CN104246580B - colored contact lens - Google Patents
colored contact lens Download PDFInfo
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- CN104246580B CN104246580B CN201380004726.6A CN201380004726A CN104246580B CN 104246580 B CN104246580 B CN 104246580B CN 201380004726 A CN201380004726 A CN 201380004726A CN 104246580 B CN104246580 B CN 104246580B
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- Prior art keywords
- contact lens
- eyeglass
- opaque portion
- coloring
- colored contact
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
- G02C7/046—Contact lenses having an iris pattern
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
Abstract
The present invention proposes the design that can give natural outward appearance to the pupil of contact lenses wearer, make original color and texture change objectively simultaneously, its object is to provide not various physical property to contact lenses itself to bring harmful effect, the colored contact lens of suppression manufacturing cost increase.The colored contact lens of the present invention is to have transparent central vision region and be enclosed in the colored contact lens of painted areas about, it is characterized in that, above-mentioned painted areas forms the island structure being substantially made up of the continuous print hyalomere as sea part and the opaque portion of discontinuous coloring as island part, the opaque portion of above-mentioned coloring has squama shape, have radially 70～600 μm of eyeglass, in the circumference of eyeglass the size of 40～300 μm.
Description
Technical field
The present invention relates to give very natural outward appearance and change wearer pupil outward appearance there is colour
The colored contact lens of pattern.
Background technology
Colored contact lens is for correcting defects of vision, to not equal to be for makeups, make with soft contact lens
Carry out selling for main flow and (also there is a part of iris as glasses and cornea exists patient abnormal in appearance with beauty treatment as mesh
Synthetic eye use example, it also sells hard contact lens).
In the past, colored contact lens, in the case of not for the purpose of vision correction, was not the restriction object of medicine thing method.Cause
This, have received the report of the completeness that is considered due to goods, the sale/instruction Health cost caused such as improper, make
For the reply of administrative department, consolidate conduct " doctor after the policy carrying out limiting in the range of medicine thing method, on November 4th, 2009
Treatment equipment " become the object of restriction.The colored contact lens of makeups makes the color of pupil or texture change objectively.Special
The color of saturate Japanese pupil in order to change iris, need to use opaque colouring agent etc. until across
Eyeglass makes the sightless degree of color of iris below, in view of such situation, bring induce from the colouring agent dissolution of eyeglass,
Or the contact lens surface in coloured part becomes coarse, or the raw-material oxygen permeability of eyeglass receives the harmful effects such as obstruction,
Speculate that this is unhealthful one of the main reasons.
As contact lenses color method, be greatly classified into: use the method that coloured equably by eyeglass of dyestuff；With
The surface of transparent (also including colouring relatively thin eyeglass) eyeglass or the method for interior section ground printed patterns, about changing wearer
The colored contact lens of outward appearance of pupil, mainly use later approach.For instance that in the formation on lens forming mould surface
The position of iris portion is coated to colored monomer component, after forming film, fills eyeglass monomer component and is polymerized, from
When mould takes out, form the method (patent document 1) of colored contact lens；The coloured part embedment raw-material inside of eyeglass
Contact lenses (patent document 2) etc..These methods are in the dissolution of suppression colouring agent and guarantee the aspect of flatness of lens surface
Manufacture method as colored contact lens is strong.
In addition to these preparation methods, the most a lot of in the motion of the design aspect in view of visual effect.For instance that at mould
The design that surface configuration at least two is different, is transferred to the mirror contacted with die surface in the shaping and solidification of contact lenses
On the surface of sheet (patent document 3)；Two coloured parts are made up of different form and aspect, have band indentation borderline region and
The figure (patent document 4) connected；There is the shade sub pattern than two different sub pattern and subjectivity by a series of radiation
The pattern (patent document 5) that the interrupted line effect of shape is constituted；There is the iris portion being made up of three parts, by suitably
Set the scope of each several part, produce overlapping region at multiple positions, present very naturally outward appearance (patent document 6)；Have
Edge of cornea ring and threadiness dot pattern, emphasize the definition (patent document 7) of the iris of user；Colored region by
Have circle, ellipse, triangle, the combination of the shape such as linear are constituted, and have the color changed lentamente along radial direction (specially
Profit document 8) etc..
Even if seeming that the structure of natural iris is dark color as Japanese, also will not be solid color, comprising many
Plant color and difform pattern.For user, certainly like presenting its natural outward appearance, therefore, research of making an effort
Above-mentioned various design.When investigating above-mentioned design in terms of shape, substantially it is roughly divided into have and certain (covers user's
As iris region) plane of width, line continuously or intermittently, there is the some these three of the shapes such as circle/ellipse/triangle.
Planar design is excellent in the function aspects of the outward appearance of the pupil changing wearer, but hinders the raw-material so-called oxygen permeability of eyeglass
May be high, therefore, also differ and say it is preferred surely, line or point are difficult to change the apparent color of the pupil of dark color.
It addition, in the case of online or point, the pass of when being also applied in glasses sometimes through eyeglass and wearer iris
System (overlapping) is difficult to prediction outward appearance, in order to form desired design, needs a certain degree of repetition test, thus seeks to colour hidden
The optimal design of shape glasses.
Prior art literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2-134612 publication
Patent document 2: Japanese Unexamined Patent Publication 3-15020 publication
Patent document 3: Japanese Unexamined Patent Publication 4-265710 publication
Patent document 4: Japanese Kohyo 4-505972 publication
Patent document 5: Japanese Unexamined Patent Publication 2000-66147 publication
Patent document 6: Japanese Unexamined Patent Application Publication 2002-507001 publication
Patent document 7: Japanese Unexamined Patent Application Publication 2007-537492 publication
Patent document 8: Japanese Unexamined Patent Application Publication 2004-533629 publication
Summary of the invention
The problem that invention is to be solved
The problem of the present invention is that the pupil to contact lenses wearer gives natural outward appearance and can make wearer's
The design that the color of pupil and texture change objectively, its object is to provide the various things not to contact lenses itself
Property bring harmful effect, suppression manufacturing cost increase colored contact lens.
