CN1158558C - Colored contact lenses with more natural apperance - Google Patents
Colored contact lenses with more natural apperance Download PDFInfo
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- CN1158558C CN1158558C CNB998039152A CN99803915A CN1158558C CN 1158558 C CN1158558 C CN 1158558C CN B998039152 A CNB998039152 A CN B998039152A CN 99803915 A CN99803915 A CN 99803915A CN 1158558 C CN1158558 C CN 1158558C
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- iris portion
- iris
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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
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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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- Ophthalmology & Optometry (AREA)
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Abstract
A colored contact lens (10) having a non-opaque pupil section (20), an iris section (22) surrounding said pupil section, and a colored, opaque, intermittent pattern over the iris section which is indiscernible to the ordinary viewer. The pattern is made up of a first portion having a first shade, a second portion having a second shade different from the first shade, and a third portion having a shade different from the second portion and either the same or different from the first portion. A first uneven border differentiates the first and second portions, and a second uneven border differentiates the second and third portions, however, said portions may overlap. The lens is capable of changing the appearance of the iris of the person wearing the lens.
Description
The application is based on the previous provisional application No.60/033829 of the pending trial of submitting on March 12nd, 1998.Right of priority is applied for based on this.
Technical field
The present invention relates to colored contact lens, more particularly, the opaque coloured moiety that the present invention relates to have the apparent colour that can change wearer's iris produces this lens of utmost point natural look simultaneously again.
The background of invention
The early stage attempt that changes or strengthen people's eye color has utilized the colored contact lens in the coloured district of simple solid with the iris that covers user's eyes.Yet the such contact lens with opaque color has extremely factitious outward appearance.Once developed the colored contact lens of another kind of type, for example, the U.S. Patent No. 3679504 of Wichterle discloses a kind of opaque lens, and it makes the more than a kind of color of iris, be with artistic method draw come or duplicate out with photographic means.Yet this lens never obtain the coml success.In following document, disclose and produced opaque lens other trial: U.S. Patent No. 3536386 (Spivak) with natural look; 3712718 (LeGrand); 4460523 (Neefe); 47 19657 (Bawa); 4744647 (Meshel etc.); 4634449 (Jenkins); Europe monograph application No.0309154 (Allergan); UK Patent Application No.2202540A (IGEL).
The colored contact lens of describing in the US Patent No 4582402 of Knapp has obtained business success, and it discloses a kind of contact lens with coloured opaque site in preferred embodiments.The Knapp lens have used stipple pattern simple, monochromatic, printing, manufacture simple and inexpensive, and have the outward appearance of nature.Though the discontinuous pattern of site does not cover iris fully, it provides enough big dot density, provides color continuous outward appearance with its masking effect when general viewers is observed.Knapp is also open: can use the different pattern of the different colours step one or many of repeating print, this is because find that when close examination many people's iris comprises more than a kind of color.Consider the reinforcement of the fine structure of iris, printed patterns does not need evenly absolute.The site of the monochromatic Knapp lens of current acquisition business success is arranged to irregular pattern, to strengthen the structure of iris.Yet, no matter be the Knapp lens that obtain business success, the still patent of Knapp all not have to disclose or advises how arranging the stipple pattern of more than a kind of color to realize more natural outward appearance.
Various effort have been made in order to improve the Knapp lens.The U.S. Patent No. 5414477 of Jahnke discloses the application of discontinuous ink logo in the two or more different tone parts of colorant, thereby more natural outward appearance can be provided.
The other that produces the lens of more natural outward appearance attempts comprising the United States Patent (USP) NO.5120121 of Rawlings, and it discloses the set of more interconnective lines, these lines from the ambient radiation of pupil part around iris portion.In addition, European patent No.0472496A2 expresses a kind of contact lens, and it has the pattern of line, to be replicated in some lines of finding in the iris.
No matter the result of these effort how, contact lens industry continues to seek colored contact lens cheaply, and it can strengthen or change the color of eyes, can also provide the degree of depth and tissue intrinsic in people's the iris simultaneously.
The general introduction of invention
Basis of the present invention comes from following surprising discovery: if configuration is correct, and the opaque pattern of the polychrome iris that can realize having more natural outward appearance then.The improvement that is better than the outward appearance of monochromatic Knapp lens and double-colored Jahnke lens is beat all.Similar with monochrome and double-colored lens, lens of the present invention can make the apparent colour generation basic change of wearer's iris, for example become light blue or green from dark brown.Though the preferred embodiments of the invention are a kind of 3 color lens, the different colours stack is wherein arranged, also can imagine more than 3 kinds of colors, and it is contemplated that the lens of all 3 kinds of (or multiple) different colours stacks.
An object of the present invention is to provide a kind of colored contact lens, said lens have transparent pupil part, the iris portion of surrounding the pupil part and coloured, opaque, the discontinuous pattern on this iris portion.The element of pattern is inseparable distinguishing for common observer, and is made of first, second and third part pattern element; First's pattern element is the outermost asterism, has first tone; The second portion pattern element is outer asterism, has second tone that is different from said first tone; The third part pattern element is interior asterism, have be different from said second tone but with first tone or different or identical three color scheme.The outermost asterism is positioned at the outside of iris portion substantially and is positioned at the outside of outer asterism substantially, the outside of asterism in outer asterism is positioned at substantially.Outermost asterism and outer asterism can be distinguished in the first non-homogeneous border, and outermost asterism and outer asterism have overlapping certainly.Outer asterism and interior asterism can be distinguished in the second non-homogeneous border, and outer asterism and interior asterism have overlapping certainly.So, a kind of lens can be provided, it can change the apparent colour of the person's that wears lens iris, and has extremely natural outward appearance.
Another object of the present invention provides a kind of colored contact lens, said lens have transparent pupil part, the iris portion of surrounding the pupil part and coloured, opaque, the discontinuous pattern on this iris portion, and it stays sizable part in the inside, gap of pattern is transparent.Pattern covers about 25% of iris portion area at least.The element of pattern is inseparable distinguishing for common observer.First's pattern element is the outermost asterism, has first tone; The second portion pattern element is outer asterism, has second tone that is different from said first tone; The third part pattern element is interior asterism, have be different from said second tone but with first tone or different or identical three color scheme.The outermost asterism is positioned at the outside of iris portion substantially and is positioned at the outside of outer asterism substantially, the outside of asterism in outer asterism is positioned at substantially.Outermost asterism and outer asterism can be distinguished in the first non-homogeneous border, and certain outermost asterism and outer asterism have overlapping, and outer asterism and interior asterism can be distinguished in the second non-homogeneous border, and outer asterism and interior asterism have overlapping certainly.The first non-homogeneous border apart from the minor increment of said iris portion neighboring be said iris portion radial width about 5% to about 60%.The first non-homogeneous border apart from the ultimate range of said iris portion neighboring be said iris portion radial width about 25% to about 95%.The second non-homogeneous border apart from the minor increment of said iris portion neighboring be said iris portion radial width about 15% to about 75%.The second non-homogeneous border apart from the ultimate range of said iris portion neighboring be said iris portion radial width about 50% to about 95%.So, a kind of lens can be provided, it can change the apparent colour of the person's that wears lens iris, and has extremely natural outward appearance.
Another object of the present invention provides a kind of colored contact lens, said lens have transparent pupil part, the iris portion of surrounding the pupil part and coloured, opaque, the discontinuous pattern on this iris portion, and it stays sizable part in the inside, gap of pattern is transparent.Pattern covers about 25% of iris portion area at least.The element of pattern is inseparable distinguishing for common observer.First's pattern element is the outermost asterism, has first tone; The second portion pattern element is outer asterism, has second tone that is different from said first tone; The third part pattern element is interior asterism, have be different from said second tone but with first tone or different or identical three color scheme.The outermost asterism is positioned at the outside of iris portion substantially and is positioned at the outside of outer asterism substantially, the outside of asterism in outer asterism is positioned at substantially.Outermost asterism and outer asterism can be distinguished in the first non-homogeneous border, and overlapping although outermost asterism and outer asterism have, outer asterism and interior asterism can be distinguished in the second non-homogeneous border, although outer asterism and interior asterism have overlapping.The first non-homogeneous border apart from the minor increment of said iris portion neighboring be said iris portion radial width about 15% to about 50%.The first non-homogeneous border apart from the ultimate range of said iris portion neighboring be said iris portion radial width about 45% to about 95%.The second non-homogeneous border apart from the minor increment of said iris portion neighboring be said iris portion radial width about 15% to about 65%.The second non-homogeneous border apart from the ultimate range of said iris portion neighboring be said iris portion radial width about 60% to about 95%.So, a kind of lens can be provided, it can change the apparent colour of the person's that wears lens iris, and has extremely natural outward appearance.
Terminology used here " transparent " be intended to describe a part of lens, this part or colourless, or coloured but have translucent color.
As used herein, " " (or some similar language) means: two kinds of tones have diverse color to term, as blue and filbert to be different from second tone of said first tone; Perhaps, two kinds of tones are with a kind of primary colours, but have different intensity, as light blue and mazarine.
" common observer " means the about 5 feet people with normal 20-20 eyesight of people who stands in apart from wearing lens of the present invention to term.
