同型胱氨酸尿症系遗传性代谢障碍性疾病,可有晶体异位、惊厥或智力障碍等临床表现。患儿即因晶体异位来我院眼科要求手术后转儿科治疗。现报道于后,供临床参考。例1 田×、男、13岁、住院号348769,1982年9月22日入院。主诉:3岁时两眼视力仅0.3,不能矫正,拟马凡氏综合征伴晶体脱位,未作治疗。1982 Homocystinuria Department of hereditary metabolic disorders, may have ectopic, convulsions or mental retardation and other clinical manifestations. Children who are due to crystal ectopic ophthalmology to our hospital pediatric surgery after surgery. Now reported later, for clinical reference. Example 1 Tian ×, male, 13 years old, hospital number 348769, admitted on September 22, 1982. Chief complaint: 3 years old when the two eyesight is only 0.3, can not be corrected, the proposed Marfan syndrome with dislocation of the crystal, without treatment. 1982