US$ 19.95
2 m (20/200 to 20/8 equivalent)
Measures systolic
All pieces are laminated for durability
The Sloan optotypes were developed on the same basis as Snellen optotypes
ADA approved
10 ft: SLOAN (13 Line) Chart Housebrand 2 m (20/200 to 20/8(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$ 19.95
US$ 19.95
US$ 19.95
US$ 44.00
US$ 19.95
US$ 19.95