang district equal luminosity of surface radian is 1.018 diopters, and post luminosity is 0.051 diopter; Joining and a little adding the equal luminosity of light is-0.005 diopter, and post luminosity is 0.068; It is 2.001 diopters that read point adds the equal luminosity of light, and post luminosity is 0.072 diopter; Light is 2.155 diopters the most greatly, and overflow 0.155 diopter.

Front camber be 2.00 diopter zero diopters and under to add light be 2.00 diopter power progressive multi-focus lens, its Yuan Yongguang district equal luminosity of surface radian is 2.089 diopters, and post luminosity is 0.032 diopter; Joining and a little adding the equal luminosity of light is 0.005 diopter, and post luminosity is 0.115; It is 2.000 diopters that read point adds the equal luminosity of light, and post luminosity is 0.068 diopter; Light is 2.134 diopters the most greatly, and overflow 0.134 diopter.

Front camber be 4.00 diopter zero diopters and under to add light be 2.00 diopter power progressive multi-focus lens, its Yuan Yongguang district equal luminosity of surface radian is 4.146 diopters, and post luminosity is 0.026 diopter; Joining and a little adding the equal luminosity of light is 0.037 diopter, and post luminosity is 0.076; It is 1.999 diopters that read point adds the equal luminosity of light, and post luminosity is 0.086 diopter; Light is 2.067 diopters the most greatly, and overflow 0.068 diopter.

Front camber be 6.00 diopter zero diopters and under to add light be 2.00 diopter power progressive multi-focus lens, its Yuan Yongguang district equal luminosity of surface radian is 6.329 diopters, and post luminosity is 0.005 diopter; Joining and a little adding the equal luminosity of light is 0.023 diopter, and post luminosity is 0.105; It is 1.999 diopters that read point adds the equal luminosity of light, and post luminosity is 0.106 diopter; Light is 2.062 diopters the most greatly, and overflow 0.062 diopter.

Foregoing is the description of the basic parameter to each power progressive multi-focus lens in the present embodiment, draws the carrying out of marking on a map below analyze the post light of each power progressive multi-focus lens in the present embodiment, all luminosity and ball luminosity.

The post light figure of each power progressive multi-focus lens in the present embodiment is shown with reference to Figure 22-25, wherein, abscissa is corresponding with the abscissa of power progressive multi-focus lens, and ordinate is corresponding with the abscissa of power progressive multi-focus lens, and unit is all millimeter and mm.As can be seen from Figure 22-25, arbitrary figure all, power progressive multi-focus lens in the present embodiment is the Yuan Yongguang district of row, effective usable floor area in transition light district and Jin Yongguang district between 0.5 astigmatism face type radian, i.e. effective coverage, human eye goes to see by this region can not feel uncomfortable in things, both things at a distance can have been seen, can see again apart from moderate things, in-plant things can also be seen simultaneously.Meanwhile, also illustrate 1.0 astigmatism faces and the 1.5 astigmatism face type arc curves of power progressive multi-focus lens, can find out in figure, power progressive multi-focus lens is in transition light district and to rock district's astigmatism very low, and the transition light district astigmatism change of this eyeglass is mild.Meanwhile, from Figure 22-25, arbitrary figure all can find out that effective usable floor area in Jin Yongguang district is large, and the far field angle simultaneously in Yuan Yongguang district, close to 180 degree, shows that this power progressive multi-focus lens has broad Yuan Yongguang district.

All light figure of each power progressive multi-focus lens in the present embodiment is shown with reference to Figure 26-29, the ball light figure of the power progressive multi-focus lens in the present embodiment is shown with reference to Figure 30-33, wherein, abscissa in figure is corresponding with the abscissa of power progressive multi-focus lens, ordinate is corresponding with the abscissa of power progressive multi-focus lens, and unit is all millimeter and mm.All illustrated the Ji Yuanyongguang district, region in the curve besieged city including numeral 0 by Figure 26-33, represent that under Yuan Yongguang district medium power progressive multi-focus lens, add light is 0 diopter, and the far field angle in Yuan Yongguang district can reach 180 degree.Add under power progressive multi-focus lens light from Yuan Yongguang district to Jin Yongguang district and reading area mild and basic dull increase, and add light under this power progressive multi-focus lens and be 2.00 diopters to the maximum, the region that the curve as included numeral 2 in figure surrounds.

