20 ft: COH (10 Line) Chart SC (16" x 21") Laminated

(16" x 21") Laminated

Appropriate for ages 6-12

A child who isn't following the rules is a child who’s always in trouble

This LED penlight makes everyday tasks in a nurse’s office easier

(5 Packings per Box) NasalCEASE is a Calcium Alginate natural biopolymer where the coagulant is immediately released upon contact with blood

20 ft: COH (10 Line) Chart SC (16" x 21") Laminated(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.