Brief description of drawings
Fig. 1 represents the pattern according to a kind of contact lens of the present invention;
Fig. 2 represents the outermost asterism according to the pattern of a kind of contact lens of the present invention;
Fig. 3 represents the outer asterism according to the pattern of a kind of contact lens of the present invention;
Fig. 4 represents the interior asterism according to the pattern of a kind of contact lens of the present invention.
Detailed description of the preferred embodiments
Fig. 1 represents according to contact lens 10 of the present invention.It has transparent pupil part 20 in the central authorities of lens, and has the iris portion 22 of annular to surround this transparent pupil part.For hydrophilic lens, the peripheral part (not shown) surrounds iris portion 22.Coloured, opaque, the discontinuous pattern in location on iris portion 22, as shown in Figure 1.It is transparent that this pattern stays quite most iris portion in the crack betwixt.In Fig. 1, the clear area of iris portion 22 is a white.
The element of this pattern is some sites preferably, and some spot is got together then better, as shown in Figure 1.The compactness extent of the site of the middle body of covering iris portion 22 is little than other parts.The less part of compactness extent that covers iris forms and is roughly the radial spoke strip.The structure of the people's who wears lens iris has been strengthened in this arrangement.
Certainly, opaque pattern can be made up of the site with Any shape, and the site can be a regular shape, or irregularly shaped, as: circle, square, sexangle, elongated shape, etc.In addition, the element of pattern can also have other shapes outside the site, covers at least about 25% iris and to stay quite most iris portion in pattern interval be transparent as long as these elements are that common observer can not differentiate, these elements.
Improvement of the present invention is a kind of multicolor patterns, and this multicolor patterns has greatly improved the natural look of wearer's iris, even is better than monochromatic and double-colored lens.In order to produce 3 looks (or polychrome) pattern, should be at 3 (or a plurality of) part or look district printing net-point (or certain other elements).First's element has first tone, and is positioned at the outside of iris portion substantially, promptly near the neighboring of annular iris portion or its, and it can be referred to as the outermost asterism.In Fig. 2, express preferred first an Outboard Sections pattern, or the outermost asterism.The black color through being commonly used for the outermost asterism is the most common practice.The second portion element has second tone that is different from first tone, and is positioned the inboard of outermost asterism substantially, and is partly surrounded by the outermost asterism substantially.In Fig. 3, express preferred second an inside part pattern, or outer asterism.The color of outer asterism has many, for example blueness, grey, brown or green.The third part element have be different from second tone but with first tone or identical or different three color schemes, and be positioned the inboard of outer asterism substantially, and partly surround by outer asterism substantially.In Fig. 4, express preferred the 3rd an inside part pattern, or interior asterism.The preferred colors of interior asterism is filbert.Fig. 1 is the preferred embodiments of the invention, and it is Fig. 2,3,4 combined result.
The outermost asterism part and the outer asterism part of pattern element can be distinguished in the first non-homogeneous border, but outermost asterism and outer asterism have overlapping.The outer asterism part and the interior asterism part of pattern element can be distinguished in the second non-homogeneous border, but outer asterism and interior asterism have overlapping.If Fig. 2,3,4 combinations of patterns form one 3 color lens together, the non-homogeneous edge of pattern then shown in Figure 2 will with combinations of patterns shown in Figure 3 and overlapping, the outermost asterism and outside form the first non-homogeneous border between the asterism.And then, the non-homogeneous edge of pattern shown in Figure 4 will with combinations of patterns shown in Figure 3 and overlapping, form the second non-homogeneous border outside between asterism and the interior asterism.
In some cases, outer asterism may comprise that the periphery to lens extends to such an extent that extend farther pattern than outermost starburst pattern.In some cases, outer asterism may comprise that the pupil to lens partly extends to such an extent that extend farther pattern than interior starburst pattern.
Replaceable embodiment of the present invention comprises minimum and the ultimate range of non-homogeneous border apart from the neighboring of iris portion.For example, in the embodiment of a replaceable scheme, the first non-homogeneous border is that about 5%-about 60%, the first non-homogeneous border of iris portion radial width is about 25%-about 95% of iris portion radial width apart from the ultimate range of the neighboring of iris portion apart from the minor increment of the neighboring of iris portion; The second non-homogeneous border is that about 15%-about 75%, the second non-homogeneous border of iris portion radial width is about 50%-about 95% of iris portion radial width apart from the ultimate range of the neighboring of iris portion apart from the minor increment of the neighboring of iris portion.
