10 ft: SZN (11 Line) Chart
(9" x 14") Sloan optotype chart for vision testing at 10 feet. Features two smaller groups 10/20 to 10/8 for repetitive eyesight testing (20/40 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.
Shipping
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
100% Satisfaction Guarantee
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.