Global Patent Index - EP 2223181 A2

EP 2223181 A2 20100901 - PROGRESSIVE LENS FOR OPHTHALMIC SPECTACLES, HAVING AN ADDITIONAL ZONE FOR INTERMEDIATE VISION

Title (en)

PROGRESSIVE LENS FOR OPHTHALMIC SPECTACLES, HAVING AN ADDITIONAL ZONE FOR INTERMEDIATE VISION

Title (de)

GLEITSICHTGLAS FÜR BRILLE MIT ZUSÄTZLICHEM BEREICH FÜR ZWISCHENSICHT

Title (fr)

LENTILLE PROGRESSIVE DE LUNETTES OPHTALMIQUES AYANT UNE ZONE SUPPLEMENTAIRE DE VISION INTERMEDIAIRE

Publication

EP 2223181 A2 20100901 (FR)

Application

EP 08862414 A 20081203

Priority

  • FR 2008052195 W 20081203
  • FR 0708499 A 20071205

Abstract (en)

[origin: WO2009077708A2] A progressive lens for ophthalmic spectacles has an additional zone for intermediate vision. This additional zone is located beneath a near-vision zone. It enables objects located at a distance of between 1.0 and 1.5 meters, in a direction inclined at about 35 degrees to a line of sight passing through a cross mark (CM) on the lens, to be seen clearly. To achieve this, the optical power progression between a far-vision point (FV) and a near-vision point (NV) of said lens has a power-increase threshold which is located approximately at the cross mark.

IPC 8 full level

G02C 7/06 (2006.01); G02C 7/02 (2006.01)

CPC (source: EP US)

G02C 7/061 (2013.01 - EP US); G02C 7/065 (2013.01 - EP US)

Citation (search report)

See references of WO 2009077708A2

Citation (examination)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA MK RS

DOCDB simple family (publication)

FR 2924824 A1 20090612; FR 2924824 B1 20100326; EP 2223181 A2 20100901; JP 2011507010 A 20110303; JP 5535933 B2 20140702; US 2010283963 A1 20101111; US 8061838 B2 20111122; WO 2009077708 A2 20090625; WO 2009077708 A3 20090827

DOCDB simple family (application)

FR 0708499 A 20071205; EP 08862414 A 20081203; FR 2008052195 W 20081203; JP 2010536515 A 20081203; US 74619008 A 20081203