JPH0434893B2 - - Google Patents
Info
- Publication number
- JPH0434893B2 JPH0434893B2 JP63071586A JP7158688A JPH0434893B2 JP H0434893 B2 JPH0434893 B2 JP H0434893B2 JP 63071586 A JP63071586 A JP 63071586A JP 7158688 A JP7158688 A JP 7158688A JP H0434893 B2 JPH0434893 B2 JP H0434893B2
- Authority
- JP
- Japan
- Prior art keywords
- measurement
- eye
- examined
- refractive power
- measuring
- 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 - Lifetime
Links
- 238000005259 measurement Methods 0.000 claims description 46
- 230000004323 axial length Effects 0.000 claims description 20
- 210000000695 crystalline len Anatomy 0.000 description 14
- 210000004087 cornea Anatomy 0.000 description 9
- 239000000523 sample Substances 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 201000009310 astigmatism Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000001525 retina Anatomy 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 208000002177 Cataract Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/10—Eye inspection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/1005—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring distances inside the eye, e.g. thickness of the cornea
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Eye Examination Apparatus (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63071586A JPH01242028A (ja) | 1988-03-24 | 1988-03-24 | 眼科装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63071586A JPH01242028A (ja) | 1988-03-24 | 1988-03-24 | 眼科装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01242028A JPH01242028A (ja) | 1989-09-27 |
| JPH0434893B2 true JPH0434893B2 (enExample) | 1992-06-09 |
Family
ID=13464935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63071586A Granted JPH01242028A (ja) | 1988-03-24 | 1988-03-24 | 眼科装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01242028A (enExample) |
-
1988
- 1988-03-24 JP JP63071586A patent/JPH01242028A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01242028A (ja) | 1989-09-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080609 Year of fee payment: 16 |