NO861243L - Kontaktlinse og fremgangsmaate for dens fremstilling. - Google Patents
Kontaktlinse og fremgangsmaate for dens fremstilling.Info
- Publication number
- NO861243L NO861243L NO861243A NO861243A NO861243L NO 861243 L NO861243 L NO 861243L NO 861243 A NO861243 A NO 861243A NO 861243 A NO861243 A NO 861243A NO 861243 L NO861243 L NO 861243L
- Authority
- NO
- Norway
- Prior art keywords
- lens
- water content
- casting
- stated
- convex
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 51
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 161
- 238000005266 casting Methods 0.000 claims description 118
- 239000000203 mixture Substances 0.000 claims description 61
- 239000000463 material Substances 0.000 claims description 57
- 239000000178 monomer Substances 0.000 claims description 40
- -1 polypropylene Polymers 0.000 claims description 36
- 229920000642 polymer Polymers 0.000 claims description 32
- 238000000465 moulding Methods 0.000 claims description 29
- 239000011521 glass Substances 0.000 claims description 26
- 239000000017 hydrogel Substances 0.000 claims description 26
- 239000004743 Polypropylene Substances 0.000 claims description 24
- 229920001155 polypropylene Polymers 0.000 claims description 24
- 210000004087 cornea Anatomy 0.000 claims description 18
- 238000006116 polymerization reaction Methods 0.000 claims description 17
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 15
- 239000003513 alkali Substances 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 14
- 238000011282 treatment Methods 0.000 claims description 14
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 10
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical group CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 9
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 8
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000012749 thinning agent Substances 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 5
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 claims description 4
- 239000012670 alkaline solution Substances 0.000 claims description 4
- 239000012736 aqueous medium Substances 0.000 claims description 4
- 150000001768 cations Chemical class 0.000 claims description 4
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 claims description 3
- 239000003505 polymerization initiator Substances 0.000 claims description 3
- JJBFVQSGPLGDNX-UHFFFAOYSA-N 2-(2-methylprop-2-enoyloxy)propyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)COC(=O)C(C)=C JJBFVQSGPLGDNX-UHFFFAOYSA-N 0.000 claims description 2
- VFZKVQVQOMDJEG-UHFFFAOYSA-N 2-prop-2-enoyloxypropyl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(=O)C=C VFZKVQVQOMDJEG-UHFFFAOYSA-N 0.000 claims description 2
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 44
- 239000001301 oxygen Substances 0.000 description 44
- 229910052760 oxygen Inorganic materials 0.000 description 44
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 39
- 210000001508 eye Anatomy 0.000 description 28
- 230000035699 permeability Effects 0.000 description 13
- 239000012266 salt solution Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000011780 sodium chloride Substances 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 8
- 230000036571 hydration Effects 0.000 description 8
- 238000006703 hydration reaction Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 229920000573 polyethylene Polymers 0.000 description 8
- 239000008367 deionised water Substances 0.000 description 7
- 229910021641 deionized water Inorganic materials 0.000 description 7
- 239000003085 diluting agent Substances 0.000 description 7
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 241000894007 species Species 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 210000003560 epithelium corneal Anatomy 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000003999 initiator Substances 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920002338 polyhydroxyethylmethacrylate Polymers 0.000 description 2
