bed frames

learning domains

(4th Edition) Provides quick access to information that busy school nurses need to practice competently and efficiently

AHA guidelines last updated in March 2011

Jumbo backlit display

20 ft: COH (9 Line) Chart SNS Exclusive bed frames(9" x 14") Sloan optotype chart for vision testing at 20 feet. Features two smaller groups 20 25 to 20 12. 5 for repetitive eye testing. 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.