HOT ! Flip Book: LEA SYMBOLS® & LEA NUMBERS® - Pediatric Near Vision Low Contrast Book (16\"/40cm)

Pediatric Near Contrast Test Booklet with Contrast sensitivity levels of full Contrast (100%), 25%, 10%, 5%, 2.5% and 1.25% proportionally spaced (LogMAR) lines ranging from 20/400 to 20/16 using Michelson measures. One side of each page provides LEA SYMBOLS for testing of 3 to 5 year olds. The reverse side shows LEA NUMBERS for testing 5 to 8 year olds. Near Contrast testing provides an efficient means to detect or track ocular pathologies, including glaucoma, ARMD, diabetic retinopathy, cataract, and keratoconus. Low Contrast acuity loss measurement can used to demonstrate progress in disease treatment and help children’s parents understand the need for continued support.

This new Pediatric test is comparable to the unavailable adult Holladay Functional Acuity Contrast Test (F.A.C.T.™). It is also complementary with the Adult Near Contrast Test. This Pediatric test is used at near (16 inches or 40 cm) which makes it much more likely to hold the attention of young patients. Administration is quicker than re-positioning a patient to use a distance Contrast test. Since both full Contrast and other Contrast levels are presented under the same conditions, the illumination is identical. This permits accurate comparison of the results at the various Contrast levels.

Included is a scorecard and comprehensive instructions are also provided to support the plotting of a graph with the results from your child patients indicating the relationship of visual acuity and Contrast sensitivity. Normal ratios are also indicated to permit comparison. The booklet is printed on high-quality styrene plastic for long term durability.