Show with reference to Figure 34-37 its equal ball light of change that power progressive multi-focus lens follows the distance of channel direction and add the change curve that light and post light adds light, wherein, in figure, abscissa is that to follow the distance of channel direction namely corresponding with the ordinate of power progressive multi-focus lens, and its unit is millimeter and mm; Ordinate is that equal ball light adds light, and its unit is diopter.The equal ball light that namely curve with circle in Figure 34-37 follows the change power progressive multi-focus lens of the distance of channel direction adds the change curve of light; The post light that namely smooth curve follows the change power progressive multi-focus lens of the distance of channel direction adds the change curve of light.Follow the change of the distance of channel direction, namely along the change of the Y-axis in the coordinate system of power progressive multi-focus lens.The curve of the band circle from Figure 34-37 shown in arbitrary figure can be found out, the lowermost end in power progressive multi-focus lens Jin Yongguang district to its equal ball light of the top in Yuan Yongguang district adds light and evenly successively decreases, and it is uniform that result shows that the equal ball light of this eyeglass adds light gradual change.Curve smooth as can be seen from Figure 34, the power progressive multi-focus lens in this figure is along with its astigmatism distribution of change of the distance of channel direction is at 0 to 0.3 diopter; As can be seen from the smooth curve in Figure 35-37, the power progressive multi-focus lens in figure is along with its astigmatism distribution of change of the distance of channel direction is at 0 to 0.2 diopter; These astigmatism distribution curves show, all very little at the astigmatism degree of whole passage medium power progressive multi-focus lens, adopt this eyeglass to go to see things, effectively can reduce the sense of people's visual distortion and number of degrees error.

Show the change curve of power progressive multi-focus lens along eyeglass coordinate system X-axis its post light from left to right with reference to Figure 38-41, wherein, in figure, abscissa is that X distance is namely corresponding with the abscissa of power progressive multi-focus lens, and its unit is millimeter and mm; Ordinate is post light, and its unit is diopter.Namely what the curve with circle was described is joins the change curve of below mirror cross 17 millimeters of places along the X-axis post light of power progressive multi-focus lens from left to right joining mirror point; What the curve of band fork was described is joining the change curve of below mirror point 22 millimeters of places along the X-axis post light of power progressive multi-focus lens from left to right.From Figure 38-41, arbitrary figure all can draw, when ordinate is 0.5 diopter between 0.5 astigmatism face type radian, joining below mirror point 17 millimeters i.e. Y-axis coordinate is the channel width at-13 millimeters of places, and this channel width is the minimum widith in the Jin Yongguang district of power progressive multi-focus lens.Wherein, the X-axis in this curve map represents the width of passage.Owing to will leave the surplus of 1 millimeter when choosing the reference point in Jin Yongguang district when joining mirror, therefore the minimum width value in Jin Yongguang district has been located at Y-axis coordinate for-13 millimeters of places, is-12 millimeters, Y-axis coordinate place in theory.From Figure 38-41, arbitrary figure all can also draw, joining below mirror point 22 millimeters i.e. Y-axis coordinate is the channel width at-18 millimeters of places, i.e. the Breadth Maximum in the Jin Yongguang district of power progressive multi-focus lens.

Each figure above-mentioned just characterizes the passage of each power progressive multi-focus lens in the present embodiment respectively from different perspectives.Below in the form of a table, concrete the passage of each power progressive multi-focus lens to be analyzed.Wherein, table 5 to be front camber be 1.00 diopter zero diopters and under add the multichannel analysis table that light is 2.00 dioptric power progressive multi-focus lens.

