急性多发性视网膜色素上皮鳞状病变(Acute Posterior multifocal Placoid Pig- ment epitheliopathy)1968年首先由Gass报告并述有如下特征:位于视网膜色素上皮或脉络膜部有多数的,散在的黄白色圆形病灶,多发于眼底后极部;伴有中心视力的急骤下降。此类活动性病灶可以很快吸收,在视网膜色素上皮留有永久性的变化。但其邻近的视网膜和脉络膜几乎没有影响而治癒;视力预后良好;原因不明,认 Acute Posterior Multifocal Placoid Pigment Epitheliopathy was first reported by Gass in 1968 with the following features: a majority of scattered yellow-white circular lesions located in the retinal pigment epithelium or choroid, Occur in the fundus posterior pole; accompanied by a sharp decline in central vision. Such active lesions can be quickly absorbed, leaving a permanent change in the retinal pigment epithelium. But its adjacent retina and choroid almost no effect and cure; vision prognosis is good; unknown reason, that