JPS59156323A - 眼の近点距離測定装置 - Google Patents
眼の近点距離測定装置Info
- Publication number
- JPS59156323A JPS59156323A JP58032602A JP3260283A JPS59156323A JP S59156323 A JPS59156323 A JP S59156323A JP 58032602 A JP58032602 A JP 58032602A JP 3260283 A JP3260283 A JP 3260283A JP S59156323 A JPS59156323 A JP S59156323A
- Authority
- JP
- Japan
- Prior art keywords
- eye
- optotype
- point distance
- near point
- examined
- 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.)
- Granted
Links
- 230000000007 visual effect Effects 0.000 claims description 19
- 238000005259 measurement Methods 0.000 claims description 13
- 210000000695 crystalline len Anatomy 0.000 claims description 11
- 230000004438 eyesight Effects 0.000 claims description 5
- 230000004304 visual acuity Effects 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000004043 responsiveness Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000001186 cumulative effect Effects 0.000 claims 1
- 230000004308 accommodation Effects 0.000 description 10
- 238000012360 testing method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000010287 polarization Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002350 accommodative effect Effects 0.000 description 2
- 210000004087 cornea Anatomy 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036040 emmetropia Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 201000010041 presbyopia Diseases 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Eye Examination Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58032602A JPS59156323A (ja) | 1983-02-26 | 1983-02-26 | 眼の近点距離測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58032602A JPS59156323A (ja) | 1983-02-26 | 1983-02-26 | 眼の近点距離測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59156323A true JPS59156323A (ja) | 1984-09-05 |
| JPH0323166B2 JPH0323166B2 (enrdf_load_stackoverflow) | 1991-03-28 |
Family
ID=12363405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58032602A Granted JPS59156323A (ja) | 1983-02-26 | 1983-02-26 | 眼の近点距離測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59156323A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63135126A (ja) * | 1986-11-27 | 1988-06-07 | リコーエレメックス株式会社 | デジタル遠点近点計 |
| JPS63135125A (ja) * | 1986-11-27 | 1988-06-07 | リコーエレメックス株式会社 | 自動両眼近点計 |
| JPS63135127A (ja) * | 1986-11-27 | 1988-06-07 | リコーエレメックス株式会社 | Ｖｄｔ作業用調節力計 |
| JPH0195903U (enrdf_load_stackoverflow) * | 1987-12-16 | 1989-06-26 | ||
| JP2006158434A (ja) * | 2004-12-02 | 2006-06-22 | Railway Technical Res Inst | 携帯型遠近知覚測定装置 |
-
1983
- 1983-02-26 JP JP58032602A patent/JPS59156323A/ja active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63135126A (ja) * | 1986-11-27 | 1988-06-07 | リコーエレメックス株式会社 | デジタル遠点近点計 |
| JPS63135125A (ja) * | 1986-11-27 | 1988-06-07 | リコーエレメックス株式会社 | 自動両眼近点計 |
| JPS63135127A (ja) * | 1986-11-27 | 1988-06-07 | リコーエレメックス株式会社 | Ｖｄｔ作業用調節力計 |
| JPH0195903U (enrdf_load_stackoverflow) * | 1987-12-16 | 1989-06-26 | ||
| JP2006158434A (ja) * | 2004-12-02 | 2006-06-22 | Railway Technical Res Inst | 携帯型遠近知覚測定装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0323166B2 (enrdf_load_stackoverflow) | 1991-03-28 |
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