You wear this and either a surgical mask or an FFP3 mask. This stops stuff going into your eyes. You must not ignore the ocular route. https://www.thelancet.co

You wear this and either a surgical mask or an FFP3 mask. This stops stuff going into your eyes. You must not ignore the ocular route. https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)30313-5/fulltext https://www.thelancet.com/journals/lancet/article/PIIS0140-6... This will me more useful to healthcare professionals (or family carers) working in close proximity to patients (or family) who may have covid-19, especially if those patients are coughing or the HCPs are performing AGP - aerosol generating procedures.