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IMPORTANCE: Determine phacoemulsification cataract surgery risk in a Covid‐19 era. BACKGROUND: SARS‐CoV‐2 (Covid‐19) transmission via microdroplet and aerosol generating procedures present a risk to medical professionals. As the most common elective surgical procedure performed globally; determining contamination risk from phacoemulsification cataract surgery may guide personal protection equipment use. DESIGN: Pilot study involving phacoemulsification cataract surgery on enucleated porcine eyes by experienced ophthalmologists in an ophthalmic operating theatre. PARTICIPANTS: Two ophthalmic surgical teams. METHODS: Standardised phacoemulsification of porcine eyes by two ophthalmologists accompanied by an assistant. Fluorescein incorporated into phacoemulsification irrigation fluid identifying microdroplets and spatter. Contamination documented using a single‐lens reflex camera with a 532 nm narrow bandpass (fluorescein) filter, in‐conjunction with a wide‐field blue light and flat horizontal laser beam (wavelength 532 nm). Quantitative image analysis using Image‐J software. MAIN OUTCOME MEASURES: Microdroplet and spatter contamination from cataract phacoemulsification. RESULTS: With phacoemulsification instruments fully within the eye, spatter contamination was limited to <10 cm. Insertion and removal of the phacoemulsification needle and bimanual irrigation/aspiration, with irrigation active generated spatter on the surgeons\' gloves and gown extending to >16 cm below the neckline in surgeon 1 and > 5.5 cm below the neckline of surgeon 2. A small tear in the phacoemulsification irrigation sleeve, presented a worse‐case scenario the greatest spatter. No contamination above the surgeons\' neckline nor contamination of assistant occurred. CONCLUSIONS AND RELEVANCE: Cataract phacoemulsification generates microdroplets and spatter. Until further studies on SARS‐CoV‐2 transmission via microdroplets or aerosolisation of ocular fluid are reported, this pilot study only supports standard personal protective equipment.
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Microdroplet and spatter contamination during phacoemulsification cataract surgery in the era of COVID‐19
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