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2021-03-15
School of Medicine, University of California, San Diego, La Jolla, California, USA.; School of Medicine, University of California, San Diego, La Jolla, California, USA.; Simulation Training Center, University of California, San Diego, La Jolla, California, USA.; Department of NanoEngineering, University of California, San Diego, La Jolla, California, USA.; Department of NanoEngineering, University of California, San Diego, La Jolla, California, USA.; Viterbi Family Department of Ophthalmology, Shiley Eye Institute, University of California, San Diego, La Jolla, California, USA. Electronic address: dlchao@ucsd.edu.
PURPOSE: The global COVID-19 pandemic has resulted in a renewed focus on the importance of personal protective equipment (PPE) and other interventions to decrease spread of infectious diseases. Although several ophthalmology organizations have released guidance on appropriate PPE for surgical procedures and ophthalmology clinics, there is limited experimental evidence that demonstrates the efficacy of various interventions that have been suggested. In this study, we evaluated high-risk aspects of the slit-lamp exam and the effect of various PPE interventions, specifically the use of a surgical mask and a slit-lamp shield. DESIGN: Experimental simulation study. METHODS: This was a single-center study in a patient simulation population. This study examined the presence of particles in the air near or on a slit-lamp, a simulated slit-lamp examiner, or a simulated patient using a fluorescent surrogate of respiratory droplets. RESULTS: Simulated coughing without a mask or slit-lamp shield