Specification Brand : Visionären BulletPoint1 : Graded circle test from 400 seconds now down to 20 seconds BulletPoint2 : No monocular clues with NEW technology BulletPoint3 : New improved booklet BulletPoint4 : Answer key on back cover BulletPoint5 : Includes both adult and pediatric polarized viewers Color : Grey ItemName : Fly Stereopsis Test with LEA Symbols with Polarized viewers ItemPackageQuantity : 1 ItemTypeKeyword : professional-medical-clinical-diagnostic-test-kits Manufacturer : Vision Assessment PartNumber : 1000 ProductDescription : Designed to rapidly test for amblyopia and strabismus using gross thru fine stereopsis (4800 to 20 seconds of arc). Graded circle test from 400 seconds now down to 20 seconds with no monocular clues. New improved booklet has answer key on back cover and includes polarized viewers. ProductSiteLaunchDate : 2015-02-11T08:00:00.000Z UnitCount : 1 UnspscCode : 46150000