Means for solving the above
The present invention is to have transparent central vision region and be enclosed in the tinted contact eye of painted areas about
Mirror, it is characterised in that above-mentioned painted areas essentially forms the discontinuous of the continuous print hyalomere by sea part and island part
Colour opaque portion constitute island structure, the opaque portion of above-mentioned coloring has squama shape, have eyeglass radially 70～
600 μm, eyeglass circumference on the size of 40～300 μm.By colouring opaque portion, the color of the pupil that eyeglass wearer is original
And pattern, observer it is able to observe that change when observing.If it addition, making each squamous pattern pupil more original than eyeglass wearer
Hole configuration is wider, then make iris portion become apparent from, and has and makes pupil seem bigger effect.Such as, the external diameter of eyes is
When the wearer of 12mm wears the colored contact lens that external diameter is 13mm with the opaque portion of coloring, not only pupil seems big, also
Sometimes the U.S. face effect that eyes seem bright and beautiful is realized.
It addition, such as when the soft contact lens of the manufacture property of water-bearing is as colored contact lens, time during manufacture with use
Lens dimension expand because of aqueous change big in the case of, the painted areas of the present invention also has island structure, therefore, it is not possible to
Occur with the deformation etc. expanded.Details as described later, if but manufacturing eyeglass by so-called dry modulus method, the most during fabrication and make
Used time (time aqueous) lens dimension is the most different.Generally, contain water-free composition etc. colouring opaque portion, therefore, transparent
Portion is the most consistent with the moisture content in opaque portion, deforms sometimes through its impact.Now, even if making average moisture content
Unanimously, the most sometimes the most different from shallow partially aqueous rate in saturate part.In the present invention, be cope with such
The design of situation.
The squama shape in the opaque portion of above-mentioned coloring, it is characterised in that arrange towards the center of eyeglass, and and eyeglass
The center position compared at eyeglass of peripheral direction there is deep camber.The shape of squama as described later, makes isosceles triangle
Each angle becomes round, make the appropriately curved shape in each limit, its base side is arranged towards the peripheral direction of eyeglass.It addition, by second-class
The bending (hereinafter also referred to " tip side ") that rim portion is formed, towards the center of eyeglass, (is also wrapped with the bending formed in base side
Include linearity.Hereinafter also referred to " rear end side ") compare there is deep camber.By making the opaque portion of coloring be formed as such arrangement
And shape, it is possible to make iris patterns show more natural outward appearance.
Above-mentioned painted areas forms island structure completely the most sometimes, but the opaque portion of coloring of island part can also one
Divide and connect.More specifically, from the surrounding edge of painted areas towards the ring-type model of center of lens direction width 1～3.5mm
Enclose interior, more preferably 1.5～3.0mm ring-type scope in, the island part of multiple squamous can be at the center position of eyeglass and eyeglass
Peripheral direction be connected with each other.This is because, configure the opaque portion of more coloring, suitably hide the Gong of the behind being positioned at eyeglass
Film part, changes the design and color of pupil, it addition, pupil can be made to seem big by painted areas.It should be noted that
By increasing the size colouring opaque portion of island part, even if not connecting island part, it is also possible to obtain same effect.
The opaque portion of the most above-mentioned coloring is to diminish along its size of the center position of eyeglass or to come in the way of the minimizing of its number
Design.Colouring both the size in opaque portion and number can change independently, the central side of eyeglass is compared with outer circumferential side
Without strictly little by size or number few in the way of colour.The tendency being only used as design understands, can suitably adjust
Joint.Thereby, it is possible to make iris show with more natural outward appearance on the curved surface of contact lenses.About tool in conventional dot pattern
The density gradient having number to reduce does not has motion (see, for example patent document 7 etc.), does not the most find to reduce the size of point self
Motion.In the present invention, it is contemplated that the naturally film of the film-form that iris is between cornea and crystalline lens, in order to be set
Count into the curved surface of eyeglass and make iris portion more obvious, based on the thought preferably with far and near sense (3D effect).
It addition, central vision region preferably ensures that a diameter of 7～11mm.This is because, will not regard because opaque portion hinders
Wild.
It addition, the external diameter of ring-type painted areas is 11～14mm, preferably 12～13.8mm, more preferably 12.5～
13.5mm.Colour opaque portion to cover iris or be slightly wider than the region of iris, therefore, can have transparent outside it
Part.This is because, particularly soft contact lens has the cornea size to sclera, the painted areas of wide scope can be made
More than necessity, the most preferred when eyes seem excessive.
Invention effect
The colored contact lens of the present invention has an opaque portion of coloring being formed as squamous, therefore, with conventional plane,
Line, point any one design all different, even if be dark pupil, can effectively provide for observer and originally
The different sensation of the color of pupil.Further, its outward appearance, close to extremely naturally pupil, therefore, also will not give discomfort.
If it addition, configuration squama shape is more than the diameter of pupil, then pupil can be made to seem big.
It addition, for for making the method for property of water-bearing soft contact lens especially by dry molding, use the present invention's
Design, it is also possible to the deformation of eyeglass when suppressing aqueous.
Accompanying drawing explanation
Fig. 1 is the figure of an example of the design of the colored contact lens representing the present invention.
Fig. 2 is the figure of an example of the manufacture method of the colored contact lens representing the present invention.
Fig. 3 is the figure representing design as comparative example 1 with point.
Fig. 4 is the figure as comparative example 2 design represented by curve.
Fig. 5 is the figure that the combination of the line different as comparative example 3 thickness represents design.
Fig. 6 is the figure representing design as comparative example 4 ring.
Fig. 7 is the figure of an example of the design of the colored contact lens representing the present invention.
Fig. 8 is the figure of an example of the design of the colored contact lens representing the present invention.
Fig. 9 is the figure of an example of the design of the colored contact lens representing the present invention.
Figure 10 is the figure of an example of the design of the colored contact lens representing the present invention.
Figure 11 is the figure of an example of the design of the colored contact lens representing the present invention.
Figure 12 is the figure of an example of the design of the colored contact lens representing the present invention.
Figure 13 is the figure of an example of the design of the colored contact lens representing the present invention.
Figure 14 is the figure of an example of the design of the colored contact lens representing the present invention.
Figure 15 is the figure of an example of the design of the colored contact lens representing the present invention.
Figure 16 is the figure of an example of the design of the colored contact lens representing the present invention.
Detailed description of the invention
The colored contact lens of the present invention opaque portion of coloring by given shape, even having the people of dark pupil
Also being able to make it feel apparent change, and reflect in natural pupil, therefore, it has the third party and is difficult to recognize it
It is owing to wearing the feature caused with eyeglass.Hereinafter, referring to the drawings while illustrate.
The colored contact lens of the present invention is except the so-called eyeglass being referred to as " U.S. pupil (カ ラ U Application) " for makeups
Outside, also include the eyeglass for correcting defects of vision.The material of such eyeglass can be to comprise water and have the aqueous of flexibility
In property soft contact lens, silicone-hydrogel soft contact lens, non-aqueous soft contact lens, oxygen permeability hard contact lens
Any one.
The design of the given shape of the present invention can also be applied to above-mentioned any type of eyeglass material, for as in recent years
For the property of water-bearing soft contact lens of the main flow in the colored contact lens market come more preferably.Each eyeglass material is known list
The polymer of body, such as, as property of water-bearing soft contact lens, can enumerate: hydroxyalkyl (methyl) acrylate, alkylene glycol
Single (methyl) acrylate, alkyl amino alkyl (methyl) acrylate, dimethyl (methyl) acrylamide, glycerine (methyl) propylene
The high molecular polymers such as acid esters, glycidyl (methyl) acrylate, vinyl pyrrolidone, (methyl) acrylic acid, it addition,
The raw material of non-aqueous soft contact lens can be enumerated: provides the list of the high molecular polymer that glass transition temperature is low
The polymer of body, such as (methyl) n-butyl acrylate, (methyl) decyl acrylate, (methyl) lauryl acrylate etc., as
Silicone-hydrogel soft contact lens and the raw material of oxygen permeability hard contact lens, can enumerate: siliceous (methyl) acrylic acid
The polymer of the monomers such as alkyl ester or siliceous high polymer monomer etc. and the monomer of above-mentioned property of water-bearing soft contact lens.
As it has been described above, in the present invention, be not particularly limited the composition monomer of contact lenses.But, colour selecting to constitute
During the raw material in opaque portion, monomer component can also be coordinated in addition to coloring components.As the monomer component coordinated, preferably
Optionally use apply its coloring contact lenses constitute monomer component and compatibility high, such as with constitute monomer phase
Same monomer.More specifically, as the raw material of colored contact lens, if selected using hydroxyethyl methacrylate as master
The high molecular polymer of composition, then as constituting the raw material colouring opaque portion it is also preferred that coordinate hydroxyethyl methacrylate.
Thus, combine, it is possible to be effectively prevented the molten of colouring agent more strongly relative to contact lenses coloring components itself
Go out, prevent the deformation of the eyeglass after shaping simultaneously.Particularly in the case of property of water-bearing soft contact lens, due to containing water
And expand, therefore, there is large deviation making the expansion rate between the opaque portion of coloring and contact lenses itself because of manufacture method
Time, it is likely to become the main cause of deformation.At this on the one hand, the present invention such coloring figure is owing to colouring opaque portion each other
Separate, therefore, it is to avoid the effect of the main cause of deformation is high, is suitable to the coloring of property of water-bearing soft contact lens.
The colored contact lens of the present invention have in the same manner as known colored contact lens transparent central vision region,
With the painted areas being enclosed in about.Substantially the part in the visual field not entering into wearer is implemented coloring, to cover certainly
The mode of the color of oneself iris forms painted areas.Conventional painted areas is as it has been described above, any by plane, line, point
A kind of or combinations thereof is constituted.In the present invention, painted areas is formed substantially by continuous print hyalomere and the island portion of sea part
Point the island structure that constitutes of the opaque portion of discontinuous coloring, be included in the classification of the coloring carried out by above-mentioned point.Logical
Crossing maximum problem when a little forming iris region to be, comparing with other classification, covering effect is low, but by tool in the present invention
Have specific design, shape, overcome this problem, make known colored contact lens than ever seem more natural outside
See.
" the continuous print hyalomere of sea part " in the painted areas of the present invention accounts for the 20%～70% of painted areas, preferably
It is 45%～65%, most preferably 50%～60%.Therefore, nubbin becomes that " the discontinuous coloring of island part is opaque
Portion ", but this island structure gets rid of a part between state or the island part that between such as island part, a part connects the most completely
Connect, exist in-between the situation in transparent lake portion (or river portion).Colour opaque portion and preferably substantially form one one
Individual independent island, but in the high region of the density of island part, they can come in contact, or a part overlaps.
As colouring the example that opaque portion contacts, it is shown in Fig. 1 and Fig. 8 etc..As shown in these figures, from painted areas
Surrounding edge towards the center position width 1～3.5mm of eyeglass, preferable width 1.5～3.0mm ring-type scope in, multiple squamas
The opaque portion of coloring of shape is connected to each other in its tip side and rear end side, forms many bead string and connects.The island of the squamous of such link
Part is made up of 3～20, preferably less than 10.Particularly in the surrounding edge edge of painted areas, owing to making pupil seem
Greatly, therefore it is necessary, colours the formation of opaque portion thick towards the journey at center, seem more during accordingly, as island part independence
Natural.
About colouring the configuration in opaque portion, can be the design of arranged in series configuration as shown in above-mentioned Fig. 1 etc., it is also possible to
Tip side by the squama shape of rank rear configures in the way of being positioned at the centre of the adjacent squama shape in prostatitis as shown in figure 16.Certainly, this
Show an example of configuration a bit, be not defined.Can suitably select to make the prostatitis position relationship change at random with rank rear with front
At least one contact in other opaque portions that rear left and right exists carries out the various configurations such as configuration.
Luminous ray (380nm～the 750nm) transmitance of " hyalomere " is 80%～100%, is water white transparency or coloured
Transparent.On the other hand, the transmitance in " opaque portion " is 0%～50%, according to the object of iris color to be changed (such as
Japanese, occidentals, men and women etc.), want the difference of the color (the greenest, blue) of the iris demonstrated, suitably regulate.Such as, as
Fruit, with the artificial object of saturate Japan of iris, the most preferably makes the transmitance in the opaque portion of coloring be about 0～30%, makes to think
Iris color to be demonstrated is clearer.
The size colouring opaque portion of the present invention have be radially 70～600 μm, preferably 100～400 μm, circumference be 40
～300 μm, preferably 70～250 sizes of μm.It addition, its shape as it has been described above, be make each angle of isosceles triangle become round,
Make the shape that each limit is appropriately curved.It addition, constitute the circular arc (top that curvature that the center second-class rim portion towards eyeglass formed is big
Side), constitute and divide, towards the periphery bottom side portion of eyeglass, the circular arc (rear end side) that the curvature of formation is less.
The opaque portion of coloring (2) the most as shown in Figure 1.The opaque portion of coloring (2) of colored contact lens (1)
Depict the curve that the circular arc (3) of rear end side is mild.The curvature (inverse of radius of curvature) of this circular arc (3) is in arc with eyeglass
Within reciprocal 3 times of the distance of the heart, within preferably 2 times, more preferably 0.3～1.5 times, most preferably 0.5～1.2 times.Generally, exist
In the case of being formed painted areas by plane and line, boundary line is easily made apparent from, and as representative of the present invention, is similar to a little in employing
Pattern in the case of, border easily becomes unclear.Therefore, by being formed as such arc-shaped, the opaque portion of each coloring
Even if not connecting, it is also possible to make borderline region become effect clearly notable.
The opaque portion that colours being particularly at most peripheral (position that center away from eyeglass is farthest) forms the outside of pupil
Profile (representing outer peripheral line).About the opaque portion of this coloring, the shape of side is not necessarily thereafter, but for as above institute
During the arc-shaped stated, improve the effect emphasizing profile further, therefore, it is possible to make pupil seem big, it is possible to make the matter of iris
Sense improve to the iris demonstrated by conventional plane, line equal more than.It should be noted that can also be for shown in Fig. 1
Circular arc beyond shape, such as string (straight line) (13) (with reference to Fig. 7, Fig. 8), connect the shape of several points on circular arc with straight line
Etc. (23) (with reference to Figure 10).Even if this is because, be these shapes, as long as colouring the size in opaque portion in above-mentioned scope
In, the most also there is the effect equal with circular arc.
On the other hand, as the shape of the rear end side colouring opaque portion at the position being positioned at beyond most peripheral, except Fig. 1
Outside the shape (13) of the linearity shown in shown circular arc (3) and Fig. 7, it is also possible to for encasing behind the opaque portion of this coloring
The shape (33) (with reference to Fig. 9) of the tip side colouring opaque portion that row exist.This is because, be not located at the coloring of most peripheral
The shape of the rear end side in opaque portion is formed without a part for the profile of iris.It should be noted that on the most not necessarily getting rid of
The opaque portion of coloring stating shape is positioned at most peripheral.This is because, according to the coloring size in opaque portion, configuration, it is possible to fully
Ground forms the profile of iris patterns.
In Fig. 1, the curvature of the circular arc (5) colouring the tip side in opaque portion (2) is more than the curvature of the circular arc (3) of rear end side
The mode of (little radius of curvature) presents bending.This is because, by forming such shape, with conventional simple circle/ellipse
The shape matchings such as circle/triangle, easily to show in the way of center of lens concentration, it is possible to make the iris of eyeglass wearer see
Get up more natural.Eyeglass is sphere, makes the figure drawn thereon more have what third dimension made to be suitable for.It is not limited only to particularly
Curve as depicted, it is also possible to for link with straight line several points on circular arc shape (with reference to Figure 10).Furthermore it is possible to it is logical
Cross sub pattern that known method makes the position beyond most peripheral be made up of different form and aspect (such as, radial interrupted
Line chart case etc.) overlap.
In a word, " curvature " institute of " center position of eyeglass is more than the squamous of the curvature of the peripheral direction of eyeglass " of the present invention
Refer to and macroscopically find out bending, be not required on microcosmic constitute bending the most on the whole.It is to include by " multiple
Curve " and/or the combination of " multiple straight line " demonstrate the implication of curve on the whole.
