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目的探讨对不明原因,视力低于正常的儿童眼进行鉴别诊断的可靠办法,即图形视觉诱发电位的应用效果。方法使用国产上海康迪图形VEP检测仪对不明原因,但视力低下的3~6岁儿童进行P-VEP检查分析.对结果正常者每半月定期随诊观察。异常者再次进行眼科各项重复检查及会诊务求确诊。结果 VEP检查正常者,经定期随诊观察并嘱训练其注视及视力表检查,2个月后复查视力达正常者23例,4个月后达正常这32例,6个月正常这36例。余1例3岁儿童1 a后亦正常。1例双眼异常者经复诊,详查为隐性眼震所致弱视。结论 P-VEP检查是对弱视、不明原因视力低于正常的儿童及较幼小患儿视功能进行鉴别诊断的可靠办法。
Objective To explore a reliable method for the differential diagnosis of children with unexplained causes and visual acuity lower than normal, which is the application effect of graphic visual evoked potentials. Methods P-VEP was used to detect P-VEP in children aged 3 ~ 6 years old who had no known reason but low visual acuity in Shanghai Conti Graphic VEP Detector. Unconscious person repeated the ophthalmology repeated examination and consultation for diagnosis. Results VEP examination was normal, by regular follow-up observation and instructed to train their fixation and eye chart examination, 2 months after the review of visual acuity were normal in 23 cases, 4 months after the normal 32 cases, 6 months of normal 36 cases . 1 case of 3-year-old children after 1 a normal. One case of binocular anomalies by referral, detailed investigation of latent amblyopia caused by nystagmus. Conclusion P-VEP examination is a reliable method for the differential diagnosis of visual function in children with amblyopia, unexplained visual acuity and younger children.