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| Company | Precision Vision® | Precision Vision® |
| Item | Pelli-Robson SLOAN Letter Contrast Chart | SLOAN Low Contrast Flip Book |
| Price | Inquire | Inquire |
| Description | Designed by DG Pelli, JG Robson and A J Wilkins, because they see contrast sensitivity as a realistic assessment of how well the patient sees large faint objects. The chart follows the luminance, font, and letter spacing recommendations of the | Contrast sensitivity vision test includes a legend card for easier recordings. Also, eye test features five levels of contrast for more precise diagnosis of contrast vision. Chart also uses Sloan optotypes that are highly reliable and repeatable. |
| Features | - Features Traditional Sloan Optotypes
- For use at 40 in (1m)
- Includes two charts and two scoring pads
- Illumination of 85 cd/m² is key to good results
| - Multi-distance testing
- Contains five pages of optotypes of 9.5M size
- 5 Sloan letters Contrast varies by page: 25%, 10%, 5%, 2.5%, and 1.2%
- Two versions available for repetitive testing (version 2 CAT. NO. 2192)
- Test includes a soft-tipped pointer, legend card, recording forms (CAT. NO. 2514) and test instructions
- Measures 23 X 8.25 cm (9 X 3.25 in.)
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| Product Number | Pelli-Robson | 2191 |
| Get quote | Inquire | Inquire |