A consultation on development of standards for characterization of vision loss and visual functioning was held at WHO headquarters in Geneva from September 4 to 5,2003,and modified the existing classification of vision loss and blindness.

• 2003年WHO在日内瓦召开了《视力损害及视功能特征标准进展的咨询会》,制定了新的盲及低视力分类标准。