JPS6111089B2 - - Google Patents

Info

Publication number
JPS6111089B2
JPS6111089B2 JP52114348A JP11434877A JPS6111089B2 JP S6111089 B2 JPS6111089 B2 JP S6111089B2 JP 52114348 A JP52114348 A JP 52114348A JP 11434877 A JP11434877 A JP 11434877A JP S6111089 B2 JPS6111089 B2 JP S6111089B2
Authority
JP
Japan
Prior art keywords
mask
eye
examined
measurement
slit
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
Application number
JP52114348A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5452893A (en
Inventor
Yoshi Kobayakawa
Yasuyuki Ishikawa
Shigeo Maruyama
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.)
Canon Inc
Original Assignee
Canon 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.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP11434877A priority Critical patent/JPS5452893A/ja
Priority to US05/944,304 priority patent/US4293198A/en
Publication of JPS5452893A publication Critical patent/JPS5452893A/ja
Publication of JPS6111089B2 publication Critical patent/JPS6111089B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Eye Examination Apparatus (AREA)
JP11434877A 1977-09-21 1977-09-21 Automatic eye refractometer Granted JPS5452893A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11434877A JPS5452893A (en) 1977-09-21 1977-09-21 Automatic eye refractometer
US05/944,304 US4293198A (en) 1977-09-21 1978-09-21 Eye refractometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11434877A JPS5452893A (en) 1977-09-21 1977-09-21 Automatic eye refractometer

Publications (2)

Publication Number Publication Date
JPS5452893A JPS5452893A (en) 1979-04-25
JPS6111089B2 true JPS6111089B2 (enrdf_load_stackoverflow) 1986-04-01

Family

ID=14635498

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11434877A Granted JPS5452893A (en) 1977-09-21 1977-09-21 Automatic eye refractometer

Country Status (1)

Country Link
JP (1) JPS5452893A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63235781A (ja) * 1987-03-25 1988-09-30 Tabuchi Seisakusho:Kk ボ−ル弁
JPH0488788U (enrdf_load_stackoverflow) * 1991-01-14 1992-07-31
JPH0685982U (ja) * 1991-01-14 1994-12-13 株式会社タブチ 水撃緩衝装置付ボール弁

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652032A (en) * 1979-10-05 1981-05-09 Canon Kk Eye refrating force measuring apparatus
JPS6012035A (ja) * 1983-06-30 1985-01-22 キヤノン株式会社 眼屈折力測定装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63235781A (ja) * 1987-03-25 1988-09-30 Tabuchi Seisakusho:Kk ボ−ル弁
JPH0488788U (enrdf_load_stackoverflow) * 1991-01-14 1992-07-31
JPH0685982U (ja) * 1991-01-14 1994-12-13 株式会社タブチ 水撃緩衝装置付ボール弁

Also Published As

Publication number Publication date
JPS5452893A (en) 1979-04-25

Similar Documents

Publication Publication Date Title
US4173398A (en) Optical system for objective eye-examination
US4390255A (en) Eye-refractometer device
JPS6216088B2 (enrdf_load_stackoverflow)
JPS624967B2 (enrdf_load_stackoverflow)
JPH0566804B2 (enrdf_load_stackoverflow)
US5280313A (en) Ophthalmic measuring apparatus
US4293199A (en) Apparatus for detecting astigmatic axes and measuring refractive powers
JPH0253738B2 (enrdf_load_stackoverflow)
JPS6130570B2 (enrdf_load_stackoverflow)
JPH0359689B2 (enrdf_load_stackoverflow)
JPS6111089B2 (enrdf_load_stackoverflow)
US5387951A (en) Intraocular length measuring instrument capable of avoiding errors in measurement caused by the movement of a subject's eye
JPH10108836A (ja) 眼屈折力測定装置
US6676258B2 (en) Eye characteristic measurement apparatus with speckle noise reduction
JPH0352572B2 (enrdf_load_stackoverflow)
JPS6153053B2 (enrdf_load_stackoverflow)
JPS6214291B2 (enrdf_load_stackoverflow)
JPS6151890B2 (enrdf_load_stackoverflow)
JPS59230535A (ja) 眼科用測定装置
JP2614328B2 (ja) 眼科測定装置
JPS6346130A (ja) 他覚式眼屈折力測定装置
JP2775297B2 (ja) 眼屈折力測定装置
JP2925165B2 (ja) 自動焦点眼底カメラ
JP4412998B2 (ja) 眼屈折力測定装置
JPS625147A (ja) 光学系の屈折力測定装置