No trauma history could be elicited.Ocular examinations revealed no pertinent findings, such as rubeosis irides, juvenile xanthogranuloma, or Herpes infections.

• 两例均无眼球外伤病史，且眼科学检查均无虹膜新生血管、幼年型黄色肉芽肿或者疱疹病毒感染等异常发现。