Table 5

As shown in table 5: the Y-axis coordinate in the transition light district of power progressive multi-focus lens is 4 to-12 millimeters, the length in known transition light district is 16 millimeters.In transition light district, selecting Y-axis coordinate to be 4,0 ,-4 ,-8 and-12 is test point, tests each coordinate place transition light sector width, i.e. the channel width of transition light district part.As can be seen from the table, five each self-corresponding channel widths of coordinate, by the width of these five passages, average, and the mean breadth that can obtain transition light district is 6.3 millimeters.Simultaneously, give the minimum widith in Jin Yongguang district and Breadth Maximum in table 5 and be respectively the effective width value that Y-axis coordinate is-13 Jin Yongguang districts corresponding with-18, the minimum widith in Jin Yongguang district is 8.2 millimeters, the Breadth Maximum in Jin Yongguang district is 11.3 millimeters, and these two values are corresponding with the channel width of two curves provided in Figure 38 between 0.5 astigmatism face type radian.Give in table 5, the far field angle of power progressive multi-focus lens is 180 degree, and wherein work difference is +/-4 degree, and the highest astigmatism in bridge of the nose place of eyeglass is 2.07 diopters, and the highest astigmatism in temporal bone place is 1.94 diopters.

Table 6 for front camber be 2.00 diopter zero diopters and under add the multichannel analysis table that light is 2.00 dioptric power progressive multi-focus lens.

Table 6

As shown in table 6, the mean breadth in the transition light district of power progressive multi-focus lens is 6.3 millimeters, the minimum widith in Jin Yongguang district is 8.2 millimeters, the Breadth Maximum in Jin Yongguang district is 11.3 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 2.11 diopters, and the highest astigmatism in temporal bone place is 1.94 diopters.

Table 7 for front camber be 4.00 diopter zero diopters and under add the multichannel analysis table that light is 2.00 dioptric power progressive multi-focus lens.

Table 7

As shown in table 7, the mean breadth in the transition light district of power progressive multi-focus lens is 6.1 millimeters, the minimum widith in Jin Yongguang district is 8.0 millimeters, the Breadth Maximum in Jin Yongguang district is 11.3 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 2.09 diopters, and the highest astigmatism in temporal bone place is 1.92 diopters.

Table 8 for front camber be 6.00 diopter zero diopters and under add the multichannel analysis table that light is 2.00 dioptric power progressive multi-focus lens.

Table 8

As shown in table 8, the mean breadth in the transition light district of power progressive multi-focus lens is 6.0 millimeters, the minimum widith in Jin Yongguang district is 7.9 millimeters, the Breadth Maximum in Jin Yongguang district is 11.3 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 2.12 diopters, and the highest astigmatism in temporal bone place is 1.98 diopters.

Power progressive multi-focus lens in the present embodiment be zero diopter and under to add light be 2.00 dioptric power progressive multi-focus lens.Can be drawn by the Data Summary in above-mentioned four tables, when power progressive multi-focus lens be zero diopter and under to add light be 2.00 diopter time, the mean breadth scope of transition light district between 0.50 astigmatism face type radian is 6 to 6.3 millimeters, the minimum widith scope of Jin Yongguang district between 0.50 astigmatism face type radian is 7.4 to 8.7 millimeters, wherein, work difference is 0.05 millimeter; Corresponding Breadth Maximum scope is 10.8 to 11.8 millimeters, and wherein, work difference is also 0.05 millimeter.Draw to mark on a map by above-mentioned each and it can also be seen that, power progressive multi-focus lens in the present embodiment has broad transition light district, and astigmatism degree is very little in transition light district, equal ball light adds light to be increased from transition light district uniformly to Jin Yongguang district, has broad Yuan Yongguang district simultaneously.

Power progressive multi-focus lens in the present embodiment, the average channel width range in the transition light district between 0.5 astigmatism face radian is 6 to 6.3 millimeters, and transition light district is broad, transition light district with rock that district's astigmatism degree is little and astigmatism changes evenly; Human eye draw near see things time, can go to see things by broad transition light district, avoid human eye and go to see things by rocking district and cause scalloping.Simultaneously, the transition light section length of the power progressive multi-focus lens in the present embodiment is 16 millimeters, this moderate length, and in transition light district, the number of focus is moderate, and under add light and increase uniformly to Jin Yongguang district from transition light district, make people soon things time can not produce into jumping picture.Power progressive multi-focus lens in the present embodiment also has broad Jin Yongguang district, and the far field angle of this eyeglass can reach 180 degree, shows that eyeglass has broad Yuan Yongguang district, and human eye has wider looks far region.Adopt the power progressive multi-focus lens in the present embodiment, both met people with a pair of glasses far away soon, and met again people near soon, and jumping picture and scalloping can not be produced in the process of transition, the different demands of glasses wearer can be met.Broad far region and territory, near reading range is looked because the power progressive multi-focus lens in the present invention has, even if the person that therefore joins mirror is when moving or drive, human eye still can not depart from the effective coverage of eyeglass, still can remove to see things nearby by territory, near reading range, by going depending on far region to see things at a distance.Meanwhile, because the scope in transition light district is large, and astigmatism distribution evenly and astigmatism is little, is still clearly when therefore also can ensure that human eye goes to see things by transition light district near transition passage.Power progressive multi-focus lens in the present invention not only can meet when namely traditional progressive multi-focus lens is read newspaper or looked at the blackboard etc. under the person that joins mirror is in static environment to be worn, can also meet such as to drive under the person that joins mirror is in dynamic environment or motion time wear.

