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| Company | Precision Vision® | Precision Vision® | Precision Vision® | Precision Vision® | Precision Vision® |
| Item | Low Contrast and Mixed Contrast Eye Charts | Mars Letter Contrast Sensitivity Test | Multi-Contrast Sloan Letter Flip Book | SLOAN Low Contrast Flip Book | Tumbling "E" Low Contrast Flip Book |
| Price | Inquire | Inquire | Inquire | Inquire | Inquire |
| Description | 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
| This flip book is the smaller version of the Cat. No. 2125. Cat. No. 2180 includes three levels of contrast sensitivity; Acuity, 2.5% and 1.25%. This contrast flip book is great for the use in clinical trials and research studies. It is printed on | 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. | This flip book is great for vision studies and research world wide. The Tumbling "E" vision chart uses only one optotype for testing. Patients not familiar with the Roman alphabet simply have to gesture or sign which direction they see the "E" facing |
| Features | 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
| - For testing at 2 meters (6.5 ft.)
- Each page it's own contrast level at 100%, 2.5% and 1.25%
- Acuity range 20M to 1.6M
- Includes test instructions, recording forms (Cat. No. 2514) and soft-tipped pointer
- Measures 13.5 X 14 in.
| - 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.)
| - For testing at 2 meters (6.5 ft.)
- Each page it's own contrast level at 100%, 2.5% and 1.25%
- Acuity range 20M to 1.6M
- Includes test instructions, recording forms (Cat. No. 2514) and soft-tipped pointer
- Measures 13.5 X 14 in.
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| Product Number | Inquire | 5015 | 2180 | 2191 | 2380 |
| Get quote | Inquire | Inquire | Inquire | Inquire | Inquire |