Tablitsa Sivtseva dlia issledovaniia ostroty zreniia

The Sivtsev table is the most common table used to test visual acuity. Developed by a Soviet ophthalmologist in 1925. Sivtsev's table is a standard set of printed signs to determine a person's visual acuity. Sivtsev's table consists of a combination of seven different letters of different sizes, but equal in width and height (12 lines and 3 additional ones).