Embodiment four

In the present embodiment respectively for have front camber be 1.00,2.00,4.00 and 6.00 diopter zero diopters and under to add light be 3.00 dioptric power progressive multi-focus lens, be described in detail adopting the power progressive multi-focus lens of progressive neutralisation design.

Front camber be 1.00 diopter zero diopters and under to add light be 3.00 diopter power progressive multi-focus lens, its Yuan Yongguang district equal luminosity of surface radian is 1.009 diopters, and post luminosity is 0.037 diopter; Joining and a little adding the equal luminosity of light is 0.029 diopter, and post luminosity is 0.086; It is 3.000 diopters that read point adds the equal luminosity of light, and post luminosity is 0.135 diopter; Light is 3.072 diopters the most greatly, and overflow 0.072 diopter.

Front camber be 2.00 diopter zero diopters and under to add light be 3.00 diopter power progressive multi-focus lens, its Yuan Yongguang district equal luminosity of surface radian is 2.073 diopters, and post luminosity is 0.023 diopter; Joining and a little adding the equal luminosity of light is 0.027 diopter, and post luminosity is 0.090; It is 3.001 diopters that read point adds the equal luminosity of light, and post luminosity is 0.107 diopter; Light is 3.108 diopters the most greatly, and overflow 0.107 diopter.

Front camber be 4.00 diopter zero diopters and under to add light be 3.00 diopter power progressive multi-focus lens, its Yuan Yongguang district equal luminosity of surface radian is 4.145 diopters, and post luminosity is 0.028 diopter; Joining and a little adding the equal luminosity of light is 0.077 diopter, and post luminosity is 0.088; It is 2.998 diopters that read point adds the equal luminosity of light, and post luminosity is 0.131 diopter; Light is 3.094 diopters the most greatly, and overflow 0.097 diopter.

Front camber be 6.00 diopter zero diopters and under to add light be 3.00 diopter power progressive multi-focus lens, its Yuan Yongguang district equal luminosity of surface radian is 6.285 diopters, and post luminosity is 0.012 diopter; Joining and a little adding the equal luminosity of light is 0.023 diopter, and post luminosity is 0.111; It is 3.001 diopters that read point adds the equal luminosity of light, and post luminosity is 0.136 diopter; Light is 3.066 diopters the most greatly, and overflow 0.065 diopter.

Foregoing is the description of the basic parameter to each power progressive multi-focus lens in the present embodiment, draws to mark on a map below make a concrete analysis of the post light of each power progressive multi-focus lens in the present embodiment, all luminosity and ball luminosity.

The post light figure of each power progressive multi-focus lens in the present embodiment is shown with reference to Figure 42-45, wherein, abscissa is corresponding with the abscissa of power progressive multi-focus lens, and ordinate is corresponding with the abscissa of power progressive multi-focus lens, and unit is all millimeter and mm.As can be seen from Figure 42-45, arbitrary figure all, power progressive multi-focus lens in the present embodiment is the Yuan Yongguang district of row, effective usable floor area in transition light district and Jin Yongguang district and effective coverage between 0.5 astigmatism face type radian, can not feel uncomfortable when human eye sees things in this region, both the things of people's distance soon can have been met, can see again apart from moderate things, in-plant things can also be seen simultaneously.Simultaneously, 1.0 astigmatism faces of power progressive multi-focus lens, 1.5 astigmatism faces, 2.0 astigmatism faces, 2.5 astigmatism face type arc curves are also illustrated in figure, can be found out by above-mentioned curve, power progressive multi-focus lens is in transition light district and to rock district's astigmatism very low, the transition light district of this eyeglass and to rock district's astigmatism change mild.Meanwhile, from Figure 42-45, arbitrary figure all can find out that effective usable floor area in Jin Yongguang district is large, and the far field angle simultaneously in Yuan Yongguang district, close to 180 degree, shows that this power progressive multi-focus lens has broad Yuan Yongguang district.

