Specification Brand : Bawsh BulletPoint : Optometry Vision Analysis Record BulletPoint1 : Designed for vision testing at 20 foot distance BulletPoint2 : Non-reflecting, matte finish eye charts BulletPoint3 : Eye chart measures 22 x 11 in. BulletPoint4 : ♥[Perfect teaching and education]: Use different colors to distinguish different positions, the colors are bright and easy to attract the attention of students, so that you can demonstrate teaching, so as to promote students' understanding and increase classroom teaching effects BulletPoint5 : ♥[Various uses]: It can be used in schools and hospitals, and can be used as a visual aid for teaching physical health knowledge to deepen the understanding of human eye structure. It can also be used as school teaching aids, educational displays and collections, and can also be used as an important supplement to laboratory supplies. ExternallyAssignedProductIdentifier : 8906121590111 GpsrSafetyAttestation : 1 ItemName : Illiterate Landolt "E" Chart with Red and Green Bar 20 Feet Size 22 x 11 Inch's ItemPackageDimensions_Height : 55.88 centimeters ItemPackageDimensions_Length : 0.0254 centimeters ItemPackageDimensions_Width : 29.21 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : therapeutic-eye-charts Manufacturer : KSIPL ModelNumber : 220058 PartNumber : 220058 ProductDescription : The Astigmatic / Illiterate Letter E Visual Acuity Chart measures 11" wide x 24" long and is designed to be read at a distance of 20 feet. This Astigmatic/E Chart has a rating of direct: 20/200 to 20/10 (lines also noted in meters). The 180 degree astigmatic clock at the top of the chart is useful in screening for astigmatism. This classic letter eye chart is made of extra strong, non-reflecting, matte finish cardboard, with a brass eyelet for wall mounting. Red and green bars not only serve as a patient reference point during acuity testing, but also hint as to a patient's color perception. ProductSiteLaunchDate : 2014-11-09T08:00:00.000Z Size : 22 x 11 Style : Modern SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 60101700