DE2228517C3 - Kontaktlinse - Google Patents
KontaktlinseInfo
- Publication number
- DE2228517C3 DE2228517C3 DE19722228517 DE2228517A DE2228517C3 DE 2228517 C3 DE2228517 C3 DE 2228517C3 DE 19722228517 DE19722228517 DE 19722228517 DE 2228517 A DE2228517 A DE 2228517A DE 2228517 C3 DE2228517 C3 DE 2228517C3
- Authority
- DE
- Germany
- Prior art keywords
- lenses
- methacrylate
- usa
- lens
- contact lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 10
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 9
- 230000035699 permeability Effects 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 210000003786 sclera Anatomy 0.000 claims description 3
- 206010003497 Asphyxia Diseases 0.000 claims description 2
- 206010015946 Eye irritation Diseases 0.000 claims description 2
- 231100000013 eye irritation Toxicity 0.000 claims description 2
- JMMZCWZIJXAGKW-UHFFFAOYSA-N 2-methylpent-2-ene Chemical compound CCC=C(C)C JMMZCWZIJXAGKW-UHFFFAOYSA-N 0.000 claims 1
- 150000001298 alcohols Chemical class 0.000 claims 1
- 239000000017 hydrogel Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 229920002379 silicone rubber Polymers 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 12
- 229920001577 copolymer Polymers 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- -1 fluoroalkyl ethyl methacrylate Chemical compound 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- 206010052804 Drug tolerance Diseases 0.000 description 1
- 101100337992 Parasynechococcus marenigrum (strain WH8102) bsmA gene Proteins 0.000 description 1
- 206010043169 Tearfulness Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000026781 habituation Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
- G02B1/043—Contact lenses
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/22—Esters containing halogen
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15207371A | 1971-06-11 | 1971-06-11 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2228517A1 DE2228517A1 (de) | 1972-12-28 |
| DE2228517B2 DE2228517B2 (de) | 1974-04-04 |
| DE2228517C3 true DE2228517C3 (de) | 1974-10-31 |
Family
ID=22541411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722228517 Expired DE2228517C3 (de) | 1971-06-11 | 1972-06-12 | Kontaktlinse |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5146614B1 (https=) |
| CA (1) | CA969791A (https=) |
| DE (1) | DE2228517C3 (https=) |
| FR (1) | FR2141814B1 (https=) |
| GB (1) | GB1374670A (https=) |
| IT (1) | IT956453B (https=) |
| NL (1) | NL7207879A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4130706A (en) * | 1977-08-08 | 1978-12-19 | E. I. Du Pont De Nemours And Company | Hydrophilic, oxygen permeable contact lens |
| JPH073517B2 (ja) * | 1985-11-29 | 1995-01-18 | チバ―ガイギー アクチエンゲゼルシャフト | 非含水型ソフトコンタクトレンズおよびその製造方法 |
| JP4086338B2 (ja) * | 1996-12-06 | 2008-05-14 | 株式会社松風 | 歯科用弾性修復材料並びにそれを用いた歯科補綴材料の作製方法 |
| EP1571165B1 (en) * | 2004-03-01 | 2009-01-07 | Lorenzo Toffano | Compositions for the preparation of hydrophobic coatings |
-
1972
- 1972-06-01 CA CA143,657A patent/CA969791A/en not_active Expired
- 1972-06-08 JP JP5653272A patent/JPS5146614B1/ja active Pending
- 1972-06-09 GB GB2702772A patent/GB1374670A/en not_active Expired
- 1972-06-09 FR FR7220889A patent/FR2141814B1/fr not_active Expired
- 1972-06-09 NL NL7207879A patent/NL7207879A/xx not_active Application Discontinuation
- 1972-06-10 IT IT2553772A patent/IT956453B/it active
- 1972-06-12 DE DE19722228517 patent/DE2228517C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA969791A (en) | 1975-06-24 |
| DE2228517A1 (de) | 1972-12-28 |
| FR2141814A1 (https=) | 1973-01-26 |
| NL7207879A (https=) | 1972-12-13 |
| IT956453B (it) | 1973-10-10 |
| DE2228517B2 (de) | 1974-04-04 |
| JPS5146614B1 (https=) | 1976-12-10 |
| FR2141814B1 (https=) | 1977-12-23 |
| GB1374670A (en) | 1974-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |