JPH0262252B2 - - Google Patents
Info
- Publication number
- JPH0262252B2 JPH0262252B2 JP61132613A JP13261386A JPH0262252B2 JP H0262252 B2 JPH0262252 B2 JP H0262252B2 JP 61132613 A JP61132613 A JP 61132613A JP 13261386 A JP13261386 A JP 13261386A JP H0262252 B2 JPH0262252 B2 JP H0262252B2
- Authority
- JP
- Japan
- Prior art keywords
- area
- engraving device
- cornea
- laser beam
- change
- 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 - Lifetime
Links
- 210000004087 cornea Anatomy 0.000 claims description 105
- 230000008859 change Effects 0.000 claims description 73
- 230000003287 optical effect Effects 0.000 claims description 58
- 238000012937 correction Methods 0.000 claims description 48
- 201000009310 astigmatism Diseases 0.000 claims description 28
- 208000001491 myopia Diseases 0.000 claims description 23
- 230000004379 myopia Effects 0.000 claims description 20
- 238000001356 surgical procedure Methods 0.000 claims description 18
- 230000004305 hyperopia Effects 0.000 claims description 14
- 201000006318 hyperopia Diseases 0.000 claims description 14
- 238000002679 ablation Methods 0.000 claims description 12
- 206010020675 Hypermetropia Diseases 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 11
- 230000000670 limiting effect Effects 0.000 claims description 10
- 230000004048 modification Effects 0.000 claims description 9
- 238000012986 modification Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 230000001186 cumulative effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000000873 masking effect Effects 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims 9
- 210000003683 corneal stroma Anatomy 0.000 claims 4
- 239000000758 substrate Substances 0.000 claims 1
- 210000001508 eye Anatomy 0.000 description 33
- 238000000034 method Methods 0.000 description 24
- 238000010586 diagram Methods 0.000 description 12
- 210000001519 tissue Anatomy 0.000 description 12
- 230000035515 penetration Effects 0.000 description 9
- 230000003247 decreasing effect Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 210000005252 bulbus oculi Anatomy 0.000 description 5
- 210000003128 head Anatomy 0.000 description 5
- 239000010453 quartz Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000002054 transplantation Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000007943 implant Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 210000000981 epithelium Anatomy 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000000750 progressive effect Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- ISQINHMJILFLAQ-UHFFFAOYSA-N argon hydrofluoride Chemical compound F.[Ar] ISQINHMJILFLAQ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 210000003038 endothelium Anatomy 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006303 photolysis reaction Methods 0.000 description 2
- 230000015843 photosynthesis, light reaction Effects 0.000 description 2
- PPFMPOUQEOXUNI-UHFFFAOYSA-N F.[Ne] Chemical group F.[Ne] PPFMPOUQEOXUNI-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- VZPPHXVFMVZRTE-UHFFFAOYSA-N [Kr]F Chemical compound [Kr]F VZPPHXVFMVZRTE-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000010719 annulation reaction Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004045 bowman membrane Anatomy 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000005081 epithelial layer Anatomy 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002430 laser surgery Methods 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 210000004379 membrane Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- UOHVLCKNRDKGQU-UHFFFAOYSA-N neon hydrochloride Chemical compound [Ne].Cl UOHVLCKNRDKGQU-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000000649 photocoagulation Effects 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- ZBWBYBYOJRDPDE-UHFFFAOYSA-K potassium titanium(4+) phosphate Chemical compound P(=O)([O-])([O-])[O-].[Ti+4].[K+] ZBWBYBYOJRDPDE-UHFFFAOYSA-K 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 210000001082 somatic cell Anatomy 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Laser Surgery Devices (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74222585A | 1985-06-06 | 1985-06-06 | |
| US742225 | 1985-06-06 | ||
| US778801 | 1985-09-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6257549A JPS6257549A (ja) | 1987-03-13 |
| JPH0262252B2 true JPH0262252B2 (fr) | 1990-12-25 |
Family
ID=24983965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61132613A Granted JPS6257549A (ja) | 1985-06-06 | 1986-06-06 | 眼の光学特性を変化させるための角膜彫刻装置 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS6257549A (fr) |
| ZA (1) | ZA864253B (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0436513A (ja) * | 1990-05-31 | 1992-02-06 | Rinnai Corp | 暖房機の制御装置 |
| JPH04217715A (ja) * | 1990-12-18 | 1992-08-07 | Rinnai Corp | 暖房機 |
| JPH07239719A (ja) * | 1994-10-11 | 1995-09-12 | Hitachi Home Tec Ltd | 加熱機器の制御装置 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU606315B2 (en) * | 1985-09-12 | 1991-02-07 | Summit Technology, Inc. | Surface erosion using lasers |
| JP2709812B2 (ja) * | 1987-05-22 | 1998-02-04 | キヤノン株式会社 | 眼科用レーザー装置 |
| FR2617042B1 (fr) * | 1987-06-25 | 1994-05-13 | Hanna Khalil | Dispositif de chirurgie de la cornee |
| EP2521520B1 (fr) * | 2010-01-08 | 2017-08-16 | Optimedica Corporation | Système pour modifier le tissu oculaire, et lentilles intraoculaires |
| WO2015062842A1 (fr) * | 2013-11-01 | 2015-05-07 | Koninklijke Philips N.V. | Dispositif de traitement de la lumière |
-
1986
- 1986-06-06 JP JP61132613A patent/JPS6257549A/ja active Granted
- 1986-06-06 ZA ZA864253A patent/ZA864253B/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0436513A (ja) * | 1990-05-31 | 1992-02-06 | Rinnai Corp | 暖房機の制御装置 |
| JPH04217715A (ja) * | 1990-12-18 | 1992-08-07 | Rinnai Corp | 暖房機 |
| JPH07239719A (ja) * | 1994-10-11 | 1995-09-12 | Hitachi Home Tec Ltd | 加熱機器の制御装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA864253B (en) | 1987-02-25 |
| JPS6257549A (ja) | 1987-03-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |