US$ 18.00
Compare to active ingredient of Advil
and a 5-year limited manufacturer warranty
This kit encourages and emphasizes the importance of 60 minutes of daily physical activity each day while promoting healthy food choices
The Sloan optotypes were developed on the same basis as Snellen optotypes
2 m (20/200 to 20/8 equivalent)
10 ft: SLOAN (13 Line) Chart Housebrand Compare to active ingredient of(9" x 14") Sloan optotype chart for vision testing at 10 feet. Letter size tests a range from 10 80 to 10 5. 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.
US$ 18.00
US$ 18.00
US$ 13.00