马凡(Marfan)氏综合征系先天性中胚层营养不良所致的遗传性疾病。临床时征为肢体细长,内脏病变和眼部变化等全身中胚叶组织广泛发育不良。眼部变化中以晶体脱位或不全脱位为最常见,故又称“晶体移位蜘蛛指综合征”。最近我们发现本病1例,双眼伴有视网膜脱离及大角膜畸形,而无晶体形态及位置的改变,特报告于下: Marfan syndrome is a genetic disease caused by malnutrition in congenital mesoderm. Clinical sign for the limbs slender, visceral lesions and changes in the eyes of the general mesodermal tissue widespread dysplasia. Ocular changes to dislocation or dislocation of the crystal is the most common, it is also known as “crystal shift spider fingers syndrome.” Recently, we found that 1 case of this disease, his eyes accompanied by retinal detachment and large corneal deformity, and no changes in crystal morphology and location, especially reported in the next: