ES249060U - Lente oftalmica con potencia focal progresivamente variable - Google Patents

Lente oftalmica con potencia focal progresivamente variable

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Publication number
ES249060U
ES249060U ES1980249060U ES249060U ES249060U ES 249060 U ES249060 U ES 249060U ES 1980249060 U ES1980249060 U ES 1980249060U ES 249060 U ES249060 U ES 249060U ES 249060 U ES249060 U ES 249060U
Authority
ES
Spain
Prior art keywords
translation
power
machine
legally binding
google translate
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
ES1980249060U
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English (en)
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ES249060Y (es
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.)
BBRG SA
Original Assignee
BBRG SA
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 BBRG SA filed Critical BBRG SA
Priority to ES1980249060U priority Critical patent/ES249060Y/es
Publication of ES249060U publication Critical patent/ES249060U/es
Application granted granted Critical
Publication of ES249060Y publication Critical patent/ES249060Y/es
Expired legal-status Critical Current

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Abstract

Lente oftálmica con potencia focal progresivamente variable, del tipo de las que incluyen un plano de simetría vertical que contiene la curva meridiana, caracterizada en que comprende: una zona superior de potencia P1 sensiblemente constante; una zona inferior de potencia P2 sensiblemente constante y superior a P1; una zona intermedia situada entre la zona superior y la zona inferior y cuya potencia varía de manera continua a lo largo de la curva meridiana desde el valor P1 hasta el valor P2, extendiéndose lateralmente estas zonas superior, intermedia e inferior, de manera simétrica con relación a la curva meridiana; dos zonas de transición que presentan un astigmatismo del tipo de orientación variable, a uno y otro lado de las zonas intermedia e inferior; y entre la zona superior y las zonas de transición dos zonas laterales de conexión cuyos ejes principales de astigmatismo están, en cualquier punto, situados respectivamente en planos verticales y horizontales.
ES1980249060U 1980-03-04 1980-03-04 Lente oftalmica con potencia focal progresivamente variable Expired ES249060Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1980249060U ES249060Y (es) 1980-03-04 1980-03-04 Lente oftalmica con potencia focal progresivamente variable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1980249060U ES249060Y (es) 1980-03-04 1980-03-04 Lente oftalmica con potencia focal progresivamente variable

Publications (2)

Publication Number Publication Date
ES249060U true ES249060U (es) 1981-01-16
ES249060Y ES249060Y (es) 1982-10-16

Family

ID=8407532

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1980249060U Expired ES249060Y (es) 1980-03-04 1980-03-04 Lente oftalmica con potencia focal progresivamente variable

Country Status (1)

Country Link
ES (1) ES249060Y (es)

Also Published As

Publication number Publication date
ES249060Y (es) 1982-10-16

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