Objective:Vision 2020 is launched in 1999,currently a lot of program is undergoing accompany with this program,so as to investigate the main cause of eye disease and blindness in Helinger County.

• 目的:视觉2020行动是于1999年发起的,目前与之相关的许多项目在进行中,为了配合这一行动,乃调查和林格尔县主要眼病和致盲原因。