20 ft: TZO (9 Line) Chart Rx Form A user-friendly

A user-friendly

Kindergarten - House

accurate temperature measurements using its proprietary Peak Select System technology

with large dials for controlling frequency and decibel level and membrane covered buttons silent operation of tone and right/left ear selection

The Eko software works with iOS and Android devices

20 ft: TZO (9 Line) Chart Rx Form A user-friendly(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.