Specification Brand : KASHSURG BulletPoint1 : individuals with color vision defect should see a different figure from individuals with normal color vision. BulletPoint2 : Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green BulletPoint3 : Diagnostic plates: intended to determine the type of color vision defect BulletPoint4 : Ishihara Test Chart Books for Color Deficiency 24 Plates with usar manual BulletPoint5 : Pack of 7 Color : Multi ItemDisplayDimensions_Length : 18.9 centimeters ItemDisplayWeight : 0.49 pounds ItemName : KASHSURG Ishihara Colour Vision Test Book for Color Deficiency__(24 Plates with User Manual Pack of 7) ItemPackageDimensions_Height : 1.97 inches ItemPackageDimensions_Length : 16.14 inches ItemPackageDimensions_Width : 2.56 inches ItemTypeKeyword : therapeutic-eye-charts Manufacturer : KASHSURG Material : Terylene cotton, wood ModelName : N-129_Pack of 7 ModelNumber : N-129_Pack of 7 NumberOfItems : 7 NumberOfLithiumMetalCells : 1 PackageLevel : unit PartNumber : N-129_Pack of 7 ProductDescription : KASHSURG Ishihara Colour Vision Test Book for Color Deficiency __24 Plates with User ManualPack of 7 ProductSiteLaunchDate : 2024-09-04T11:26:12.005Z Size : Pack of 7 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 7