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| Company | Precision Vision® | Precision Vision® | Precision Vision® | Precision Vision® | Precision Vision® |
| Item | Complete Rabin Contrast Sensitivity Set | Colenbrander Reading, Intermediate and Computer Chart (2 card set) | Low Contrast and Mixed Contrast Eye Charts | Mars Letter Contrast Sensitivity Test | SLOAN Low Contrast Flip Book |
| Price | Inquire | Inquire | Inquire | Inquire | Inquire |
| Description | 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 | Designed by: Dr. August Colenbrander Conventional, high-contrast letter chart acuity captures only one aspect of visual performance. Low contrast acuity is equally important for activities of daily living, since most everyday objects have less than | Precision Vision offers a variety of Low Contrast and Mixed Contrast Eye Charts for testing Contrast Sensitivity. Notations for testing at Near Vision, 1 meter, 2 meters, 2.5 meters, 3 meters, 4 meters and Multi-distance. Products range from Flip | Uses - Establishing baseline contrast sensitivity prior to and after an intervention(such as cataract extraction, LASIK, or other refractive surgery)
- Identifying functional losses in low contrast perception (often associated with
| 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 | - 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
| - Calibrated for 40 cm (16 in), 63 cm (25 in), 100 cm (40 in)
- Measures 8.5" x 11"
- Includes complete instructions and recording sheet
- Uses 10% calibrated Contrast Sensitivity level with Acuity
| Inquire | - Three charts, for the left eye, right eye and binocular testing, or for repeated testing without letter sequence memorization
- Rapid administration, with easy, accurate scoring
- Easy to store and protect
- Easy to illuminate (e.g., with instrument stand lamp)
- Each chart mounted on durable plastic
- Designed for near testing (40 or 50 cm)
- Low cost
| - 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 | 2120 | 4070 | Inquire | 5015 | 2191 |
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