It is urgent that the doctor and staff dress in a new way with more coverage, KN95 or N95 masks and shields, etc., to reassure patients that your office will be a safe place for them.
Yes, you can get shields that allow for your loupes and light to be worn.
Do everything you can to minimize aerosols from treatment.
Have uniforms laundered in the office if at all possible.
Shoes worn in the office during treatment should be left in the office and not worn home.