CA1172478A - Objectif refracteur pour l'oeil - Google Patents

Objectif refracteur pour l'oeil

Info

Publication number
CA1172478A
CA1172478A CA000434247A CA434247A CA1172478A CA 1172478 A CA1172478 A CA 1172478A CA 000434247 A CA000434247 A CA 000434247A CA 434247 A CA434247 A CA 434247A CA 1172478 A CA1172478 A CA 1172478A
Authority
CA
Canada
Prior art keywords
light
eye
detector
lens
knife
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
CA000434247A
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 CA000389012A external-priority patent/CA1171706A/fr
Application filed by Humphrey Instruments Inc filed Critical Humphrey Instruments Inc
Priority to CA000434247A priority Critical patent/CA1172478A/fr
Application granted granted Critical
Publication of CA1172478A publication Critical patent/CA1172478A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Eye Examination Apparatus (AREA)
CA000434247A 1980-10-31 1983-08-09 Objectif refracteur pour l'oeil Expired CA1172478A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000434247A CA1172478A (fr) 1980-10-31 1983-08-09 Objectif refracteur pour l'oeil

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US20253680A 1980-10-31 1980-10-31
US202,536 1980-10-31
CA000389012A CA1171706A (fr) 1980-10-31 1981-10-29 Objectif refracteur pour l'oeil
CA000434247A CA1172478A (fr) 1980-10-31 1983-08-09 Objectif refracteur pour l'oeil

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA000434247A Division CA1172478A (fr) 1980-10-31 1983-08-09 Objectif refracteur pour l'oeil

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA000434247A Division CA1172478A (fr) 1980-10-31 1983-08-09 Objectif refracteur pour l'oeil

Publications (1)

Publication Number Publication Date
CA1172478A true CA1172478A (fr) 1984-08-14

Family

ID=27167159

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000434247A Expired CA1172478A (fr) 1980-10-31 1983-08-09 Objectif refracteur pour l'oeil

Country Status (1)

Country Link
CA (1) CA1172478A (fr)

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry