本世纪50年代,弱视的研究和治疗曾取得过较大的发展。瑞士的Bangerter,德国的Cuppers 及Satter 等提出的遮盖疗法(occlusion therapy),压抑疗法(Penalization)及后像疗法(Euthskop thera-py),使得无数弱视患者获得了正常的视力。然而不管使用上述哪一种方法,其共同存在的问题是康复后视力的退化、退步现象(De-terioration,Regression)。然而,弱视对视觉, 50 years of this century, the study and treatment of amblyopia has made great development. Bangerter in Switzerland, Cuppers and Satter in Germany, such as occlusion therapy, penalization and euthskop thera-py, make the normal vision of countless amblyopia patients. However, no matter which one of the above methods is used, the common problem is that after the rehabilitation, vision deterioration and regression (De-terioration, Regression). However, amblyopia affects vision,