CA1170877A - Methode et appareil pour analyser la forme de la cornee - Google Patents

Methode et appareil pour analyser la forme de la cornee

Info

Publication number
CA1170877A
CA1170877A CA000422834A CA422834A CA1170877A CA 1170877 A CA1170877 A CA 1170877A CA 000422834 A CA000422834 A CA 000422834A CA 422834 A CA422834 A CA 422834A CA 1170877 A CA1170877 A CA 1170877A
Authority
CA
Canada
Prior art keywords
eye
corneal
light
cornea
light sources
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
CA000422834A
Other languages
English (en)
Inventor
William E. Humphrey
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.)
Humphrey Instruments Inc
Original Assignee
Humphrey Instruments 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
Priority claimed from US06/158,849 external-priority patent/US4407572A/en
Priority claimed from US05/163,663 external-priority patent/US4420228A/en
Application filed by Humphrey Instruments Inc filed Critical Humphrey Instruments Inc
Priority to CA000422834A priority Critical patent/CA1170877A/fr
Application granted granted Critical
Publication of CA1170877A publication Critical patent/CA1170877A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Eye Examination Apparatus (AREA)
CA000422834A 1980-06-12 1983-03-03 Methode et appareil pour analyser la forme de la cornee Expired CA1170877A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000422834A CA1170877A (fr) 1980-06-12 1983-03-03 Methode et appareil pour analyser la forme de la cornee

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US06/158,849 US4407572A (en) 1980-06-12 1980-06-12 Keratometer
US158,849 1980-06-12
US163,663 1980-06-27
US05/163,663 US4420228A (en) 1980-06-12 1980-06-27 Method and apparatus for analysis of corneal shape
CA000379198A CA1154988A (fr) 1980-06-12 1981-06-08 Methode et appareil pour l'analyse de la forme de la cornee
CA000422834A CA1170877A (fr) 1980-06-12 1983-03-03 Methode et appareil pour analyser la forme de la cornee

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA000379198A Division CA1154988A (fr) 1980-06-12 1981-06-08 Methode et appareil pour l'analyse de la forme de la cornee

Publications (1)

Publication Number Publication Date
CA1170877A true CA1170877A (fr) 1984-07-17

Family

ID=27426308

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000422834A Expired CA1170877A (fr) 1980-06-12 1983-03-03 Methode et appareil pour analyser la forme de la cornee

Country Status (1)

Country Link
CA (1) CA1170877A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116269187A (zh) * 2023-05-18 2023-06-23 汕头大学·香港中文大学联合汕头国际眼科中心 一种屈光手术后角膜有效光学区的自动测量方法及系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116269187A (zh) * 2023-05-18 2023-06-23 汕头大学·香港中文大学联合汕头国际眼科中心 一种屈光手术后角膜有效光学区的自动测量方法及系统

Similar Documents

Publication Publication Date Title
CA1154988A (fr) Methode et appareil pour l'analyse de la forme de la cornee
US5953100A (en) Multi-camera corneal analysis system
US6213605B1 (en) Method of corneal analysis using a checkered placido apparatus
US6193371B1 (en) Keratometer/pachymeter
US6450641B2 (en) Method of corneal analysis using a checkered placido apparatus
US5870167A (en) Apparatus and method for imaging anterior structures of the eye
US6655805B2 (en) Ophthalmic apparatus
US5106183A (en) Topography measuring apparatus
US4998819A (en) Topography measuring apparatus
EP0397962A1 (fr) Appareil destiné à la mesure topographique
EP0317768A1 (fr) Appareil pour des mesures de topographie
EP1138252B1 (fr) Appareil ophtalmique pour la mesure et l'analyse de la repartition de puissance refractive
US4407572A (en) Keratometer
JP3916335B2 (ja) 角膜切除量決定装置及び角膜手術装置
JP3693493B2 (ja) 眼科装置
JP3387500B2 (ja) 市松模様のプラシード装置
CA1170877A (fr) Methode et appareil pour analyser la forme de la cornee
CN116172507A (zh) 一种眼部动作捕捉及泪膜检测系统及设备
CA1170878A (fr) Methode et appareil pour analyser la forme de la cornee
JP2003111728A (ja) 前眼部測定装置

Legal Events

Date Code Title Description
MKEX Expiry