CA1167302A - Instrument refracteur compact - Google Patents

Instrument refracteur compact

Info

Publication number: CA1167302A
Authority: CA; Canada
Prior art keywords: instrument; drum; gear; drums; optical
Prior art date: 1980-08-11
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

Application number

CA000426882A

Other languages

English (en)

Inventor

Edwin A. Hazard

Peter Augusto

Richard C. Mohrman

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Bausch and Lomb Inc

Original Assignee

Bausch and Lomb Inc

Priority date (The priority date 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 date listed.)

1980-08-11

Filing date

1983-04-27

Publication date

1984-05-15

1980-08-11 Priority claimed from US06/177,142 external-priority patent/US4407571A/en

1983-04-27 Application filed by Bausch and Lomb Inc filed Critical Bausch and Lomb Inc

1983-04-27 Priority to CA000426882A priority Critical patent/CA1167302A/fr

1984-05-15 Application granted granted Critical

1984-05-15 Publication of CA1167302A publication Critical patent/CA1167302A/fr

Status Expired legal-status Critical Current

Links

230000003287 optical effect Effects 0.000 claims abstract description 93
238000012360 testing method Methods 0.000 claims abstract description 52
230000004438 eyesight Effects 0.000 claims abstract description 38
208000001491 myopia Diseases 0.000 claims abstract description 10
230000004308 accommodation Effects 0.000 claims description 7
238000010348 incorporation Methods 0.000 claims 2
230000008859 change Effects 0.000 abstract description 14
230000000712 assembly Effects 0.000 description 5
238000000429 assembly Methods 0.000 description 5
210000003128 head Anatomy 0.000 description 5
230000007246 mechanism Effects 0.000 description 5
238000000034 method Methods 0.000 description 5
229920000136 polysorbate Polymers 0.000 description 4
230000000007 visual effect Effects 0.000 description 4
239000000853 adhesive Substances 0.000 description 3
230000001070 adhesive effect Effects 0.000 description 3
230000000873 masking effect Effects 0.000 description 3
239000000463 material Substances 0.000 description 3
239000002991 molded plastic Substances 0.000 description 3
229920000515 polycarbonate Polymers 0.000 description 3
239000004417 polycarbonate Substances 0.000 description 3
150000001875 compounds Chemical class 0.000 description 2
230000008878 coupling Effects 0.000 description 2
238000010168 coupling process Methods 0.000 description 2
238000005859 coupling reaction Methods 0.000 description 2
238000007689 inspection Methods 0.000 description 2
230000009467 reduction Effects 0.000 description 2
125000006850 spacer group Chemical group 0.000 description 2
230000001629 suppression Effects 0.000 description 2
239000000725 suspension Substances 0.000 description 2
238000013519 translation Methods 0.000 description 2
230000004382 visual function Effects 0.000 description 2
102100035115 Testin Human genes 0.000 description 1
101710070533 Testin Proteins 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
238000012937 correction Methods 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
210000000887 face Anatomy 0.000 description 1
230000004927 fusion Effects 0.000 description 1
239000011521 glass Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
239000004033 plastic Substances 0.000 description 1
108010085990 projectin Proteins 0.000 description 1
208000014733 refractive error Diseases 0.000 description 1
238000012216 screening Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
230000001360 synchronised effect Effects 0.000 description 1

Landscapes

Eye Examination Apparatus (AREA)

CA000426882A 1980-08-11 1983-04-27 Instrument refracteur compact Expired CA1167302A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000426882A CA1167302A (fr)	1980-08-11	1983-04-27	Instrument refracteur compact

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US06/177,142 US4407571A (en)	1980-08-11	1980-08-11	Compact refraction instrument
US177,142		1980-08-11
CA000383259A CA1166496A (fr)	1980-08-11	1981-08-05	Instrument compact de refraction
CA000426882A CA1167302A (fr)	1980-08-11	1983-04-27	Instrument refracteur compact

Publications (1)

Publication Number	Publication Date
CA1167302A true CA1167302A (fr)	1984-05-15

Family

ID=27167107

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000426882A Expired CA1167302A (fr)	1980-08-11	1983-04-27	Instrument refracteur compact

Country Status (1)

Country	Link
CA (1)	CA1167302A (fr)

1983
- 1983-04-27 CA CA000426882A patent/CA1167302A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
2001-05-15	MKEX	Expiry