JPS5855484B2 - 二焦点眼鏡レンズ - Google Patents
二焦点眼鏡レンズInfo
- Publication number
- JPS5855484B2 JPS5855484B2 JP5986978A JP5986978A JPS5855484B2 JP S5855484 B2 JPS5855484 B2 JP S5855484B2 JP 5986978 A JP5986978 A JP 5986978A JP 5986978 A JP5986978 A JP 5986978A JP S5855484 B2 JPS5855484 B2 JP S5855484B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- bifocal
- view
- opaque
- parts
- 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
- 239000011521 glass Substances 0.000 claims description 8
- 238000005304 joining Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 210000004556 brain Anatomy 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 208000003464 asthenopia Diseases 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 208000001491 myopia Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004305 hyperopia Effects 0.000 description 1
- 201000006318 hyperopia Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
- 238000003466 welding Methods 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
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT6814677A IT1083060B (it) | 1977-05-19 | 1977-05-19 | Lente bifocale per occhiali |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5417751A JPS5417751A (en) | 1979-02-09 |
| JPS5855484B2 true JPS5855484B2 (ja) | 1983-12-09 |
Family
ID=11308156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5986978A Expired JPS5855484B2 (ja) | 1977-05-19 | 1978-05-19 | 二焦点眼鏡レンズ |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5855484B2 (it) |
| DE (1) | DE2821925A1 (it) |
| GB (1) | GB1601276A (it) |
| IT (1) | IT1083060B (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60165929U (ja) * | 1984-04-11 | 1985-11-02 | 株式会社 ナカニシオプテイカル | 眼鏡 |
| JP2015148673A (ja) * | 2014-02-05 | 2015-08-20 | 株式会社ニコン・エシロール | 眼鏡用レンズ |
-
1977
- 1977-05-19 IT IT6814677A patent/IT1083060B/it active
-
1978
- 1978-05-09 GB GB1847078A patent/GB1601276A/en not_active Expired
- 1978-05-19 DE DE19782821925 patent/DE2821925A1/de not_active Ceased
- 1978-05-19 JP JP5986978A patent/JPS5855484B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1083060B (it) | 1985-05-21 |
| GB1601276A (en) | 1981-10-28 |
| DE2821925A1 (de) | 1978-11-23 |
| JPS5417751A (en) | 1979-02-09 |
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