Application effect of several anti-fogging methods on medical goggles in COVID-19 isolation ward/ 几种防雾方法在新冠隔离病房医用护目镜中的应用效果

Objective To explore the anti-fogging effect of several anti-fogging methods on medical goggles Methods Goggles were treated with four methods: anti- fogging spray (swimming goggle special use), iodophor smearing, hand sanitizer smearing, and detergent smearing, 10 pairs of goggles were treated with each anti-fogging method respectively, health care workers (HCWs) began to work in COVID-19 isolation ward after wearing treated goggles, fogging of goggles after 2, 4 and 6 hours of work was investigated, anti-fogging effect of four methods was compared Results Fogging status of four anti fogging methods in different periods was significantly different (all P<0 05) Anti- fogging spray method was not ideal, HCWs wore goggles for 2 hours and 7 pairs of goggles fogged, wore goggles for 6 hours and 10 pairs of goggles all fogged;iodophor smearing was slightly better, HCWs wore goggles for 2 hours and 2 pairs of goggles fogged, wore goggles for 6 hours and 7 pairs of goggles fogged;hand sanitizer and detergent smearing had better anti-fogging effect, HCWs wore goggles for 2 hours, no goggles fogged, wore goggles for 6 hours, 3 and 2 pairs of goggles fogged respectively Conclusion Hand sanitizer and detergent smearing can be used to prevent fogging of medical goggles