Fig. 3From: Use of an ultra-clean air flow for surgical field asepsis when performing intravitreous injections in an ambulatory surgical environmentImages of culture medium plates provided by the Microbiology Laboratory of HCFMRP-USP after incubation at 37 °C for 24 h. Plate a blood agar, was positioned on the surgical table with ultraclean airflow directed at it. Plate b was positioned on the surgical table without receiving an ultraclean airflowBack to article page