PROCÉDÉ DE MODIFICATION DE LA PERFORMANCE VISUELLE D'UN SUJET, PROCÉDÉ PERMETTANT DE MESURER LE BESOIN DE CORRECTION DE RÉFRACTION SPHÉRIQUE D'UN SUJET ET SYSTÈME OPTIQUE POUR L'APPLICATION DE CES PROCÉDÉS
ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
发明人:
申请号：
EP18305195.2
公开号：
EP3530174A1
申请日:
2018.02.23
申请国别(地区):
EP
年份:
2019
代理人:
摘要：
The invention relates to a method for altering the visual performance of a subject using an optical system arranged in front of at least one eye of the subject, and comprising:b) determining an optotype；c) displaying the optotype to the subject in such a way that it is visible by the subject through said optical system；d) assessing the visual performance of the subject viewing the optotype through the optical system； ande) adding a positive or negative altering value of spherical optical power to the optical system.According to the invention, the method comprises, before step b):a) choosing a target value of visual performance； and- at steps c) and e), said size of the optotype and said altering value are determined as functions of said target value.
