JP5834537B2 - 眼軸長測定装置 - Google Patents
眼軸長測定装置 Download PDFInfo
- Publication number
- JP5834537B2 JP5834537B2 JP2011141958A JP2011141958A JP5834537B2 JP 5834537 B2 JP5834537 B2 JP 5834537B2 JP 2011141958 A JP2011141958 A JP 2011141958A JP 2011141958 A JP2011141958 A JP 2011141958A JP 5834537 B2 JP5834537 B2 JP 5834537B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- eye
- measurement
- optical system
- axial length
- 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 - Fee Related
Links
- 230000004323 axial length Effects 0.000 title claims description 49
- 230000003287 optical effect Effects 0.000 claims description 118
- 238000005259 measurement Methods 0.000 claims description 88
- 238000003384 imaging method Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 18
- 210000001747 pupil Anatomy 0.000 claims description 14
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 description 20
- 230000008859 change Effects 0.000 description 11
- 208000002177 Cataract Diseases 0.000 description 9
- 210000004087 cornea Anatomy 0.000 description 9
- 210000000695 crystalline len Anatomy 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000001427 coherent effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 239000004038 photonic crystal Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011141958A JP5834537B2 (ja) | 2011-06-27 | 2011-06-27 | 眼軸長測定装置 |
| EP11176582.2A EP2415393B1 (en) | 2010-08-05 | 2011-08-04 | Ophthalmic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011141958A JP5834537B2 (ja) | 2011-06-27 | 2011-06-27 | 眼軸長測定装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013005982A JP2013005982A (ja) | 2013-01-10 |
| JP2013005982A5 JP2013005982A5 (enExample) | 2014-08-07 |
| JP5834537B2 true JP5834537B2 (ja) | 2015-12-24 |
Family
ID=47673884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011141958A Expired - Fee Related JP5834537B2 (ja) | 2010-08-05 | 2011-06-27 | 眼軸長測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5834537B2 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9526415B2 (en) | 2013-04-03 | 2016-12-27 | Kabushiki Kaisha Topcon | Ophthalmologic apparatus |
| US9380937B2 (en) | 2013-04-03 | 2016-07-05 | Kabushiki Kaisha Topcon | Ophthalmologic apparatus |
| US9295387B2 (en) | 2013-04-03 | 2016-03-29 | Kabushiki Kaisha Topcon | Ophthalmologic apparatus |
| US9295386B2 (en) | 2013-04-03 | 2016-03-29 | Kabushiki Kaisha Topcon | Ophthalmologic apparatus |
| US9370301B2 (en) | 2013-04-03 | 2016-06-21 | Kabushiki Kaisha Topcon | Ophthalmologic apparatus |
| JP6357851B2 (ja) * | 2013-05-01 | 2018-07-18 | 株式会社ニデック | 眼科装置 |
| EP3893715A1 (en) * | 2018-12-12 | 2021-10-20 | Ecole Polytechnique Federale De Lausanne (Epfl) | Ophthalmic system and method for clinical device using transcleral illumination with multiple points source |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3504314B2 (ja) * | 1994-02-09 | 2004-03-08 | 株式会社トプコン | 眼科装置 |
| JP4996918B2 (ja) * | 2006-12-26 | 2012-08-08 | 株式会社トプコン | 光画像計測装置及び光画像計測装置を制御するプログラム |
| JP5172141B2 (ja) * | 2006-12-26 | 2013-03-27 | 株式会社ニデック | 眼軸長測定装置 |
| JP5179063B2 (ja) * | 2007-01-06 | 2013-04-10 | 株式会社ニデック | 眼科装置 |
| JP4896794B2 (ja) * | 2007-03-30 | 2012-03-14 | 株式会社トプコン | 光画像計測装置、それを制御するプログラム及び光画像計測方法 |
-
2011
- 2011-06-27 JP JP2011141958A patent/JP5834537B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013005982A (ja) | 2013-01-10 |
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