In another embodiment, the first non-homogeneous border is that about 15%-about 50%, the first non-homogeneous border of iris portion radial width is about 45%-about 95% of iris portion radial width apart from the ultimate range of the neighboring of iris portion apart from the minor increment of the neighboring of iris portion; The second non-homogeneous border is that about 15%-about 65%, the second non-homogeneous border of iris portion radial width is about 60%-about 95% of iris portion radial width apart from the ultimate range of the neighboring of iris portion apart from the minor increment of the neighboring of iris portion.
In another embodiment, outer asterism pattern extends to such an extent that extend closelyer than outermost starburst pattern to the periphery of contact lens to the periphery of contact lens, and/or outer asterism pattern partly extends to such an extent that partly extend closelyer than interior starburst pattern to pupil to pupil.
In another embodiment, interior starburst pattern or with the outermost starburst pattern or with outer asterism pattern or interconnected with the two pattern generating.And then the pattern of outermost asterism can be interconnected with the pattern generating of outer asterism.A kind of interconnected in, a kind of pattern intersects with another kind of pattern, the finger that is similar to a hand is placed on the form that becomes a plane between the finger of another hand.In addition, can utilize the 4th district, the color in the 4th district wherein or identical with second district is perhaps different with second district.This 4th district and the 3rd district are interconnected.
The method for optimizing that produces the opaque section of iris portion is: the United States Patent (USP) 5034166 of the Rawling that the known printing process of the United States Patent (USP) 4582402 of the Knapp that use reference is here quoted and reference are here quoted and 5116112 known printing process, carry out 3 printings for lens.In general, utilize the printing ink of expectation tone to smear dry plate or the base plate with depression, said depression has the pattern of expectation.Surface with the doctor blade dry plate makes depression be full of printing ink, removes unnecessary printing ink.Push down said plate so that pick up printing ink with silicone rubber pad, push down the surface of lens so that to this pattern of lens transfer printing with this silicone rubber pad then from depression.This pattern then, solidifies the pattern of this printing, so that can not be removed from lens.Certainly, the front surface of lens or rear surface all can be printed, but the present preferred practice is the printing front surface.
The preferred lens and the ink composition that use for enforcement the present invention all are known, and here are described in the United States Patent (USP) 4668240 with reference to the Loshaek that quotes.Describe specific component and target weight below in detail.In brief, by have-COOH ,-OH or-lens that the polymkeric substance of NH2 base constitutes are by a kind of ink printing, said printing ink comprises; Have the adhesive polymer of same functional group, opaque color substance and the diisocyanate cpd of adding.At first a kind of potpourri of pigment and solvent is pulverized, and itself and binder polymer (one or more) are mixed into paste.Add the potpourri of monomer and hexamethylene diisocyanate, form printing ink.The viscosity of preferred adhesive polymer solution is about 35000CPS for blueness, grey and black, is about 50000CPS for green.Printing and solidify opaque printing ink on the surface of lens.
Use composition and the percentage (by weight) described in the ink colors chart below, can obtain the printing ink paste and the dyestuff that can utilize in the present invention in a series of different modes.For example, use 63.49% binder solution (by weight), 30.00% ethyl lactate, 0.61% titania, 0.06%PCN indigo plant, 4.3% iron oxide yellow and 1.54% iron oxide red, just can make filbert printing ink paste.Though preferred embodiment has been used these colors, can also use the percentage of other color or change component.Following chart is the possible paste and the representative instance of dyestuff level, is not a complete form.The common technique personnel of this area can develop other paste and dyestuff level, so that the strengthening effect for the people's who wears contact lens iris to be provided.