The opaque portion of coloring of above-mentioned shape is preferably directed towards the center position of eyeglass and tapers into.With tip side more than rear end
The curvature of side is designed, therefore, it is possible to show in the way of the attracting concern of pupil from periphery, but delayed by size
Slow reduction, its effect increases (see, for example Fig. 1, Fig. 7 etc.) further.It addition, if towards the center of eyeglass, then area is worked as
So reduce, multiple opaque portion of little coloring can be configured, therefore, it may have easily change iris texture effect.It addition,
Owing to being finally connected with central vision region, therefore, when its migration part has clear and definite change, it is possible to infringement is naturally
Outward appearance, preferably has such suitable gradient to connect painted areas and central vision region.
It addition, the number colouring opaque portion can gradually decrease towards the center position of eyeglass.Particularly at each
During look opaque portion equivalently-sized, need along with reducing corresponding (see, for example Fig. 8) towards center of lens area.So subtract
Few technology is known design as above, dot pattern color method can certainly use.
The central part of the colored contact lens (1) of the present invention illustrated in FIG is formed and transparent (includes the most relatively thin
Transparent after coloring) central vision region (7).The luminous ray transmitance of central vision region is the saturating of painted areas (8)
Bright portion (9) equal more than, it is allowed to light enters pupil, its a size of diameter 7～11mm, preferably 7～10mm.This is present to ensure that
Enough visuals field.Surround the painted areas (8) model that width is 1.0～3.5mm at radial direction of this central vision region (7)
Enclose, preferably 1.5～3.0mm in the range of be formed as circular.In order to make pupil seem big, painted areas is to lens periphery side
To expanding formation further.
Furthermore it is possible to there is transparent peripheral region (10) in the way of surrounding above-mentioned painted areas (8).By with eyeglass chi
Very little relation is suitably formed.The luminous ray transmitance in transparent peripheral region is equal with central vision region, for colorless or colored
Transparent.
The colored contact lens of the present invention illustrated in Figure 11 is the narrow range of painted areas (28), towards central vision district
Territory (27) makes the example that the number in the opaque portion of coloring drastically reduces.This design shows in the significant mode of ring, directly utilizes and wears
While the iris patterns of user, have and make eyes seem bigger effect.
In Figure 12, it is to illustrate in the way of painted areas (37) forms double ring, colour opaque section and dissipate between it
Example.In this example, the number colouring opaque portion gradually decreases towards central vision region (36), simultaneously with middle CCTV
Feel that the boundary member in region increases number again, be fitly arranged in ring-type simultaneously.This design has makes pupil seem big
Effect.
Figure 13 is the design that the profile of the inner side of painted areas (38) seems indentation, and Figure 14 is to make painted areas
(39) design of the pattern of cardioid is demonstrated.These are the designs for makeups so-called compared with seeming nature.
Figure 15 is to include representing the ballast axis necessary to such as toric lens and cylinder axis in painted areas (41)
The design of mark (43).In this example, these marks are difficult to differentiate in painted areas, therefore, have except particular persons such as doctors
Outside observing, the effect that the third party is difficult to differentiate between.This is because, the information obtained by these marks is for user or the 3rd
Without identifying especially for person.
Figure 16 is that the opaque portion that colours about painted areas (48) is positioned at prostatitis with the tip side of the squama shape of rank rear
The example that the mode of the centre of adjacent squama shape configures.Be arranged in a straight line shape and radial example compares, arbitrarily arrange
Arrange feels have from the third party to see the effect of more natural design reaction as.
As the colored contact lens of the present invention, utilize double-sided die time coloured part is clamped by eyeglass raw material
Manufacture method, such as in figure 2 it is shown, include following operation.
(I) mould A in the face forming contact lenses, half system thinner than contact lens product with thickness can be formed
Fill contact lenses formation monomer composition (50) between the mould B of product and carry out the operation being polymerized.
(II) mold removal B, is formed in the way of colouring opaque portion in the exposed surface in contact lenses semi-products (51)
Coating coloring composition (52), operation fixing on contact lenses semi-products.
(III) the mould C and having in another face forming contact lenses is coated with the stealthy eye of coloring composition
Fill above-mentioned contact lenses formation monomer composition (50) between the mould A of mirror semi-products further and carry out the work being polymerized
Sequence.
(IV) open mould A and mould C, take out the operation of the colored contact lens (61) after polymerization.
In the operation of above-mentioned (I), mould A preferably forms the mould of the inner face side of contact lenses.This is because, inner face side
For the side with Corneal Contact, it can be ensured that colour opaque portion not positively do not expose on surface, worst also not at cornea
Side is exposed.It addition, must be thinner than actual contact lens product with the thickness in the space of mould B combination formation.This is because, use
Eyeglass raw material hold color part.
Mould B takes off in operation (II), and the contact lenses semi-products after polymerization need the most residual in mould A
Deposit.In order to ensure this selectivity, preferably make mould A and mould B shape with different resins, or mould A or mould B is appointed
Anticipate a kind of process (such as, coating surfactant, or plasma implementing easily to adsorb or be easily peeled off contact lenses semi-products
Body process etc.).Or, it is possible to use No. 4695797 such devices of Japanese Patent Publication No., or a mould is heated or cooled,
Make it optionally remaining in mould A.
In operation (II), being coated with coloring composition, the method may be appropriately used various method, for instance that screen printing
Brush, bat printing, ink jet printing etc..Select which kind of coating process according to the physical property of coloring composition or the raw-material physical property of eyeglass etc.
Determine.About the fixing means on contact lenses semi-products, also there is various (heat, be dried, electronbeam irradiation etc.) side
Method.It addition, the coating of coloring composition is not limited to 1 time, can be by known method by different design and color coatings 2
More than secondary.