All light figure of each power progressive multi-focus lens in the present embodiment is shown with reference to Figure 46-49, the ball light figure of the power progressive multi-focus lens in the present embodiment is shown with reference to Figure 50-53, wherein, abscissa is corresponding with the abscissa of power progressive multi-focus lens, ordinate is corresponding with the abscissa of power progressive multi-focus lens, and unit is all millimeter and mm.Figure 46-53 all illustrates the region surrounded with the curve including numeral 0, Ji Yuanyongguang district, this region, under Yuan Yongguang district medium power progressive multi-focus lens, add light is 0 diopter, from figure, it can also be seen that the far field angle in Yuan Yongguang district can reach 180 degree, add under power progressive multi-focus lens light from Yuan Yongguang district to Jin Yongguang district and reading area mild and basic dull increase, and add light under this power progressive multi-focus lens and be 3.00 diopters to the maximum, the region that the curve as included numeral 3 in figure surrounds.

Show with reference to Figure 54-57 its equal ball light of change that power progressive multi-focus lens follows the distance of channel direction and add the change curve that light and post light adds light, wherein, in figure, abscissa is that to follow the distance of channel direction namely corresponding with the ordinate of power progressive multi-focus lens, and its unit is millimeter and mm; Ordinate is that equal ball light adds light, and its unit is diopter.The equal ball light that namely curve with circle in Figure 54-57 follows the change power progressive multi-focus lens of the distance of channel direction adds the change curve of light; The post light that namely smooth curve follows the change power progressive multi-focus lens of the distance of channel direction adds the change curve of light.Follow the change of the distance of channel direction, namely along the change of the Y-axis in the coordinate system of power progressive multi-focus lens.The curve of the band circle from Figure 54-57 shown in arbitrary figure can be found out, the lowermost end in power progressive multi-focus lens Jin Yongguang district to its equal ball light of the top in Yuan Yongguang district adds light and evenly successively decreases, and it is uniform that result shows that the equal ball light of this eyeglass adds light gradual change.As can be seen from the curve that the fair line in Figure 54 is described, the power progressive multi-focus lens in this figure is along with its astigmatism distribution of change of the distance of channel direction is at 0 to 0.33 diopter; As can be seen from the smooth curve in Figure 55, the power progressive multi-focus lens in figure is along with its astigmatism degree size distribution of change of the distance of channel direction is at 0 to 0.5 diopter; Power progressive multi-focus lens in Figure 56 and 57 is along with its astigmatism degree size distribution of change of the distance of channel direction is at 0 to 0.3 diopter; These astigmatism distribution curves show, the astigmatism degree in the whole passage of these power progressive multi-focus lens is all very little, effectively can reduce human eye and go visual distortion sense when seeing things and number of degrees error.

Show the change curve of power progressive multi-focus lens along eyeglass coordinate system X-axis its post light from left to right with reference to Figure 58-61, wherein, in figure, abscissa is that X distance is namely corresponding with the abscissa of power progressive multi-focus lens, and its unit is millimeter and mm; Ordinate is post light, and its unit is diopter.Namely what the curve with circle was described is joins the change curve of below mirror cross 17 millimeters of places along the X-axis post light of power progressive multi-focus lens from left to right joining mirror point; What the curve of band fork was described is joining the change curve of below mirror point 22 millimeters of places along the X-axis post light of power progressive multi-focus lens from left to right.From Figure 58-61, arbitrary figure all can draw, when ordinate is 0.5 diopter between 0.5 astigmatism face type radian, joining below mirror point 17 millimeters i.e. Y-axis coordinate is the channel width at-13 millimeters of places, and this channel width is the minimum widith in the Jin Yongguang district of power progressive multi-focus lens.Wherein, the X-axis in this curve map represents the width of passage.Owing to will leave the surplus of 1 millimeter when choosing the reference point in Jin Yongguang district when joining mirror, therefore the minimum width value in Jin Yongguang district has been located at Y-axis coordinate for-13 millimeters of places, is-12 millimeters, Y-axis coordinate place in theory.From Figure 58-61, arbitrary figure all can also draw, joining below mirror point 22 millimeters i.e. Y-axis coordinate is the channel width at-18 millimeters of places, i.e. the Breadth Maximum in the Jin Yongguang district of power progressive multi-focus lens.

Each figure above-mentioned just characterizes the passage of each power progressive multi-focus lens in the present embodiment respectively from different perspectives.Below in the form of a table, concrete the passage of each power progressive multi-focus lens to be analyzed.Wherein, table 9 to be front camber be 1.00 diopter zero diopters and under add the multichannel analysis table that light is 3.00 dioptric power progressive multi-focus lens.

Table 9

As shown in table 9: the Y-axis coordinate in the transition light district of power progressive multi-focus lens is 4 to-12 millimeters, the length in known transition light district is 16 millimeters.In transition light district, selecting Y-axis coordinate to be 4,0 ,-4 ,-8 and-12 is test point, tests each coordinate place transition light sector width, i.e. the channel width of transition light district part.As can be seen from the table, five each self-corresponding channel widths of coordinate, by the width of these five passages, average, and the mean breadth that can obtain transition light district is 4.3 millimeters.Simultaneously, give the minimum widith in Jin Yongguang district and Breadth Maximum in table 9 and be respectively the effective width value that Y-axis coordinate is-13 Jin Yongguang districts corresponding with-18, the minimum widith in Jin Yongguang district is 6.4 millimeters, the Breadth Maximum in Jin Yongguang district is 9.6 millimeters, and these two values are corresponding with the channel width of two curves provided in Figure 58 between 0.5 astigmatism face type radian.Give in table 9, the far field angle of power progressive multi-focus lens is 180 degree, and wherein work difference is +/-4 degree, and the highest astigmatism in bridge of the nose place of eyeglass is 3.10 diopters, and the highest astigmatism in temporal bone place is 2.86 diopters.

Table 10 for front camber be 2.00 diopter zero diopters and under add the multichannel analysis table that light is 3.00 dioptric power progressive multi-focus lens.

Table 10

As shown in table 10, the mean breadth in the transition light district of power progressive multi-focus lens is 4.3 millimeters, the minimum widith in Jin Yongguang district is 6.4 millimeters, the Breadth Maximum in Jin Yongguang district is 9.6 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 3.12 diopters, and the highest astigmatism in temporal bone place is 2.87 diopters.

Table 11 for front camber be 4.00 diopter zero diopters and under add the multichannel analysis table that light is 3.00 dioptric power progressive multi-focus lens.

Table 11

As shown in table 11, the mean breadth in the transition light district of power progressive multi-focus lens is 4.2 millimeters, the minimum widith in Jin Yongguang district is 6.3 millimeters, the Breadth Maximum in Jin Yongguang district is 9.6 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 3.11 diopters, and the highest astigmatism in temporal bone place is 2.84 diopters.

Table 12 for front camber be 6.00 diopter zero diopters and under add the multichannel analysis table that light is 3.00 dioptric power progressive multi-focus lens.

Table 12

As shown in table 12, the mean breadth in the transition light district of power progressive multi-focus lens is 4.2 millimeters, the minimum widith in Jin Yongguang district is 6.1 millimeters, the Breadth Maximum in Jin Yongguang district is 9.6 millimeters, far field angle is 180 degree, the highest astigmatism in bridge of the nose place of eyeglass is 3.15 diopters, and the highest astigmatism in temporal bone place is 2.85 diopters.

Power progressive multi-focus lens in the present embodiment be zero diopter and under to add light be 3.00 dioptric power progressive multi-focus lens.Can be drawn by the Data Summary in above-mentioned four tables, when power progressive multi-focus lens be zero diopter and under to add light be 3.00 diopter time, the mean breadth scope of transition light district between 0.50 astigmatism face type radian is 4.2 to 4.3 millimeters, the minimum widith scope of Jin Yongguang district between 0.50 astigmatism face type radian is 5.6 to 6.9 millimeters, wherein, work difference is 0.05 millimeter; Corresponding Breadth Maximum scope is 9.1 to 10.1 millimeters, and wherein, work difference is also 0.05 millimeter.Be it can also be seen that by each figure above-mentioned, power progressive multi-focus lens in the present embodiment has broad transition light district, and astigmatism degree is very little in transition light district, under add light and increase uniformly to Jin Yongguang district from transition light district, there is broad Yuan Yongguang district simultaneously.

