Specification Brand : Cosmid BulletPoint : Pack of 5 BulletPoint1 : 38 Plate Book with Instruction Manual and 1 eye Occluders ( Occluder provided is Same as in Image 2 ) BulletPoint2 : A simple and accurate method for discovering congenital color blindness and red-green blindness, each in two forms, complete and incomplete. BulletPoint3 : Includes four special plates for tests to determine the kind and degree of defect in color vision. BulletPoint4 : Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green. BulletPoint5 : Pack of 2 IncludedComponents : Guide rod ItemName : Cosmid Ishihara Test Chart Book for Color Deficiency 38 Plates with User Manual and One Eye OCCLUDER_154_Pack of 2 ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 56 centimeters ItemPackageDimensions_Width : 28 centimeters ItemTypeKeyword : therapeutic-eye-charts Manufacturer : Cosmid ModelName : CS-154_Pack of 2 ModelNumber : CS-154_Pack of 2 NumberOfBoxes : 1 NumberOfItems : 2 PackageLevel : unit PartNumber : CS-154_Pack of 2 ProductDescription : Cosmid Ishihara Test Chart Book for Color Deficiency 38 Plates Latest Edition with User Manual and One Eye OCCLUDER_154_Pack of 2 ProductSiteLaunchDate : 2024-09-19T14:08:47.235Z Size : Pack of 2 SupplierDeclaredDgHzRegulation : not_applicable TemperatureRating : Ambient: 15 to 25 C (59 to 77 F) UnitCount : 2 UnspscCode : 41111700