In operation (III), have the contact lenses semi-products securing coloring composition mould A and mould C it
Between fill above-mentioned contact lenses formation monomer composition, make to be sandwiched between the colored contact lens polymerization of coloring composition.
In the method being manufactured as the soft contact lens of the property of water-bearing of colored contact lens, there is contact lenses formation monomer group
The situation (being commonly referred to as wet mould) containing the solvent etc. beyond polymerizable monomer in compound and the situation not comprising solvent etc. are (generally
It is referred to as dry mould).Wet mould due to this solvent after hydration with water replace, therefore, after polymerisation with hydration after state under size become
Change few, but dry mould reaches the state of size expansion after hydration.Therefore, mould A the contact lens shape become with mould C-shaped
Space must take into the size after hydration.
In operation (IV), open mould A and mould C, take out the colored contact lens after polymerization, as required, carry out water
Conjunction process and surface hydrophilic process etc..The present invention is the invention of the design of design colored contact lens, and therefore, manufacture method limits
Represent in simply, suitably determine the kind/ratio of components of the monomer in the polymerization temperature in each operation, time, each composition,
The kind etc. of toner.
It addition, as the specification of contact lenses, there are the radius of curvature (BC) of inner face side, center thickness (CT), the number of degrees
(PW), diameter (DIA), the shape etc. of lens edge.PW determines according to the radius of curvature (FC) of refractive index, BC and exterior side, but
Due to the narrow range of the radius of curvature of cornea, being 7.5～8.2mm, therefore, the specification number of predetermined BC, than the specification number of FC
Few.Particularly there is also the situation of the BC only a kind of soft contact lens.Additionally there is following so-called one-side mould preparation method: on
State and the operation of (I) uses the shape die for forming of inner face side replace mould A, the operation of above-mentioned (III) uses and is formed than stealth
The mould D of the semi-products that ophthalmic articles is thick is instead of using mould C, as required, cuts FC side, manufactures the eyeglass of desired PW.
Such method has an advantage in that the mould C without preparing each PW in advance, also can be corresponding with customized, and inventory management is easy.Coloring
Contact lenses are generally speaking by popular left and right, therefore, different also according to production scale and design number, but as stock the most not
Can enrich towards stock quality.Under such circumstances, it is believed that one-side mould preparation method is applicable.
It addition, the manufacture method utilizing double-sided die that coloured part is when the surface of eyeglass manifests, below such as
Operation.
(I) on the mould A in a face forming contact lenses, it is coated with coloring composition, in the work that die surface is fixing
Sequence.
(II) filling contact lenses formation monomer between the mould C and mould A in another face of contact lenses is being formed
Composition also carries out the operation being polymerized.
(III) open mould A and mould C, take out the operation of the colored contact lens after polymerization.
The advantage of the method is, compares with the situation that hold color part with eyeglass raw material, process number, mould
Number is few.Therefore, becoming, present aspect is highly beneficial, but only by embedment coloured part, also can manifest on surface, therefore, sometimes
There is in terms of security some problems.The substantially material of coloured part also uses the change confirming the security to eyes
Compound, therefore, in chemistry can be relieved, but it is raw-material with the eyeglass of hyalomere or central vision region to colour opaque portion
Hardness easily produces difference, therefore, it is possible to become physical stimulation.Shell it addition, also allow for colouring opaque portion
The risk fallen.
The colored contact lens of the present invention manufactures basically by mould polymerization as above, such as, by cutting
After cutting processing method manufacture eyeglass, after the pattern with formation regulation shape of the grinding surfaces such as Laser Processing, solid on the portion
The method determining dye compositions is also possible, is not limited to mould polymerization.
It addition, the colored contact lens of the present invention is in addition to property of water-bearing soft contact lens as above, it is also possible to
Manufactured by non-aqueous soft contact lens, silicone-hydrogel soft contact lens and oxygen permeability hard contact lens etc.,
Not necessarily limit the raw-material kind of eyeglass.
Embodiment 1
Hereinafter, for the clearest and the most definite present invention, it is shown that several examples.
In addition to the layout shown in Fig. 1 (embodiment 1), by the point (20) shown in Fig. 3 (comparative example 1), Fig. 4
Ring-type (35) shown in bar-shaped (30), Fig. 6 (comparative example 4) shown in curve (25) shown in (comparative example 2), Fig. 5 (comparative example 3)
Each design, make colored contact lens, the simple eye use of wearing of tester, use mirror, compare the outward appearance of another eye with bore hole
On difference.All it is evaluated it addition, change is worn with eye, equally operation two.
Colored contact lens makes as follows.
Contact lenses formation monomer composition (methacrylic acid 2-hydroxyl second is loaded in the die B that polypropylene (PP) is made
Ester (hereinafter referred to as 2-HEMA) 59w/w%, glycerol methacrylate (hereinafter referred to as GMA) 30w/w%, ethylene glycol dimethyl third
Olefin(e) acid ester (hereinafter referred to as EDMA) 0.5w/w%, Photoepolymerizationinitiater initiater (2-hydroxy-2-methyl-1-phenyl-propan-1-ketone)
0.5w/w%, glycerine: 10w/w%) 23 μ l, chimeric with the punch A of the PP after plasma treatment, in a nitrogen atmosphere, shine
Penetrate 5 minutes light (wavelength: 365nm, 1mW/cm2), make contact lenses formation monomer composition be polymerized.
Two moulds are separated as a result, according to punch A carries out the effect of plasma treatment, contact lenses semi-products exist
Adhere on punch A.Punch A and die B, in the space of combination two moulds, forms above radius of curvature 6.6mm, below curvature half
Footpath 6.6mm, center thickness 0.024mm, the contact lenses semi-products of external diameter 10.92mm.
