1例 Marfan 氏综合征,男性44岁,双眼视力进行性下降5年。指趾细长,中指长9cm,掌骨长10.5cm,大趾骨长6cm,右手呈鹰爪样畸形。视力右眼0.04,左眼0.06,睫毛稀疏,部分发白,双眼晶体核心、后囊、周边皮质不均匀混浊,晶 1 case of Marfan’s syndrome, male 44 years old, binocular vision decreased 5 years. Finger toe slender, middle finger long 9cm, metacarpal long 10.5cm, big toe bone length 6cm, right hand was eagle-like deformity. Visual right eye 0.04, left eye 0.06, sparse lashes, some white, crystal eyes, posterior capsule, uneven peripheral cortex, crystal