Description | Adult Near-Contrast Test Booklet provides contrast sensitivity levels of 100, 25, 10, 5 and 2.5 percent using Michelson measures. These are printed on high-quality styrene plastic for long term durability. Each contrast level has ETDRS style letters | Richmond Products has developed a new Pediatric Near Contrast Test Booklet with contrast sensitivity levels of full contrast (100%), 25, 10, 5, 2.5 and 1.25 percent using Michelson measures. One side of each page provides Lea Symbols™ for testing of |
Features | - Contrast Levels 100%, 25%, 10%, 5%, 2.5%
- Both ETDRS Letters and Continuous Reading Examples
- 20/400 to 20/10 in 17 increments
- Shows Snellen in Feet/ Meters, LogMAR, Decimal and Letter Size
- Pages tabbed at each contrast level
- Includes Instructions, Score Card and Recording Form
| - Provides both Lea Symbols™ and Lea Numbers™
- Contrast Levels 100%, 25%, 10%, 5%, 2.5% and 1.25%
- To simplify presentation, over-lay template can hide optotypes sizes
- Full contrast shows 20/400 to 20/10 in 17 increments, other levels show 15 levels
- Shows Optotypes in Snellen Feet and Meters, LogMAR, Decimal and Letter Size
- Pages tabbed at each contrast level. Instructions, Score and Recording Forms
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