In order to make the layout that exposing surface is Fig. 1 of contact lenses semi-products, by dye compositions (2-HEMA:
30w/w%, iron oxide: 40w/w%, titanium oxide: 20w/w%, tackifier (PVP): 10w/w%) move
Print, to reach thickness 10 μm, is placed 10 minutes at about 25 DEG C in blower.The surface of the dye compositions after drying coated
And be fixed.
In the die C of PP, fill above-mentioned contact lenses formation monomer composition 35 μ l, place in blower, with
The punch A of the contact lenses semi-products attachment being fixed with dye compositions is fitted together to, and in a nitrogen atmosphere, irradiates 5 minutes light (ripples
Long: 365nm, 3mW/cm2).It is polymerized by this irradiation contact lenses formation monomer composition.Then, by die C with convex
When mould A separates, polymer adheres on punch A.
When the punch A that polymer adheres to is impregnated in Purified Water 5ml, polymer swells, takes off from mould A.
Polymer after expanding in new Purified Water 5ml at room temperature impregnates 10 minutes.The exchange 5 of above-mentioned Purified Water is repeated
Secondary, remove the stripping property composition in polymer.Then, equipped with sodium chloride-containing 0.9w/v% and sodium versenate
Add polymer in the PP container of the Purified Water 1ml of 0.03w/v%, seal with multilayer film, autoclave sterilizing 20 at 121 DEG C
Minute.After cooling, peel off multilayer film, check polymer.With PW:-3.00D, CT:0.11mm, diameter: 14.2mm obtains at eyeglass
It is internally formed the colored contact lens of the squama pattern of Fig. 1.This eyeglass is with a diameter of 8.0mm of central vision region, colour attaching area
Territory is that the width 2.5mm of radial direction is formed as circular.
About comparative example 1～the design of comparative example 4, form painted areas by above-mentioned same manufacture method.Simple eye wear
With these 5 kinds of each colored contact lens, wearer observes the eyes of oneself with mirror, and whether pupil seems that nature is big, with bore hole
Another eye compare.Indoor are worn and were compared after 15 minutes.Change is worn with eye, operates equally, and two are all carried out really
Recognize.Although it should be noted that need not reiterate, but wearing with front carrying out the chemistry such as drug release test at each contact lenses
Analysis, cell toxicity test, rabbit eyes are worn with various tests such as tests, confirm security fully.
Metewand according to tester is:
Evaluation point 2: the pupil of black becomes big with seeming nature (not wearing with painted lenses).
Evaluation point 1: the pupil of black is the most unnatural (sometimes wearing with painted lenses), but seems to become big.
Evaluation point 0: the pupil of black is unnatural (wearing with painted lenses), or does not seem to become big.
The results are shown in table 1.
[table 1]
Following item as shown in Table 1.
Squama pattern for Fig. 1 of embodiment 1 seems the biggest.
On the other hand, the dot pattern for Fig. 3 of comparative example 1 is formed at the black deep with the boundary portion dot pattern of white of the eye
The unclear border being mixed with the white of white of the eye, it appears that the most unnatural.Curve for Fig. 4 of comparative example 2
Pattern, has seen nature with the boundary portion of white of the eye, but the contrast of the deep black of the pattern of eyeglass center side and the black of iris
Difference understand, give the sensation worn with colored contact lens, it appears unnatural.The rod of Fig. 5 and spoke figure for comparative example 3
Case is clear with what the white of white of the eye was mixed at the black deep with the rod and spoke pattern of the boundary portion linearity of white of the eye
Border be absorbed in inside dearly, it appears that unnatural.The boundary portion with white of the eye of ring patterns for Fig. 6 of comparative example 4
See nature, but the deep black of eyeglass center side is clear with the difference of the contrast of the black of iris, gives wearing and uses tinted contact
The sensation of glasses, it appears unnatural.
Embodiment 2
In addition to the layout of Fig. 1 is become the design shown in Fig. 7～Figure 10, operate similarly to Example 1, make
Each colored contact lens.The design of Fig. 7～Figure 10 is all to carry out the curvature of rear end side respectively about the shape colouring opaque portion
The example of kind of change, shape (33) (Fig. 9) that the center position for linearity (13) (Fig. 7, Fig. 8), towards eyeglass bends, with straight
Line links the shape (23) (Figure 10) of 2 on circular arc.It should be noted that the difference of Fig. 7 with Fig. 8 is, Fig. 7 is coloring
The example that the size in opaque portion tapers into towards the center position of eyeglass, in contrast, in Fig. 8, be not change size
Example.About these each eyeglasses, carry out evaluation test similarly to Example 1.The results are shown in table 2.
[table 2]
As shown in Table 2, the colored contact lens of the present invention makes pupil seem big and natural.
Embodiment 3
Operate similarly to Example 1, by chimeric with punch A for the die C of PP, be polymerized.Die C fill above-mentioned
Contact lenses are formed with monomer composition 60 μ l.It addition, it is thicker than the eyeglass of embodiment 1 with the polymer of formation in this die C
Mode is designed.When being separated with punch A by die C, polymer adheres on punch A.This die is fixed on contact lenses
On the axle of manufacture lathe, rotate with 300RPM, cut polymer with diamond tool, be finish-machined to contact lens shape.With reality
Execute example 1 similarly to be impregnated in Purified Water 5ml by the punch A that the polymer being finish-machined to contact lens shape adheres to, implement same
The process of sample, checks polymer.Obtain being internally formed Fig. 1 at eyeglass with PW:-3.00D, CT:0.11mm, diameter: 14.2mm
The colored contact lens of squama pattern.
Industrial applicability
The present invention can be manufactured imparting very naturally outward appearance by the continuity of conventional art, be had to change and wear use
The colored contact lens of the pattern of the apparent color of the pupil of person, therefore, it is not necessary to import on new equipment and suppression cost
Rise, it is possible to the widespread demand of reply consumer.
The explanation of symbol
1,61 ... colored contact lens
2 ... colour opaque portion
7,27,36 ... central vision region
8,28,37,38,39,41,48 ... painted areas
10 ... transparent peripheral region
50 ... contact lenses formation monomer composition
51 ... contact lenses semi-products
Claims (7)
1. a colored contact lens, be have transparent central vision region and be enclosed in painted areas about
Look contact lenses, it is characterised in that
Described painted areas is formed substantially by the continuous print hyalomere as sea part and discontinuous as island part
The island structure that look opaque portion is constituted,
Each colours opaque portion and becomes round in each angle making isosceles triangle, makes the appropriately curved squama shape in each limit,
The opaque portion of coloring being positioned at the farthest most peripheral in the center away from eyeglass is, in the base part of described isosceles triangle
The curved shape formed is towards lens periphery direction, and has circular arc, straight line or connect the several points on circular arc with straight line
One of shape,
The opaque portion of discontinuous coloring of described island part has radially 70～600 μm at eyeglass, the circumference at eyeglass
The size of upper 40～300 μm.
2. colored contact lens as claimed in claim 1, it is characterised in that the squama in the opaque portion of described coloring is shaped as,
Make to be formed at the center position bending towards eyeglass of the second-class rim portion of isosceles triangle, make to be formed at base part
The peripheral direction bending towards eyeglass and arrange,
The curvature that second-class rim portion is formed towards center of lens is by being more than what the base part towards lens periphery was formed
The circular arc of curvature.
3. colored contact lens as claimed in claim 1 or 2, wherein, makes the base part institute in the opaque portion of described coloring
The curved shape formed is circular arc, and the curvature of the circular arc that described base part is formed is the distance of this arc and center of lens
Within reciprocal 3 times.
4. colored contact lens as claimed in claim 1 or 2, wherein, the size in the opaque portion of described coloring is towards eyeglass
Center position tapers into.
5. colored contact lens as claimed in claim 1 or 2, wherein, the number in the opaque portion of described coloring is towards eyeglass
Center position gradually decreases.
6. colored contact lens as claimed in claim 1 or 2, wherein, from the surrounding edge of described painted areas towards eyeglass
Center position in the ring-type scope of width 1～3.5mm, multiple opaque portions of described coloring are at the center position of eyeglass and mirror
The peripheral direction of sheet is connected with each other.
7. colored contact lens as claimed in claim 1 or 2, it is characterised in that also have and be enclosed in described painted areas week
The transparent peripheral region enclosed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012033475 | 2012-02-20 | ||
| JP2012-033475 | 2012-02-20 | ||
| PCT/JP2013/053773 WO2013125470A1 (en) | 2012-02-20 | 2013-02-18 | Colored contact lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104246580A CN104246580A (en) | 2014-12-24 |
| CN104246580B true CN104246580B (en) | 2016-08-17 |
Family
ID=49005656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380004726.6A Expired - Fee Related CN104246580B (en) | 2012-02-20 | 2013-02-18 | colored contact lens |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5369273B1 (en) |
| KR (1) | KR101612743B1 (en) |
| CN (1) | CN104246580B (en) |
| WO (1) | WO2013125470A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6190133B2 (en) * | 2013-03-25 | 2017-08-30 | Hoya株式会社 | Ophthalmic lens design method and ophthalmic lens manufacturing method |
| SG2013035662A (en) * | 2013-05-08 | 2014-12-30 | Menicon Singapore Pte Ltd | Systems and methods for printing on a contact lens |
| WO2016024431A1 (en) * | 2014-08-11 | 2016-02-18 | 株式会社メニコンネクト | Colored contact lens |
| CN105487256B (en) * | 2016-02-16 | 2018-11-13 | 三门新贤科技有限公司 | Active U.S.'s pupil glasses |
| CN105467616A (en) * | 2016-02-16 | 2016-04-06 | 侯绪华 | Colorful contact lens |
| CN106127830A (en) * | 2016-09-06 | 2016-11-16 | 成都通甲优博科技有限责任公司 | The making of a kind of virtual beauty pupil pupil sheet and display packing |
| CN117555164A (en) * | 2017-06-14 | 2024-02-13 | 株式会社目立康 | Contact lens for beauty |
| TWI771661B (en) * | 2020-03-06 | 2022-07-21 | 摩爾應材有限公司 | Flexible film, eye lens, eye lens' container and operating method thereof |
| TWI790754B (en) * | 2020-03-06 | 2023-01-21 | 摩爾應材有限公司 | Flexible film, eye lens, eye lens' container and operating method thereof |
| CN114690441A (en) * | 2022-03-30 | 2022-07-01 | 金陵科技学院 | Colloidal crystal embedded blue light-proof contact lens and preparation method thereof |
| TWI837011B (en) * | 2023-06-05 | 2024-03-21 | 開眼光學研發股份有限公司 | Apparatus and method for forming a colorful pattern on a contact lens |
| JP7515033B1 (en) | 2024-02-27 | 2024-07-11 | 株式会社シード | Contact lenses for animals having colored portions and their manufacturing method |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR101612743B1 (en) | 2016-04-15 |
| CN104246580A (en) | 2014-12-24 |
| WO2013125470A1 (en) | 2013-08-29 |
| JPWO2013125470A1 (en) | 2015-07-30 |
| JP5369273B1 (en) | 2013-12-18 |
| KR20140097491A (en) | 2014-08-06 |
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