Power progressive multi-focus lens in the present embodiment, the average channel width range in the transition light district between 0.5 astigmatism face radian is 4.2 to 4.3 millimeters, and transition light district is broad, transition light district with rock that district's astigmatism degree is little and astigmatism changes evenly; Human eye draw near see things time, can go to see things by broad transition light district, avoid human eye and go to see things by rocking district and cause scalloping.Simultaneously, the transition light section length of the power progressive multi-focus lens in the present embodiment is 16 millimeters, this moderate length, and in transition light district, the number of focus is moderate, and under add light and increase uniformly to Jin Yongguang district from transition light district, make people soon things time can not cause jumping picture.Power progressive multi-focus lens in the present embodiment also has broad Jin Yongguang district, and the far field angle of this eyeglass can reach 180 degree, shows that eyeglass has broad Yuan Yongguang district, and human eye has wider looks far region.Adopt the power progressive multi-focus lens in the present embodiment, both met people with a pair of glasses far away soon, and met again people near soon, and jumping picture and scalloping can not be produced in the process of transition, the different demands of glasses wearer can be met.Broad far region and territory, near reading range is looked because the power progressive multi-focus lens in the present invention has, even if the person that therefore joins mirror is when moving or drive, human eye still can not depart from the effective coverage of eyeglass, still can remove to see things nearby by territory, near reading range, by going depending on far region to see things at a distance.Meanwhile, because the scope in transition light district is large, and astigmatism distribution evenly and astigmatism is little, is still clearly when therefore also can ensure that human eye goes to see things by transition light district near transition passage.Power progressive multi-focus lens in the present invention not only can meet when namely traditional progressive multi-focus lens is read newspaper or looked at the blackboard etc. under the person that joins mirror is in static environment to be worn, can also meet such as to drive under the person that joins mirror is in dynamic environment or motion time wear.

It should be noted that, just following in the present embodiment to add light be 1.00,2.00 and 3.00 diopters is example, introduces adopting the power progressive multi-focus lens of progressive neutralisation design in the present invention.Add the power progressive multi-focus lens of light under adopting progressive neutralisation design can also design other, such as adding down light is 1.25 dioptric power progressive multi-focus lens.Progressive centralization design employs the asymmetric design of level in the design, and solve glasses wearer in time tiltedly seeing things nearby, when two an eye line are crossing with eyeglass, right and left eyes number of degrees error melts the problem of phase.Power progressive multi-focus lens in the present embodiment adopts photoelectricity level ultraprecise CNC(Computer Numerical Control, computer numerical control (CNC)) grinder processing and fabricating, the luminosity of the power progressive multi-focus lens made is accurate, passage and to rock district's astigmatism very low, can reduce visual distortion sense and number of degrees error.Certainly, be not limited thereto, in actual fabrication process, those skilled in the art can according to illustrated various lens parameters, and the mode adopting other suitable carries out eyeglass making.Use the power progressive multi-focus lens in the present invention, glasses wearer can adapt to eyeglass fast, solves the problem that the assembly difficulty of progressive multi-focus lens is for a long time large.

Each embodiment in this description all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.

Above a kind of power progressive multi-focus lens provided by the present invention is described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims

1. a power progressive multi-focus lens, it is characterized in that: described power progressive multi-focus lens comprises: Yuan Yongguang district, Jin Yongguang district, transition light district and rock district, wherein, be transition light district between described Yuan Yongguang district and described Jin Yongguang district, the both sides in described transition light district are for rocking district; Described Yuan Yongguang district non-blind area;

