HOTV Ophthometric Chart with Red/Geen Lines 10 Ft Non reflecting, matte finish eye Charts, Designed for Vision Testing at 10 Feet distance. Eye Chart measures 9 x 14 in.Plastic Washable Sheet. Includes RED/GREEN bars for easier screening of Colour Vision. Visual Acuity 20/100 to 20/6. Wall Hanging Whole for easy hanging.