Snellen eye chart

Snellen eye chart from Cascadilla Press

This classic eye chart was developed by Herman Snellen in 1862, and is often referred to as the Snellen eye chart. Each of the nine letters (also called optotypes) has uniformly thick lines and gaps, and each has a total height and width five times the line thickness.

Buy the Snellen eye chart on CafePress

11"x17" poster	Organic kids' T-shirt	Kids' T-shirt	Kids' sweatshirt

BBQ apron	Organic men's T-shirt	Men's T-shirt	Men's sweatshirt

Tote bag	Organic women's T-shirt	Women's T-shirt

All traditional eye charts from Cascadilla Press

Snellen eye chart

Mirror image eye chart

Tumbling E eye chart

Landolt C eye chart

All Cascadilla Press eye charts

See our full range of eye charts: traditional eye charts, eye charts in non-Roman alphabets, decorative eye charts, eye charts with abstract symbols, and spoof eye charts.