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| Company | Precision Vision® | Precision Vision® |
| Item | Pelli-Robson SLOAN Letter Contrast Chart | Complete Rabin Contrast Sensitivity Set |
| 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 | Test Includes CAT. NO. 2126 Rabin Contrast Sensitivity Test CAT. NO. 2147 Glare Filter CAT. NO. 2148 Low Photopic Filter CAT. NO. 914 Small Illuminator Cabinet CAT. NO. 915 Adjustable Base |
| 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
| - A new contrast sensitivity test comparable to the small letter contrast test
- Detects subtle effects of defocus, low luminance and glare
- 20/50 letter size at 4 meters (13 ft.)
- Log CS increases 0.25 steps per row (0.05 log CS/ letter)
- Includes soft-tipped pointer, recording forms and test instructions
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| Product Number | Pelli-Robson | 2120 |
| Get quote | Inquire | Inquire |