10 ft: KCRHN (9 Line) Chart Rx Form improves the quality of care

improves the quality of care by accurately identifying eye problems and understands if a child needs glasses to correct myopia or hyperopia

The Li-ion battery provides 30 hours of continuous use when charged for 24 hours

White - 12” x 12” (12 Washcloths per Package) These washcloths are great to keep in a school clinic

This unit allows for testing pure tone audiometry in a wide range of settings such as standard threshold testing or a sweep test with user defined output levels for testing children

Useful for testing preliterate children from ages 3-5 years old

10 ft: KCRHN (9 Line) Chart Rx Form improves the quality of care(9" x 14") Sloan optotype chart for vision testing at 10 feet. Features two smaller groups 10 25 to 20 8 for repetitive eyesight testing (20 50 to 20 16 equivalent). 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.