| Printing ink paste color code | Blue | Grey | ||||
| General assembly (TW) (gram) | 600 | 3000 | 600 | 3000 | ||
| Component | Percent by weight | Target weight | Target weight | Percent by weight | Target weight | Target weight |
| Ethyl lactate | 30.55 | 183.30 | 916.50 | 30.75 | 184.50 | 922.50 |
| Adhesive solvent | 61.15 | 366.90 | 1834.50 | 59.84 | 359.10 | 1795.5 |
| PCN indigo plant | 1.21 | 7.26 | 36.30 | |||
| PCN is green | 0.23 | 1.38 | 6.90 | |||
| TiO 2 | 7.09 | 42.54 | 212.70 | 7.34 | 44.04 | 220.20 |
| Iron black | 1.83 | 10.98 | 54.90 | |||
| Iron oxide red | ||||||
| Iron oxide yellow | ||||||
| Iron is brown | ||||||
| Abrasive media | 600 | 3000 | 600 | 3000 | ||
| Printing ink paste color code | Brown | Filbert | ||||
| General assembly (TW) (gram) | 651 | 3000 | 651 | 3000 | ||
| Component | Percent by weight | Target weight | Target weight | Percent by weight | Target weight | Target weight |
| Ethyl lactate | 30.00 | 180.00 | 900.00 | 30.00 | 180.00 | 900.00 |
| The bonding agent solute | 55.10 | 330.60 | 1653.00 | 63.49 | 380.94 | 1904.70 |
| PCN indigo plant | 0.06 | 0.36 | 1.80 | |||
| PCN is green | ||||||
| TiO2 | 0.61 | 3.65 | 18.3 | |||
| Iron black | 5.70 | 34.20 | 171.00 | |||
| Iron oxide red | 3.45 | 20.70 | 103.50 | 1.54 | 9.25 | 46.20 |
| Iron oxide yellow | 4.30 | 25.80 | 129.00 | |||
| Iron is brown | 5.75 | 34.50 | 172.50 | |||
| Abrasive media | 600 | 3000 | 600 | 3000 | ||
| Printing ink paste color code | Green | Black | ||||
| General assembly (TW) (gram) | 651 | 3000 | 651 | 3000 | ||
| Component | Percent by weight | Target weight | Target weight | Percent by weight | Target weight | Target weight |
| Ethyl lactate | 28.53 | 185.73 | 855.90 | 23.98 | 156.11 | 719.40 |
| The bonding agent solute | 63.85 | 415.66 | 1915.50 | 64.04 | 416.90 | 1921.20 |
| PCN indigo plant | 0.03 | 0.20 | 0.90 | |||
| PCN is green | ||||||
| TiO 2 | ||||||
| Iron black | 11.98 | 77.99 | 359.4 | |||
| Iron oxide red | ||||||
| Iron oxide yellow | ||||||
| Cr 2O 2 | 7.59 | 49.41 | 227.70 | |||
| Iron is brown | ||||||
| Abrasive media | 850 | 4298 | 850 | 4298 | ||
Certainly, can use interchangeable mode to form coloured opaque element of lens.For example, can be with some selected parts of the iris portion of the moistening hydrophilic lens of the solution impregnation of first kind of material (as barium chloride).Then, these lens are immersed in the solution of second kind of material (as sulfuric acid), form opaque water-fast precipitation with first kind of material, as barium sulphate.So, in the iris portion of lens inside, formed opaque precipitation according to a predetermined pattern.Subsequent, according to the present invention, make all of iris portion or be that opaque pattern adds color at least, become coloured opaque pattern.If whole iris has translucent shade of color, the gap of pattern inside will be this translucent tone so, but still be transparent according to the present invention.Randomly, can partly add transparent tone for the pupil of lens, this is because this tone is invisible when lens face toward the pupil of the dark that exists in wearer's eyes.The method of interchangeable generation opaque state in addition comprises uses laser instrument (United States Patent (USP) 4744647) and meticulous abrasive grains (United States Patent (USP) 4460523).
The method of generation colored contact lens of the present invention as described below.Transparent contact lens is provided, and these lens comprise at least one pupil part and an iris portion of surrounding the pupil part.
If these lens are made of hydrophilic material, it also has the iris portion of surrounding the pupil part.For water wetted material, finish the step that describes below with the material that is in unhydrated state.In the United States Patent (USP) 4405773 with reference to the Loshaek that quotes preferred water wetted material is disclosed here.
Can be in any way to this multicolour pattern of iris portion deposit of lens.Current preferable methods is the printing of hectograph pad, is described in more detail below.
Preparation plate (not shown), it has straight surface and corresponding to the circular depressed of the stipple pattern of expectation.Arrange for these depressions, make it can cover shape corresponding to an annular of the shape of the iris portion of lens.
This plate can be by the well-known technology manufacturing that is used to make integrated circuit simulation or numeral.At first, prepare a pattern, its size is about the pattern of 20 times of expectations.Then, use well-known photographic means that this pattern is narrowed down to the pattern with accurate desired size, wherein make part to be colored darker than all the other districts.Cover straight surface with a kind of photoetching agent material, said photoetching agent material becomes water-insoluble exposing to the light time.With said pattern covers photoetching agent material, and make the exposure of photoetching agent material.Remove photoetching agent pattern by the water cleaning, and final plate is etched into the required degree of depth.Then, remove the remainder of photoetching agent material with mechanical means.
Deposit colorant and scraped said pattern with scraper on the flat surface of plate, said colorant comprises dyestuff and bonding agent or is used for the carrier of this dyestuff and adhesive accelerant.This will make depression be full of printing ink, remove unnecessary printing ink from flat surface simultaneously.Colorant can more or less be opaque, and this depends on the desired color intensity of variation.Ratio by dyestuff and bonding agent in the change colorant can change opacity.Be appreciated that by using high opacity colorant perhaps have the colorant of less slightly opacity and cover the surface of the iris portion of major part, can obtain desired effects by use.
That one is made by silicon rubber and be pressed on the said pattern in order to the pad that unclamps with silicone oil dipping, remove removal ink from depression.Printing ink on the pad is slightly done to improve viscosity, pressed to the front surface of contact lens then, on iris portion, press the patterned deposition printing ink of expectation.Certainly, this pad must have enough big flexibility, with the front surface of the protrusion that adapts to lens.Consider the reinforcement of the fine structure of iris, the pattern of printing do not need absolute evenly.
Below, handle for the pattern of deposit, so that the pattern of deposit can not split away off from lens at (lens will be run into this situation when lens are placed on intraocular) under the situation that is exposed to intraocular liquid.Prevent that the correct method that comes off from depending on the material and the structure of lens and pattern.As long as air drying or for example just enough 85 ℃ of heating 45 minutes.For hydrophilic lens, can use the technology of describing in the United States Patent (USP) 4668240 (here with reference to quoting) of Loshaek that is used to apply opaque pattern.
Method according to manufacturing colored contact lens of the present invention comprises the steps; To the surface applied 3 part colorants of a transparent contact lens, and said colorant can not be come off by intraocular liquid.The contact lens of printing has transparent pupil part and surrounds said pupil part and have the iris portion of 3 part colorants.First's colorant is the outermost asterism, has first tone; The second portion colorant is outer asterism, has second tone that is different from said first tone, and the third part colorant is interior asterism, have be different from said second tone but with first tone or different or identical three color scheme.The outermost asterism is positioned at the outside of iris portion substantially and is positioned at the outside of outer asterism substantially, the outside of asterism in outer asterism is positioned at substantially, outermost asterism and outer asterism can be distinguished in the first non-homogeneous border, although outermost asterism and outer asterism partly have overlapping, outer asterism and interior asterism can be distinguished in the second non-homogeneous border, although outer asterism and interior asterism have overlapping.So, a kind of lens are provided, it can change the apparent colour of the person's that wears lens iris, and has extremely natural outward appearance.
For the step of the discontinuous patterns of deposit on lens surface comprises: use first plate with depression, said depression is filled said depression corresponding to first or outermost asterism with the colorant (being preferably black) with first tone.Then, first flexible pad is pressed on first plate, subsequently first flexible pad is pressed onto on the surface (or side) of lens, printed first's element whereby.
Subsequent, use second plate with depression, said depression is filled said depression corresponding to second portion or outer asterism with the colorant with second tone that is different from first tone (being preferably blueness, green, grey or brown).Then, second flexible pad is pressed onto on second plate, subsequently second flexible pad is pressed onto on the surface (or identical or opposite surfaces) of lens, printed the second portion element whereby.
At last, use the 3rd plate with depression, said depression is corresponding to third part or interior asterism, is different from second tone but fills said depression with first tone or identical or different colorants (being preferably filbert) with having.Then, the 3rd flexible pad is pressed onto on the 3rd plate, subsequently the 3rd flexible pad is pressed onto on the surface (either side) of lens, printed the third part element whereby.
Though be provided with an order for printing various piece on lens in narration during above listed step, the order of printing is not critical to the present invention, any other order is all covered by the present invention.And then said method can comprise previous minimum and maximum distance listed in replaceable embodiment, produce non-homogeneous border.
As can be seen, lens provided by the invention can change the outward appearance of wearer's iris, the fine structure that can also see iris simultaneously.All can carry out various variations on functions of components and structure: the parts of equivalence can replace the parts of above explanation and expression; With, can independently adopt some characteristic and do not depart from design of the present invention and scope by the definition of following claims.
Claims (10)
1. colored contact lens, said lens have transparent pupil part, surround the iris portion of said pupil part, coloured with on whole iris portion, opaque, discontinuous pattern, it is transparent that this pattern stays sizable part in the crack betwixt, the zone of said pattern covers at least 25% said iris portion, the element of said pattern is inseparable distinguishing for common observer, wherein, the first of described pattern element is first tone, the second portion of described pattern element is second tone that is different from said first tone, the third part of described pattern element has and is different from said second tone, but with first tone or different or identical three color scheme, wherein: said first is positioned at the most external of said iris portion, said third part is positioned at the inboard of the said second portion of said iris portion, said first and second parts are divided in the first non-homogeneous frontier district, the wherein said first non-homogeneous border apart from the minor increment of said iris portion neighboring be said iris portion radial width 5% to 60%, the said first non-homogeneous border apart from the ultimate range of said iris portion neighboring be said iris portion radial width 25% to 95%, the second non-homogeneous frontier district divides said second and third part, wherein the second non-homogeneous border apart from the minor increment of said iris portion neighboring be said iris portion radial width 15% to 75%, the second non-homogeneous border apart from the ultimate range of said iris portion neighboring be said iris portion radial width 50% to 95%, make said first at the said second portion of a plurality of location overlaps, said second portion is in the said third part of a plurality of location overlaps, whereby, a kind of lens can be provided, it can change the apparent colour of the person's that wears lens iris, and has extremely natural outward appearance.
2. the colored contact lens of claim 1, it is characterized in that: the said first non-homogeneous border apart from the minor increment of said iris portion neighboring be said iris portion radial width 15% to 50%, the said first non-homogeneous border apart from the ultimate range of said iris portion neighboring be said iris portion radial width 45% to 95%, the second non-homogeneous border apart from the minor increment of said iris portion neighboring be 15% to 65%, the second non-homogeneous border of the radial width of said iris portion apart from the ultimate range of said iris portion neighboring be said iris portion radial width 60% to 95%.
3. claim 1 or 2 colored contact lens, it is characterized in that: pattern element is the site.
4. claim 1 or 2 colored contact lens, it is characterized in that: pattern element is irregular, can strengthen the fine structure of iris whereby.
5. the colored contact lens of claim 4, it is characterized in that: said first tone is a black, and said second tone is selected from blueness, green, grey and brown, and said three color scheme is filbert.
6. the colored contact lens of claim 4, it is characterized in that: transparent gap is colourless.
7. claim 1 or 2 colored contact lens, it is characterized in that: the said three color scheme of said first color harmony is identical.
8. the colored contact lens of claim 4, it is characterized in that: transparent gap is translucent color.
9. the colored contact lens of claim 1, it is characterized in that: pattern element is transparent.
10. the colored contact lens of claim 1, it is characterized in that: said colored contact lens is a hydrophilic lens.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7782998P | 1998-03-12 | 1998-03-12 | |
| US60/077,829 | 1998-03-12 | ||
| US14447998A | 1998-08-31 | 1998-08-31 | |
| US09/144,479 | 1998-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1294697A CN1294697A (en) | 2001-05-09 |
| CN1158558C true CN1158558C (en) | 2004-07-21 |
Family
ID=26759722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB998039152A Expired - Fee Related CN1158558C (en) | 1998-03-12 | 1999-03-10 | Colored contact lenses with more natural apperance |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP1062541A4 (en) |
| JP (1) | JP2002507001A (en) |
| KR (1) | KR20010041824A (en) |
| CN (1) | CN1158558C (en) |
| AR (1) | AR016188A1 (en) |
| AU (1) | AU755565B2 (en) |
| BR (1) | BR9908632A (en) |
| CA (1) | CA2322939A1 (en) |
| ID (1) | ID27436A (en) |
| TW (1) | TW446830B (en) |
| WO (1) | WO1999046630A1 (en) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6488375B2 (en) * | 1999-10-28 | 2002-12-03 | Ocular Sciences, Inc. | Tinted contact lens and method for making same |
| FI106987B (en) * | 1999-10-28 | 2001-05-15 | Cl Tinters Oy | Apparatus for preparing a screen surface useful in staining contact lenses |
| KR20020064982A (en) * | 2000-01-03 | 2002-08-10 | 웨슬리 제슨 코포레이션 | Contact lens comprising a turquoise colorant |
| US6827440B2 (en) | 2000-01-03 | 2004-12-07 | Wesley Jessen Company | Colored contact lens with a more natural appearance |
| AR029671A1 (en) * | 2000-06-12 | 2003-07-10 | Novartis Ag | COLOR CONTACT LENS WITH MORE NATURAL APPEARANCE AND METHOD FOR MANUFACTURING IT |
| EP1644770A1 (en) * | 2003-07-01 | 2006-04-12 | Novartis AG | Colored contact lenses that enhance cosmetic appearance of light-eyed people |
| US7641336B2 (en) * | 2004-05-12 | 2010-01-05 | Johnson & Johnson Vision Care, Inc | Tinted contact lenses with combined limbal ring and iris patterns |
| US7246903B2 (en) * | 2004-08-19 | 2007-07-24 | Johnson & Johnson Vision Care, Inc. | Tinted contact lenses with combined limbal ring and iris patterns |
| SG129315A1 (en) * | 2005-07-28 | 2007-02-26 | Oculus Ltd | Contact lens that makes the eye appear larger |
