20 ft: TZO (9 Line) Chart Rx Form Kindergarten - House

Kindergarten - House

This poster is a visual explanation of what asthma is and how it affects a person

A user-friendly

Singe-use containers

with a 9-second readout

20 ft: TZO (9 Line) Chart Rx Form Kindergarten - House(9" x 14") Snellen 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). Traditional Snellen optotypes have changed little throughout the years, are great for school vision screenings, and are used regularly today. These optotypes feature strong serifs in the letters C, D, E, F, L, O, P, T.