- BWJUFXUULUEGMA-UHFFFAOYSA-N propan-2-yl propan-2-yloxycarbonyloxy carbonate Chemical compound CC(C)OC(=O)OOC(=O)OC(C)C BWJUFXUULUEGMA-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- OLQFXOWPTQTLDP-UHFFFAOYSA-N 2-(2-hydroxyethoxy)ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCO OLQFXOWPTQTLDP-UHFFFAOYSA-N 0.000 description 1
- RWXMAAYKJDQVTF-UHFFFAOYSA-N 2-(2-hydroxyethoxy)ethyl prop-2-enoate Chemical compound OCCOCCOC(=O)C=C RWXMAAYKJDQVTF-UHFFFAOYSA-N 0.000 description 1
- YATYDCQGPUOZGZ-UHFFFAOYSA-N 2-(2-hydroxypropoxy)propan-1-ol;prop-2-enoic acid Chemical compound OC(=O)C=C.CC(O)COC(C)CO YATYDCQGPUOZGZ-UHFFFAOYSA-N 0.000 description 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
- VHSHLMUCYSAUQU-UHFFFAOYSA-N 2-hydroxypropyl methacrylate Chemical compound CC(O)COC(=O)C(C)=C VHSHLMUCYSAUQU-UHFFFAOYSA-N 0.000 description 1
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241001290151 Prunus avium subsp. avium Species 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- NSGQRLUGQNBHLD-UHFFFAOYSA-N butan-2-yl butan-2-yloxycarbonyloxy carbonate Chemical compound CCC(C)OC(=O)OOC(=O)OC(C)CC NSGQRLUGQNBHLD-UHFFFAOYSA-N 0.000 description 1
- YSMHTFWPDRJCMN-UHFFFAOYSA-N butan-2-yl carbonochloridate Chemical compound CCC(C)OC(Cl)=O YSMHTFWPDRJCMN-UHFFFAOYSA-N 0.000 description 1
- AKUHVUBQELUSIY-UHFFFAOYSA-N butan-2-yl propan-2-yloxycarbonyloxy carbonate Chemical compound CCC(C)OC(=O)OOC(=O)OC(C)C AKUHVUBQELUSIY-UHFFFAOYSA-N 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000004098 cellular respiration Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 210000000744 eyelid Anatomy 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- MYXIHZAQGSHUDE-UHFFFAOYSA-N lead;propane-1,2,3-triol Chemical compound [Pb].OCC(O)CO MYXIHZAQGSHUDE-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical class CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- WFKDPJRCBCBQNT-UHFFFAOYSA-N n,2-dimethylprop-2-enamide Chemical compound CNC(=O)C(C)=C WFKDPJRCBCBQNT-UHFFFAOYSA-N 0.000 description 1
- QRWZCJXEAOZAAW-UHFFFAOYSA-N n,n,2-trimethylprop-2-enamide Chemical compound CN(C)C(=O)C(C)=C QRWZCJXEAOZAAW-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- IVRIRQXJSNCSPQ-UHFFFAOYSA-N propan-2-yl carbonochloridate Chemical compound CC(C)OC(Cl)=O IVRIRQXJSNCSPQ-UHFFFAOYSA-N 0.000 description 1
- LYBIZMNPXTXVMV-UHFFFAOYSA-N propan-2-yl prop-2-enoate Chemical compound CC(C)OC(=O)C=C LYBIZMNPXTXVMV-UHFFFAOYSA-N 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-N sodium;hydron;carbonate Chemical compound [Na+].OC(O)=O UIIMBOGNXHQVGW-UHFFFAOYSA-N 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000004441 surface measurement Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/808—Lens mold
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB858508247A GB8508247D0 (en) | 1985-03-29 | 1985-03-29 | Contact lenses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO861243L true NO861243L (no) | 1986-09-30 |
Family
ID=10576889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO861243A NO861243L (no) | 1985-03-29 | 1986-03-26 | Kontaktlinse og fremgangsmaate for dens fremstilling. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4761069A (pt) |
| EP (1) | EP0200361A2 (pt) |
| JP (1) | JPS61270723A (pt) |
| KR (1) | KR860007557A (pt) |
| CN (1) | CN86102021A (pt) |
| AU (1) | AU5533486A (pt) |
| BR (1) | BR8601358A (pt) |
| DK (1) | DK144786A (pt) |
| ES (1) | ES8802092A1 (pt) |
| GB (1) | GB8508247D0 (pt) |
| NO (1) | NO861243L (pt) |
| NZ (1) | NZ215631A (pt) |
| ZA (1) | ZA862310B (pt) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8601967D0 (en) * | 1986-01-28 | 1986-03-05 | Coopervision Optics | Manufacturing contact lenses |
| US4782946A (en) * | 1987-09-17 | 1988-11-08 | Allergan, Inc. | Soft contact lens hydration device and kit |
| ES2096846T3 (es) * | 1988-11-02 | 1997-03-16 | British Tech Group | Moldeo y envase de lentes de contacto. |