| US8066370B2 (en) * | 2008-07-02 | 2011-11-29 | Johnson & Johnson Vision Care, Inc. | Tinted contact lenses with crescent patterns |
| JP6338856B2 (en) | 2010-07-29 | 2018-06-06 | ノバルティス アーゲー | Colored contact lens and method of manufacturing the same |
| WO2012082710A1 (en) * | 2010-12-14 | 2012-06-21 | Novartis Ag | Colored contact lens |
| US9104042B2 (en) * | 2011-11-02 | 2015-08-11 | Johnson & Johnson Vision Care, Inc. | Oriented contact lens with brightly colored sclera |
| CN104246580B (en) * | 2012-02-20 | 2016-08-17 | 目立康奈克特株式会社 | colored contact lens |
| KR101390215B1 (en) * | 2012-11-14 | 2014-04-30 | (주)고려아이텍 | Soft contact lens for presbyopia and method for thereof |
| USD824981S1 (en) | 2017-04-13 | 2018-08-07 | Novartis Ag | Contact lens |
| USD829254S1 (en) | 2017-04-13 | 2018-09-25 | Novartis Ag | Contact Lens |
| USD829255S1 (en) | 2017-04-13 | 2018-09-25 | Novartis Ag | Contact lens |
| USD824443S1 (en) | 2017-04-13 | 2018-07-31 | Novartis Ag | Contact lens |
| USD824444S1 (en) | 2017-04-13 | 2018-07-31 | Novartis Ag | Contact lens |
| USD829795S1 (en) | 2017-04-13 | 2018-10-02 | Novartis Ag | Contact lens |
| US10156736B2 (en) | 2017-04-13 | 2018-12-18 | Novartis Ag | Colored contact lenses and method of making the same |
| USD829253S1 (en) | 2017-04-13 | 2018-09-25 | Novartis Ag | Contact lens |
| USD869534S1 (en) | 2017-04-13 | 2019-12-10 | Novartis Ag | Contact lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3712718A (en) * | 1970-10-23 | 1973-01-23 | J Legrand | Corneal contact lens |
| DE158999T1 (en) * | 1984-04-16 | 1988-09-01 | Schering Corp., Kenilworth, N.J., Us | EYE COLOR CHANGING CONTACT LENS. |
| US4582402A (en) * | 1984-04-16 | 1986-04-15 | Schering Corporation | Color-imparting contact lenses |
| US5120121A (en) * | 1988-07-21 | 1992-06-09 | Allergan, Inc. | Colored lens |
| PT95736B (en) * | 1989-11-01 | 1998-07-31 | Schering Corp | COLORFUL CONTACT LENS THAT HAVE A VERY NATURAL APPEARANCE |
| US5160463A (en) * | 1990-10-30 | 1992-11-03 | Pilkington Visioncare, Inc. | Method of manufacturing a contact lens |
| US5936705A (en) * | 1997-03-31 | 1999-08-10 | Wesley Jensen Corporation | Pattern for color modifying contact lens |
-
1999
- 1999-03-10 CA CA002322939A patent/CA2322939A1/en not_active Abandoned
- 1999-03-10 JP JP2000535957A patent/JP2002507001A/en active Pending
- 1999-03-10 EP EP99912399A patent/EP1062541A4/en not_active Withdrawn
- 1999-03-10 AU AU30782/99A patent/AU755565B2/en not_active Ceased
- 1999-03-10 CN CNB998039152A patent/CN1158558C/en not_active Expired - Fee Related
- 1999-03-10 ID IDW20001764A patent/ID27436A/en unknown
- 1999-03-10 WO PCT/US1999/005281 patent/WO1999046630A1/en not_active Application Discontinuation
- 1999-03-10 KR KR1020007010109A patent/KR20010041824A/en not_active Application Discontinuation
- 1999-03-10 BR BR9908632-8A patent/BR9908632A/en not_active IP Right Cessation
- 1999-03-12 AR ARP990101086A patent/AR016188A1/en unknown
- 1999-03-23 TW TW088103843A patent/TW446830B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR9908632A (en) | 2000-11-14 |
| AU755565B2 (en) | 2002-12-12 |
| TW446830B (en) | 2001-07-21 |
| EP1062541A1 (en) | 2000-12-27 |
| ID27436A (en) | 2001-04-12 |
| JP2002507001A (en) | 2002-03-05 |
| CA2322939A1 (en) | 1999-09-16 |
| WO1999046630A1 (en) | 1999-09-16 |
| EP1062541A4 (en) | 2001-09-26 |
| AR016188A1 (en) | 2001-06-20 |
| AU3078299A (en) | 1999-09-27 |
| KR20010041824A (en) | 2001-05-25 |
| CN1294697A (en) | 2001-05-09 |
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Legal Events
| Date | Code | Title | Description |
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| BB1A | Publication of application | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| ASS | Succession or assignment of patent right |
Owner name: NOVANNIS COMPANY Free format text: FORMER OWNER: WESLEY-JESSEN CORP. Effective date: 20030418 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |