视疲劳(Asthenopia)流行病学概况国外概况 近年来,人群中视疲劳患者有逐渐增多趋势。虽然尚无准确的流行病学调查数据,但已有大量的相关报道 Matsuoka1对407名志愿者做眼科检查,结果有74人诉视疲劳 Eichenbaun2报道,在进行常规眼科检查的受试者中,有1015的人诉有与计算机工作有关的头痛和视疲劳 Nakaishi3对722名VDT操作者做调查后,发现其中242人诉视疲劳1 MutsuokaY,NakamuraY,KobatakaT.EffecticemedicalexaminationofVDTworkersusinganewtestingmethodofocularalignmentJ.JMedSyst,1998,22:6368.2 EichenbaumJW.ComputersandeyestrainJ.JOphthalmolNursTechnol,1996,15:2326.3 NakaishiH,YamadaY.Abnormalteardynamicsandsymptomsofeye-straininoperatorsofvisualdisplaytermi