| US5573108A (en) * | 1988-11-02 | 1996-11-12 | British Technology Group Ltd. | Disposable contact lens package |
| GB8900616D0 (en) * | 1989-01-12 | 1989-03-08 | Galley Geoffrey H | Methods of manufacturing contact lenses |
| US5264161A (en) * | 1991-09-05 | 1993-11-23 | Bausch & Lomb Incorporated | Method of using surfactants as contact lens processing aids |
| US5271875A (en) * | 1991-09-12 | 1993-12-21 | Bausch & Lomb Incorporated | Method for molding lenses |
| US5696686A (en) * | 1994-06-10 | 1997-12-09 | Johnson & Johnson Vision Products, Inc. | Computer system for quality control correlations |
| US5598233A (en) * | 1994-08-18 | 1997-01-28 | Harold A. Gell | Soft contact lens with contamination indicator |
| US5620720A (en) * | 1994-11-29 | 1997-04-15 | Allergan | Cast molding of intraocular lenses |
| SG54538A1 (en) * | 1996-08-05 | 1998-11-16 | Hoya Corp | Soft contact lens with high moisture content and method for producing the same |
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| US7426993B2 (en) * | 2005-08-09 | 2008-09-23 | Coopervision International Holding Company, Lp | Contact lens package |
| US7731873B2 (en) * | 2005-08-09 | 2010-06-08 | Coopervision International Holding Company, Lp | Contact lens mold assemblies and systems and methods of producing same |
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| US7799249B2 (en) * | 2005-08-09 | 2010-09-21 | Coopervision International Holding Company, Lp | Systems and methods for producing silicone hydrogel contact lenses |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1495381B2 (de) * | 1963-09-07 | 1971-06-24 | Czeskoslovenska akademie ved , Prag | Verfahren zur herstellung von kontaktlinsen oder kontakt linsenrohlingen aus quellfaehigen hydrogelen |
| US4055378A (en) * | 1971-12-31 | 1977-10-25 | Agfa-Gevaert Aktiengesellschaft | Silicone contact lens with hydrophilic surface treatment |
| FR2402525A1 (fr) * | 1977-09-12 | 1979-04-06 | Toray Industries | Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus |
| US4495313A (en) * | 1981-04-30 | 1985-01-22 | Mia Lens Production A/S | Preparation of hydrogel for soft contact lens with water displaceable boric acid ester |
| US4597918A (en) * | 1982-09-13 | 1986-07-01 | Neefe Charles W | Method of removing soft contact lenses from the mold |
| CS239282B1 (en) * | 1983-08-17 | 1986-01-16 | Otto Wichterle | Preparation method of objects made from hydrophilic gelsnamely contact lences by polymer casting |
| US4680336A (en) * | 1984-11-21 | 1987-07-14 | Vistakon, Inc. | Method of forming shaped hydrogel articles |
-
1985
- 1985-03-29 GB GB858508247A patent/GB8508247D0/en active Pending
-
1986
- 1986-03-26 ES ES553516A patent/ES8802092A1/es not_active Expired
- 1986-03-26 NO NO861243A patent/NO861243L/no unknown
- 1986-03-26 DK DK144786A patent/DK144786A/da not_active Application Discontinuation
- 1986-03-26 BR BR8601358A patent/BR8601358A/pt unknown
- 1986-03-27 US US06/844,662 patent/US4761069A/en not_active Expired - Fee Related
- 1986-03-27 NZ NZ215631A patent/NZ215631A/xx unknown
- 1986-03-27 EP EP86302290A patent/EP0200361A2/en not_active Withdrawn
- 1986-03-27 CN CN198686102021A patent/CN86102021A/zh active Pending
- 1986-03-27 ZA ZA862310A patent/ZA862310B/xx unknown
- 1986-03-27 AU AU55334/86A patent/AU5533486A/en not_active Abandoned
- 1986-03-29 KR KR1019860002381A patent/KR860007557A/ko not_active Application Discontinuation
- 1986-03-29 JP JP61072406A patent/JPS61270723A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DK144786D0 (da) | 1986-03-26 |
| ES553516A0 (es) | 1988-03-16 |
| ZA862310B (en) | 1987-11-25 |
| BR8601358A (pt) | 1986-12-02 |
| GB8508247D0 (en) | 1985-05-09 |
| US4761069A (en) | 1988-08-02 |
| CN86102021A (zh) | 1987-01-28 |
| JPS61270723A (ja) | 1986-12-01 |
| ES8802092A1 (es) | 1988-03-16 |
| DK144786A (da) | 1986-09-30 |
| EP0200361A2 (en) | 1986-11-05 |
| KR860007557A (ko) | 1986-10-15 |
| AU5533486A (en) | 1986-10-02 |
| NZ215631A (en) | 1988-08-30 |
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