| Description | Tumbling "E" charts, also known as Illiterate "E" charts, feature the use of only one optotype. This makes testing illiterate and mute patients easier. The patient only has to gesture the direction they see the "E" facing. Also the design of the "E" | Most acuity vision charts have the patient identify single letters in a line. Continuous text chart are designed to simulate everyday reading tasks for patients by using actual sentences. These sentences are calibrated to have a specific number of | Continuous text charts focus on several areas of vision. These text charts help to simulate everyday activities that patients may encounter, such as reading the newspaper. Each card features proportionally spaced sentences that help to simulate | - Measures 12 x 18 in
- White letters on black background
- Includes tables, procedures and instructions
- Funded by the NIH
- Increments range from 1.3 LogMar (20/400) to -0.5 Log Mar (20/6.3)
- Increments listed in 0.1 LogMar steps
- Viewing
| The Radner Charts are available in English, Spanish, Dutch, Swedish, Hungarian and German. A French and Portuguese version is under development. The Radner reading chart is a highly standardized multilingual reading test system that was |