| Description | This kit consists of a ‘Matching Card’, three HRR symbol cards and instructions. Kit is intended to help prepare a child for subsequent HRR 4th Edition color testing. There are several ways to use the test. For the youngest patients, the parents can | Farnsworth D15 test is used to separate medium and strong color defect vs normal. Farnsworth D15 come in plexiglas boxes which permit the patient to select the sequence of chips. Then the box is closed and the selections can be read thru the bottom | Accepted by leading authorities as a simple and accurate method for discovering congenital color blindness of two type total color blindness and red/green blindness. This book is used for children and the illiterate. | New saturated disc test for detecting and grading acquired color deficiency. Requires only two minutes for quantitative estimation of saturation thresholds for bluish pigment colors. Highly sensitive to and specific for differences between normal and | Spanish HRR/Amsler combination with Spanish and English directions for both HRR and amsler tests plus occluding glasses. |