10 ft: SLOAN (13 Line) Chart SC Clear plastic wrap-around face shield

Clear plastic wrap-around face shield provides protection for the face and eyes against pathogens

School Nurse Supply First Aid Kits put all your first aid supply needs in one place

Functions at up to a 45º angle

Provides results as fast as 1 second and is clinically accurate

10 ft: SLOAN (13 Line) Chart SC Clear plastic wrap-around face shield(9" x 14") Sloan optotype chart for vision testing at 10 feet. Letter size tests a range from 10 80 to 10 5. May be wall mounted or used with illuminated cabinets (66003, 66004, 66016, 66090). The Sloan optotypes were developed on the same basis as Snellen optotypes. Sloan optotypes do not use serifs however, but do use a logarithmic geometric progression.