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| Vision Screen 9000 | 
 enlarge | From: Institute for Disabilities Research and Training Inc
Category: Software
Buy New: $69.95
Sales Rank: 26175
Format: Cd-rom
Platforms: Windows Xp, Windows 98, Windows 2000
Media: CD-ROM
UPC: 551500550330
EAN: 0551500550330
ASIN: B000IZXAW2
Availability: Usually ships in 1-2 business days
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| Features:
| • | Detect visual dysfunction | | • | Far Acuity, Near Acuity, Depth Perception, Color vision, Macular Health, Eye Movement | | • | About 15 minutes to complete all the testing procedures. | | • | CD, red/green glasses, and a penlight. | | • | no special skills are required |
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| Editorial Reviews:
Product Description
Vision Screen 9000 screens for vision problems in the following areas: Far Acuity. This tests ability to recognize small objects at a distance. If this test is hard, you may need new glasses. You may have trouble seeing to drive. Near Acuity. This tests the ability to see small objects that are close to you. If this test is hard, you may need new glasses. You may be straining to read or do tasks like threading a needle. Students with near acuity problems often avoid reading and have poor writing skills. Depth Perception. This tests stereoscopic depth perception. Both eyes must send matching signals to your brain to do this test. If you can see with only one eye, you will not be able to do this test. Depth perception is important for driving, walking on steps and escalators, and many sports. If this test is hard, you do not use your two eyes together correctly. Color Vision. This tests ability to tell the difference between colors. Most color vision defects will not affect your sight or eye health. Changes in color vision can be an early sign of important changes in your eyes, and should always be reported to your eye doctor immediately. Color vision problems can cause confusion for young children. Always inform a child's teacher if the child has a color vision problem. Macular Health. The Amsler Grid Test is a simple test that can detect changes in the part of the retina with the sharpest sight, the macula. An eye doctor must check any problems found as soon as possible. Changes in the macular area may indicate eye disease and must be treated as soon as possible to minimize loss of sight. Eye Movement. Control of the muscles that move the eye is a fine motor skill. Good eye movements are important for many visual and perceptual skills. Good control of eye movements is very important for children learning to read.
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