Described power progressive multi-focus lens join the side, described Yuan Yongguang district that mirror cross is positioned at the horizontal perpendicular bisector of geometric center of described power progressive multi-focus lens, and the distance between described geometric center horizontal line is 4 millimeters; The reference point in described Yuan Yongguang district is positioned on the horizontal perpendicular bisector of described geometric center, and the distance between described geometric center horizontal line is 8 millimeters; Distance between the reference point in described Jin Yongguang district and described geometric center horizontal line is 12 millimeters, when normally wearing, and the distance between the reference point deflection bridge of the nose direction in described Jin Yongguang district and the horizontal perpendicular bisector of described geometric center is 2.5 millimeters;

The length of described transition light district between 0.50 astigmatism face type radian is 16 millimeters, the mean breadth scope of described transition light district between 0.50 astigmatism face type radian is 4.2 to 12.5 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatism face type radian is 5.6 to 13.1 millimeters, corresponding Breadth Maximum scope is 9.1 to 16.5 millimeters, and the far field angle of described power progressive multi-focus lens is 176 to 184 degree between 0.50 astigmatism face type radian.

2. power progressive multi-focus lens according to claim 1, is characterized in that:

When described power progressive multi-focus lens be zero diopter and under to add light be 1.00 diopter time, the mean breadth scope of described transition light district between 0.50 astigmatism face type radian is 9.5 to 12.5 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatism face type radian is 11.8 to 13.1 millimeters, and corresponding Breadth Maximum scope is 15.4 to 16.5 millimeters.

3. power progressive multi-focus lens according to claim 1, is characterized in that:

When described power progressive multi-focus lens be zero diopter and under to add light be 2.00 diopter time, the mean breadth scope of described transition light district between 0.50 astigmatism face type radian is 6 to 6.3 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatism face type radian is 7.4 to 8.7 millimeters, and corresponding Breadth Maximum scope is 10.8 to 11.8 millimeters.

4. power progressive multi-focus lens according to claim 1, is characterized in that:

When described power progressive multi-focus lens be zero diopter and under to add light be 3.00 diopter time, the mean breadth scope of described transition light district between 0.50 astigmatism face type radian is 4.2 to 4.3 millimeters, the minimum widith scope of described Jin Yongguang district between 0.50 astigmatism face type radian is 5.6 to 6.9 millimeters, and corresponding Breadth Maximum scope is 9.1 to 10.1 millimeters.

5. power progressive multi-focus lens according to any one of claim 1 to 4, is characterized in that:

The average width value of described transition light district between 0.50 astigmatism face type radian, by described power progressive multi-focus lens being partial to the width value that the spacing of described side, Yuan Yongguang district and described geometric center horizontal line is the described transition light district that 4 millimeters are located, the width value in transition light district described in described geometric center horizontal line place, the distance of being partial between described side, Jin Yongguang district and described geometric center horizontal line is the width value in the described transition light district that 4 millimeters are located, the width value calculating mean value in the distance of being partial between described side, Jin Yongguang district and described geometric center horizontal line to be the width value in the described transition light district that 8 millimeters are located and the distance of being partial between described side, Jin Yongguang district and described geometric center horizontal line the be described transition light district that 12 millimeters are located obtains.

6. power progressive multi-focus lens according to any one of claim 1 to 4, is characterized in that:

The transition light district of described power progressive multi-focus lens between 0.5 astigmatism face type radian is: between 0.5 astigmatism face type radian, be 4 millimeters is the region that 12 millimeters of places surround to the distance of being partial between described side, Jin Yongguang district and described geometric center horizontal line from the described side, Yuan Yongguang district of deflection and the spacing of described geometric center horizontal line.

7. power progressive multi-focus lens according to any one of claim 1 to 4, is characterized in that:

The minimum widith of described Jin Yongguang district between 0.50 astigmatism face type radian is: between 0.50 astigmatism face type radian, and the distance in described Jin Yongguang district and between described geometric center horizontal line is 13 millimeters of light sector widths located.

8. power progressive multi-focus lens according to any one of claim 1 to 4, is characterized in that:

The Breadth Maximum of described Jin Yongguang district between 0.50 astigmatism face type radian is: between 0.50 astigmatism face type radian, and the distance in described Jin Yongguang district and between described geometric center horizontal line is 18 millimeters of light sector widths located.

9. power progressive multi-focus lens according to any one of claim 1 to 4, is characterized in that:

Described power progressive multi-focus lens has front camber 1.00 diopter, 2.00 diopters, 4.00 diopters or 6.00 dioptric kinking structures.