CA1078170A - Apparatus for testing the refractive power(s) of lenses - Google Patents
Apparatus for testing the refractive power(s) of lensesInfo
- Publication number
- CA1078170A CA1078170A CA281,558A CA281558A CA1078170A CA 1078170 A CA1078170 A CA 1078170A CA 281558 A CA281558 A CA 281558A CA 1078170 A CA1078170 A CA 1078170A
- Authority
- CA
- Canada
- Prior art keywords
- lens
- light
- optical system
- optical axis
- target position
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 230000003287 optical effect Effects 0.000 claims abstract description 89
- 238000003384 imaging method Methods 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 17
- 235000021251 pulses Nutrition 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0228—Testing optical properties by measuring refractive power
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/703,492 US4090790A (en) | 1976-07-08 | 1976-07-08 | Apparatus for testing the refractive power(s) of lenses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1078170A true CA1078170A (en) | 1980-05-27 |
Family
ID=24825595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA281,558A Expired CA1078170A (en) | 1976-07-08 | 1977-06-28 | Apparatus for testing the refractive power(s) of lenses |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4090790A (enExample) |
| JP (1) | JPS537256A (enExample) |
| AU (1) | AU503729B2 (enExample) |
| CA (1) | CA1078170A (enExample) |
| DE (1) | DE2728500A1 (enExample) |
| FR (1) | FR2357879A1 (enExample) |
| GB (1) | GB1554352A (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4199816A (en) * | 1978-06-28 | 1980-04-22 | Humphrey Instruments, Inc. | Optical calibration apparatus and procedure |
| US4275964A (en) * | 1979-05-18 | 1981-06-30 | Rodenstock Instruments Corporation | Apparatus and method for determining the refractive characteristics of a test lens |
| JPS5687836A (en) * | 1979-12-19 | 1981-07-16 | Tokyo Optical Co Ltd | Projection type lens meter |
| US4410268A (en) * | 1980-04-28 | 1983-10-18 | Tokyo Kogaku Kikai Kabushiki Kaisha | Apparatus for automatically measuring the characteristics of an optical system |
| US4696569A (en) * | 1985-04-11 | 1987-09-29 | The United States Of America As Represented By The Secretary Of The Air Force | Method of measuring spherical aberration and apparatus therefor |
| US5355210A (en) * | 1991-12-20 | 1994-10-11 | Rotlex Optics Ltd. | Method and apparatus for measuring optical properties of optical devices |
| US5684576A (en) * | 1995-07-27 | 1997-11-04 | Nidek Co., Ltd. | Lens meter |
| US6671039B2 (en) * | 2000-06-22 | 2003-12-30 | Hoya Corporation | Spectacle lens image sensing processing apparatus and spectacle lens positioning method |
| US20030053027A1 (en) * | 2001-04-16 | 2003-03-20 | Sarver Edwin J. | Subjective refraction by meridional power matching |
| US7014325B2 (en) * | 2003-01-30 | 2006-03-21 | Hubbs Machine & Manufacturing Inc. | Displacement process for hollow surveying retroreflector |
| US7719668B2 (en) * | 2005-03-03 | 2010-05-18 | The United States Of America As Represented By The Department Of Health And Human Services | Confocal fiber-optic laser device and method for intraocular lens power measurements |
| CN102384837A (zh) * | 2010-08-31 | 2012-03-21 | 成都易生玄科技有限公司 | 缩聚镜及缩聚镜为主体的集成缩聚功能单元的检测方法 |
| US10036685B2 (en) | 2016-05-18 | 2018-07-31 | Jand, Inc. | Fixtureless lensmeter and methods of operating same |
| US10557773B2 (en) | 2016-05-18 | 2020-02-11 | Jand, Inc. | Fixtureless lensmeter system |
| US11300479B2 (en) * | 2017-06-28 | 2022-04-12 | Consejo Superior De Investigaciones Científicas | Device for determining the optical power of lenses and measurement method |
| US11488239B2 (en) | 2019-08-26 | 2022-11-01 | Warby Parker Inc. | Virtual fitting systems and methods for spectacles |
| EP4136563B8 (en) | 2020-04-15 | 2025-10-01 | Warby Parker Inc. | Virtual try-on systems for spectacles using reference frames |
| JP7664953B2 (ja) | 2020-06-17 | 2025-04-18 | ワービー・パーカー・インコーポレイテッド | 瞳孔間距離を測定するためのシステムおよび方法ならびにそれらの使用 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1204030A (en) * | 1916-07-14 | 1916-11-07 | Bausch & Lomb | Lens centering and measuring instrument. |
| DE1001020B (de) * | 1955-01-13 | 1957-01-17 | Rollei Werke Franke Heidecke | Optisches Pruef- und Messgeraet |
| US3323417A (en) * | 1962-04-10 | 1967-06-06 | Polaroid Corp | Testing apparatus for optical lenses |
| GB1368819A (en) * | 1970-12-04 | 1974-10-02 | Nippon Kogaku Kk | Automatic focusing device |
| US3768910A (en) * | 1972-05-25 | 1973-10-30 | Zygo Corp | Detecting the position of a surface by focus modulating the illuminating beam |
| JPS5334907B2 (enExample) * | 1974-06-28 | 1978-09-22 |
-
1976
- 1976-07-08 US US05/703,492 patent/US4090790A/en not_active Expired - Lifetime
-
1977
- 1977-06-22 DE DE19772728500 patent/DE2728500A1/de not_active Withdrawn
- 1977-06-28 CA CA281,558A patent/CA1078170A/en not_active Expired
- 1977-07-04 FR FR7720451A patent/FR2357879A1/fr active Granted
- 1977-07-04 AU AU26716/77A patent/AU503729B2/en not_active Expired
- 1977-07-06 JP JP8004277A patent/JPS537256A/ja active Pending
- 1977-07-08 GB GB28830/77A patent/GB1554352A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS537256A (en) | 1978-01-23 |
| FR2357879A1 (fr) | 1978-02-03 |
| AU2671677A (en) | 1979-01-11 |
| AU503729B2 (en) | 1979-09-20 |
| US4090790A (en) | 1978-05-23 |
| DE2728500A1 (de) | 1978-01-12 |
| GB1554352A (en) | 1979-10-17 |
| FR2357879B1 (enExample) | 1981-09-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |