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The Panel 16 Color Vision Test includes 16 test caps and 17 restriction rings with one of the caps being a “pilot”. The diameter of the stimulus area is 1.3" (3.3 cm), and can be reduced by using dark gray restriction rings with an opening of 0.47" (1.2 cm) in diameter. Acrylic case... |
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"WHAT and HOW Does this Child See?" is a question that is asked each day by many professionals in early intervention and education about children with disabilities. This book attempts to help you structure your questions so that you can look for answers together with other members of your... |
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LED lights provides uniform illumination across the entire testing surface. Automatically adjusts to incoming power of 100 to 240 VAC. Easily store your charts in handy compartment on back of ESV1200.Compatible with all 9" x 14" Good-Lite charts but are not provided with this unit and... |
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The Leo Learns by Doing DVD is a helpful tool for anyone who interacts with a vision impaired child. Parents, caregivers, relatives, teachers, doctors, and any other person who would like to contribute to the connections with a vision impaired child will find this information valuable.... |
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Preschool Assessment of Stereopsis with a Smile (PASS) - Stereoacuity test for school assessment of stereopsis in children and non-readers. Includes: 4 Cards (480, 240, Demo, and Blank) with Carrying Case, 1 Pair Pediatric Polarized Viewers, and 1 Pair Intermediate Polarized Viewers.This... |
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All LED Insta-Line Quantum cabinets use light emitting diodes (LED) to provide uniform illumination for standardized testing. The increased efficiency of the bulbs and the rechargeable battery (included) permit testing in almost any location. Controlled by radio frequency (RF) wireless... |
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All LED Insta-Line Quantum cabinets use light emitting diodes (LED) to provide uniform illumination for standardized testing. The increased efficiency of the bulbs and the rechargeable battery (included) permit testing in almost any location. Controlled by radio frequency (RF) wireless... |
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A Resolving/Discrimination TestThis test at full contrast requires discrimination of the direction of long lines, which is a more demanding task than the detection acuity measured with Lea GRATINGS. The test gratings are presented to children and adults at different distances to determine... |
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This card combines a LEA SYMBOLS® line test on one side and a LEA NUMBERS® line test on the opposite side. Proportionally-spaced lines from sizes 20/400 to 20/10 (6/120 to 6/3) equivalent. Attached 16-inch (40cm) cord ensures proper assessment distance. Response key printed on test card.... |
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Adult Near Vision proportionally spaced acuity cards for the the Self Illuminated Viewer. This lit up display are individual cards which are available in the following optotypes; LEA SYMBOLS®, LEA NUMBERS®, Sloan Letters, Tumbling E and Amsler Grid. Line sizes range from 20/250 to 20/10 (... |