JPS55110531A - Mechanism for measuring visibility - Google Patents

Mechanism for measuring visibility

Info

Publication number
JPS55110531A
JPS55110531A JP1742479A JP1742479A JPS55110531A JP S55110531 A JPS55110531 A JP S55110531A JP 1742479 A JP1742479 A JP 1742479A JP 1742479 A JP1742479 A JP 1742479A JP S55110531 A JPS55110531 A JP S55110531A
Authority
JP
Japan
Prior art keywords
measuring visibility
visibility
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.)
Granted
Application number
JP1742479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6153053B2 (enrdf_load_stackoverflow
Inventor
Yoshi Kobayakawa
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 JP1742479A priority Critical patent/JPS55110531A/ja
Publication of JPS55110531A publication Critical patent/JPS55110531A/ja
Publication of JPS6153053B2 publication Critical patent/JPS6153053B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Eye Examination Apparatus (AREA)
JP1742479A 1979-02-16 1979-02-16 Mechanism for measuring visibility Granted JPS55110531A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1742479A JPS55110531A (en) 1979-02-16 1979-02-16 Mechanism for measuring visibility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1742479A JPS55110531A (en) 1979-02-16 1979-02-16 Mechanism for measuring visibility

Publications (2)

Publication Number Publication Date
JPS55110531A true JPS55110531A (en) 1980-08-26
JPS6153053B2 JPS6153053B2 (enrdf_load_stackoverflow) 1986-11-15

Family

ID=11943624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1742479A Granted JPS55110531A (en) 1979-02-16 1979-02-16 Mechanism for measuring visibility

Country Status (1)

Country Link
JP (1) JPS55110531A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829446A (ja) * 1981-08-18 1983-02-21 キヤノン株式会社 眼科測定装置
JPS5854927A (ja) * 1981-09-25 1983-04-01 キヤノン株式会社 角膜形状測定装置
JPS59225035A (ja) * 1983-06-03 1984-12-18 キヤノン株式会社 被検眼の近点測定装置
JPS6131146A (ja) * 1984-07-24 1986-02-13 キヤノン株式会社 眼屈折計
JPS63125235A (ja) * 1986-11-15 1988-05-28 キヤノン株式会社 眼屈折計
JPH0197435A (ja) * 1987-10-09 1989-04-14 Canon Inc 眼屈折計
US4952049A (en) * 1985-04-12 1990-08-28 Canon Kabushiki Kaisha Apparatus for measuring the refraction of eye
JPH07265267A (ja) * 1995-01-30 1995-10-17 Canon Inc 眼測定装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53111697A (en) * 1977-03-11 1978-09-29 Asahi Optical Co Ltd Optical system of objective automatic ophthalmoscope
JPS5414757A (en) * 1977-07-05 1979-02-03 Humphrey Instruments Inc Lens meter
JPS6151890A (ja) * 1984-08-21 1986-03-14 Toshiba Corp 埋込み型半導体レ−ザの製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53111697A (en) * 1977-03-11 1978-09-29 Asahi Optical Co Ltd Optical system of objective automatic ophthalmoscope
JPS5414757A (en) * 1977-07-05 1979-02-03 Humphrey Instruments Inc Lens meter
JPS6151890A (ja) * 1984-08-21 1986-03-14 Toshiba Corp 埋込み型半導体レ−ザの製造方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829446A (ja) * 1981-08-18 1983-02-21 キヤノン株式会社 眼科測定装置
JPS5854927A (ja) * 1981-09-25 1983-04-01 キヤノン株式会社 角膜形状測定装置
JPS59225035A (ja) * 1983-06-03 1984-12-18 キヤノン株式会社 被検眼の近点測定装置
JPS6131146A (ja) * 1984-07-24 1986-02-13 キヤノン株式会社 眼屈折計
US4952049A (en) * 1985-04-12 1990-08-28 Canon Kabushiki Kaisha Apparatus for measuring the refraction of eye
JPS63125235A (ja) * 1986-11-15 1988-05-28 キヤノン株式会社 眼屈折計
JPH0197435A (ja) * 1987-10-09 1989-04-14 Canon Inc 眼屈折計
JPH07265267A (ja) * 1995-01-30 1995-10-17 Canon Inc 眼測定装置

Also Published As

Publication number Publication date
JPS6153053B2 (enrdf_load_stackoverflow) 1986-11-15

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