The McKesson Eye Test Chart measures visual acuity and sharpness of vision. This option uses the letter “E” pointing in different directions (Tumbling E’s) to be identified. The McKesson Eye Test Chart also comes complete with an eye axis at the top to indicate the position of astigmatism in the eyes.
20 Ft. Test Distance Non-Reflective Matte Finish Size: 22 inch x 11 inch Wall mount design for convenient placement
