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全色盲是色觉障碍中最严重的一种。临床上颇少见,与血缘婚姻有重要关系。近年来我们遇到一家系因血缘婚姻致三子女全色盲。例1 任×红(先证者)女17岁昌乐县人自幼羞明、视物不清来我科。父母系近亲结婚,其母妊娠期间无任何疾病,无致畸药物服用史。家族无此病史。体格检查:神志清,精神好,羞明貌。五官端正,心肺正常,肝脾无肿大,四肢活动好。神经系统检查无阳性发现。眼科检查:视力右0.04,左0.04,不能矫正。用俞自萍色盲检查图检查为全色盲。周边视野轻度缩小,有中心性暗点。眼球水平震颤,无斜视。角
Panchromatic blindness is one of the most serious color vision disorders. Clinically rare, and blood marriages have an important relationship. In recent years, we encountered a family due to blood marriage caused by full color blindness of three children. Example 1 Ren × red (proband) Female 17-year-old Changle County since childhood shame, depending on the material unclear to my department. Parents are married relatives, their mothers during pregnancy without any disease, no history of teratogenic medication. Family no such history. Physical examination: conscious, good spirit, shameful appearance. Good facial features, normal heart and lung, liver and spleen without swelling, limbs and good activities. No positive neurological examination found. Eye examination: visual acuity 0.04, left 0.04, can not be corrected. With Yu Zi Ping color blind check chart examination for full color blindness. Slightly reduced the surrounding vision, there are central dark spots. Eye tremor level, no strabismus. angle