患儿何某某,男,10岁。因双眼视力下降2年伴眼前黑影半年就诊,曾在外院诊为“近视散光,弱视”,行穿针精细训练治疗弱视1年,视力无提高,于2005年7月到我院就诊。否认家族中有同类病史,父母非近亲婚配。眼部检查：视力右眼0．1,J7,左眼0．1,J7,。双眼眼前段无异常,屈光间质清晰,眼底镜下见,双侧视盘边界 He Moumou children, male, 10 years old. Due to decreased binocular vision for 2 years with the black shadow six months before treatment, has been diagnosed in the out-patient hospital as “myopic astigmatism, amblyopia,” line fine training for the treatment of amblyopia 1 year, no improvement of visual acuity, in July 2005 to our hospital. Denied the same family history, parents and non-relatives marriage. Eye examination: Right eye 0.1, J7, left eye 0.1, J7 ,. Anterior ocular anterior segment without abnormalities, refractive clear, fundus see, bilateral optic disc boundaries